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PROCEEDINGS OF THE
MERCHANT MARINE COUNCIL
UNITED STATE
OAST GUARD
Vol. 5 J uly 1948 No. 7
•

ctivl tles ___________________
_~ ~
Proceedin9s 01 the
MERCHANT
MARINE
COUNCIL
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Public Law 544 approved May 21, GENERAL REGULATIONS nl"'INA110N Of APPROVALS fOR CERTAIN
1948. 33 U. S. C. 154. was passed by
Congress to bring within the a ppllea·
Uon of the Inland Rules certain waters
which aTC now under the Western
SAfETY VALVES
Rivets RuLes. Therefore It wiIJ be
necessary to make amendments to
certain sections In part 302 of tll.Je 33
of the Code of Federal Regulations to
redefine boundary lines In order to
bring some of the Mvers entering Into
the Gulf of Mexico within the appUca­
Uon o f the Inland Rules. Also it 100'111
be necessary to make amendments to
certain of the Pilot Rules of I nland
Waters appearing In part 3 12 10 order
to extend \.he waters on which these
Rules wlil be applicable on J a nuary 1.
1949. FUrther. It will be necessary
to amend the Pilot Rules for Western
Rivers appearing In part 332 In order
to Implement Public Law 544 , which
Includes a complete redraft of Navigation
Rules for the MISSissippi River
and Mobile River systems, A number
of the Pilot Rules wh.ich now appear
In part. 332 were incorporated Into the
new statute and In order to a void
repetition It 15 proposed to delete those
sections from the regulations,
LI CENSING Of .ADIO OffiCERS
Public Law ~25 approved May 12,
1948, provides for the licensing of
marine radio telegraph operators as
shlp radlo officers, It is proposed to
add a new subpart 10,13 to prOvide for
licensing of radio officers In order to
Implement the statute, T he new regulations
will prescribe requirements
which an applicant. for license as
radio officer must meet before obtain_
Ing a license,
OffiCERS ON VESSElS IN HAWAIIAN
WATERS
Amendments are proposed to be
made Imposing the same requirements
for obtaining licenses as masters,
mates, pilots or engineers on vessels
In HawaIIan waters as are required
for these officers on vessels In other
ocean and coastwise waters,
CITIZENSHIP REQUIREMENTS
It Is proposed to a mend l'egulntlons
to require that all applicants Cor licenses,
merchant mariner's documents,
and certificates of service shall
be required to produce evidence of
citizenship or nationality prior to
Issuance of such documents and
whether stich a ppllcant.s are allens or
citizens of the United Stales, Heretofore
where applicants could not
produce eVidence of citizenship or n a­
tionality a question mark was placed
alongside the space indicating the
place of birth and such appJlcants
were consldered to be aliens.
It 15 proposed to amend the marine
engineering regulations and material
s pecifications to clarify the requirements
for hydrostatic tests conducted
on refrigeration systems as well as to
specify temperature and pressure lImitations
In certain piping systems
rather than use the term "Class II
piping,"
Another proposal Is to t ransfer the
specifi cations for cork and balsa wood
life preservers from the various regulations
to Subchapter Q--Specificatlons,
These s pecifications are pri_
marily for manuJacturers. The re­
Quirements are being a lso revised and
brought up to date. In addition , certain
parts of the specification for
ka pok life pl'cservers are being revised
to allow alternate methods of
construction and use of COlored cloth,
For v, ssels over 16 feet in lengt.h
and propelled by outboard motors It
Is proposed to exempt the owners of
such vessels to SUbmit a builder's
statement when submitting proof of
ownership with their applications for
certificates of award of number for
an undocumented vessel.
It Is proposed to terminate certain
approvals of safety valves which do
not comply with the reVised marine
engineering regulations and material
specltlcatlons which became effective
on and after July I , 1948. Those
safety valves which are in use on
merchant vessels will be permitted to
be continued In service so long as they
are in ¥ood and serviceable condition,
AMENDMENTS 10 1HE REGULATIONS
The amendments to the regulations
which were recommended by t.be
Merchant Marine Council for adop_
tion at its sem iannual meeting held
on March 30 nnd 31, 1948 were a p­
proved by the Commandant and published
In the Federal Register of June
26th, 1948. These amendments will
be published In the Appendix of the
"Proceedings" for this Issue and In
subseqUen t Issues. Due to space lim_
itations It. Is not possible to publish
all amendments In this Issue of the
"Proceedings."
" BIG MAMA" , THE MISSISSIPPI'S " SHOVINGEST" BOAT
" B ig Mama." the world's biggest. and
most powerful river towboat, has been
kicking up a muddy spray along the
Mississippi River for 45 years. But
early this spring her pilot rang "stop
engines" fol' the last time. For " Big
Mama," foretelling Ule end of a colorful
era, gave way to new st.reamllned
Diesel boats and went Into retire_
ment
There was no other boat on t.he
river quite like " Big M am.a," as she
WB!! fondly nicknamed by the river
men who regarded her as the mother
of alI towboats. The September issue
of "The Lamp," publication of Standard
011 Co. (New Jersey), describes
her prowess as the Misslsslppi"s
"shovingest" craCt and he r unusual
features which dlstlnguJs.h her from
othel' vessels.
DIsplacing 1.500 tons and measuring
315 feet. long and 62 feet wide,
"Blg Mama" pushed heavier and
longer large tows than any other Mtsslsslppl
craft. More than 100 persons
could be seated comfortably at dinner
In the main forward cabin, Her
famous stern paddlewheel, a massive
structure 37 feet In diameter, turned
on a 40-ton shaft and as one of her
own pllo t.~
once remarked, "when It
pushes water, someth.ing's sure got to
move."
The big river steamer, whose real
name was the Sprague, appeared on
the MiSSissi ppi when river transportation
was changing Cram fast passenger
travel to slow mass movement oC
heavy freight. She was built In 1902
at Dubuque, Iowa, for the coal trade
out of the Ohio River to New Orleans,
and made her first trip In time to exchange
whistled greetings with the
last of the great white fieet of swIft
packetboaLs that had made Mississippi
R iver steamboatlng famous.
And "Big /\tama's" whistle. like her
sizeable proportions, is something to
l'

was enough 011 In that tow to load
a tank car train 10 miles long.
The popular river boat also w;ed
her great power to save lives and to
help win wars. In 1921, when the
Mississippi burst Its banks neal'
Greenville, Miss .• '" Big Mama," with
two empty barges, swung out of the
raging ma.ln channel and steamed
Inland more than a mile, battering her
way over treetops to rescue almost
all of Oreenvlllc's stranded population.
in World War I , the big '-essel participated
In the Oo\'ernment·s great
erron. to mo\'e millions of tons of vital
materials to tidewater for shipment
overseas. In World War n , she
shoved so much vital oil cargoes so
Tegularly that she was called " Ule only
pipe Une running lengthwise of the
MississippI,"
104
" B ig Mama" traveled more than a
million miles on the river, a dL

which have been made for a public
hearing. permanent rules will not be
adopted by the Commission until a
datc beyond June 15. 1948; and
IT J'UlI THER APPEARING, That pending
the final adoption of permanent rules
governing operator license requirements
as aforesaid. It is necessary to
contlnue beyond J une 15. 1948. the
temporary rules governing operator
license requirements for ship radar
stations licensed In the Ship Service;
. nd
IT FORTlI£R APPEARWG, That because
of the temporary nature of the proposed
ell:tenslon, and because of the
opportunity which heretofore has
been afforded to all interested parties
to submit comments on the subject of
operator requirements for ship radar
stations licensed In the Ship Service,
and because the need for the continuance
of the temporary rules is urgent,
the public notice and procedure
provided for In section 4 of the Administrative
Procedure Act are found
to be Impracticable and unnecessary
herein, and for the same reasons, and
because the extension of the temporary
ru'tes In question will contlnue
to relieve a restriction. such extension
J;hould be made effective Immediately;
and
IT J'UlInlU APPEARING, Thnt unless
the waiver hereinabove referred to
of the requirements ot J;ection 318
ot t he act IJ; extended. the provision:;
of that J;ectlon wUl, after June 15,
1948, require J;hlp radar stations li ­
censed In the Ship Service to be operated
by licensed radio operators;
.nd
IT nrnmER APPEARING, That under
the pl'ovislons of section 318 aforesaid
!.he Commission may waive the
requirement of llcenJ;ed radio operators
for ship radar J;tatlons licensed
In the Ship Service if the Commission
first shall find that stich a waiver will
serve the public Interest, convenience,
or necesslt.y; and
IT FO~TIIEII APPEARING, That under
CommiSSion Order 133, dated May 10 ,
1946, the Commission waived to a
limited extent the llcensed radio operator
requirements of SEction 318
aforesaid with regard to shipboard
radar stations licensed In the Exper­
Imental service; and
IT FURTHER APPEAR ING, That during
the Interim period preceding the final
adoption and effectiveness of permanent
rUles governing operator license
requirements fo r J;hip rada.r stations
licensed In the Ship Service. radar
stations so licensed can be as well operated
by unlicensed personnel as can
radRr stations licen.o;ed in the Experimental
service; and
IT nrnTIlER APPEARtNa, That under
the foregoing circumstances It wllJ
serve the public Interest and con_
venience temporarily to waive, to the
July 1948
same extent as now provided In t he
ExperLmental Service by Order 133,
the licensed radio operator requirements
with regard to ship radar stations
Ilcensed In the Ship Service;
.nd
IT FURTHER APPEARING, That author­
Ity to accomplish the a foresaid ob­
Jective Is contained In sections 303
If), \g) , Cll , and 318 of t he Com;
munications Act of 1934, as amended;
IT IS ORDERED, That, effective J une
is, 1948, the provisions of section 318,
aforementioned, are hereby waived
Insofar as such provl~lon s require any
person to hold a radio operat.or license
Issued by this CommIssion In
order to operate ship radar stations
licensed by this Commission In the
Ship Service, prowded that. this
waiver shall extend only to the nOfmal
operation of such radar stations
on board ship and shall not be con ­
strued to permit unlicensed personnel
to make any adjustments or to do
any servicing Of maintenance tha t
may affect the proper operation of
the station; provided fu rther that
this waiver Shall not be construed
to affect In any way the responsibility
of the station licensee for the proper
operation of the station; and provided
further that the waiver herein
ordered may, in the discretion of the
Commission and without advance notice
or hearing. be changed or cancelled
by order of the Commission.
and shall In no event extend beyond
the effecUve date of permanent rules
adopted by the Commission govern­
Ing operator license reqUirements for
ship radar stations licensed In t.be
Ship Service, or beyond November
15, 1948, whichever is earlier;
I T lS Fl)'Rl'nJ;R ORlIER!lI, That effective
June IS, 1948, parts 8 and 13 of
the Commission's Rules Governing
Ship Service and Commercial Radio
Operators, respectively, are amended
as follows;
( I) Footnote '71 to Section 8.195 Is
amended as follows;
(al By deleting In the first sentence
thereof the phrase "and a second
temporary waiver effective
March 15. 1948," and substituting
therefor, the ph,rase "and by sub­
~equen t temporary .....alvers effec_
tive March 15, 1948 and June 15,
1948."
(b) By deletlllg In the lru;t sentence
thereof the phrase "J une IS ,
1948" and substituting therefor the
phrase "November I S, 1948."
(2) The lourth footnote appended
to section 13.1 which footnote commences
" By order dated and effective
December 15. 194'7 • • • ," Is
amended as follows;
(a ) By deleting the phrase "and
by a seeond order dated March 12,
1948 and effective March IS, 1948."
and substituting therefor the phrase
"and by subsequent orders effective
March IS, 1948 and June IS, 1948."
FEDERAL COMMUNICATIONS
COMMISSION,
Is1 T , J. SLOWIE,
SecrelarJ/,
Adopted: Junc 2, 1948.
HEARING UNITS
Coast Guard Merchan~ Marine Investigating
units and Merchant Marine
deta.Jls Investigated a total of
682 cases during th e month of April
1948, Of this number charges were
prelerred InvolVing 2'7 lIcen:;cs and
65 unlicensed men. No hearings were
held becnuse examiners were not
available,
CORRECTION IN " RULES OF
THE ROAD"
Attention Is called to some errors
which appeared In the May 1948 Issue
of the "ProceedingJ;" on pages '74 and
75 under the heading "Rules of the
Road." In referring to the whistle
signals to be used In passing, t.he
article stated that short blasts were to
be used. There should be substituted
for the word "J;hort" the word "distinct,"
which change was made In the
most recent amendment to the Pilot
Rules for the Great Lakes In March of
this yea r. The bend signal and the
signal to be used by a ves.~el leaving
her dock and berth should read one
long blast of the whistle of at least
8 seconds duration. On page '75 in the
first paragraph under the heading
"Steam Vessel Overtaking Another"
t he first phrase In the paragraph
should read "When one steam vessel
Is overtaking another" Instead or
"When steam vessels are running in
the same direction."
CANCELLATION OF ARTICLES Of
SHIPS' STORES AND SUPPLIES
Articles of ships' Slores and supplies
certificated or cancelled from
May 25. 1948 to June 25, 1948, Inclu_
sive, lor use on board vessels In accordance
with the provisions of part
147 of the Regulations Governing Ex_
plosives or Other Dangerous Articles
on Board Vessels.
Tile Tallgle/aot Co .. Grand RapldJ;
4, Mlch.. Certification No. 167, dated
1 J une 1948. Victory DUusor Liquid,
This item I~ cancelled.
AFFIDAVITS
The following alIldavlts were ac ­
cepted during the period from May
15 to J une 15, 1948:
Tlte Parker Appliance Co., 1'1325
Euclid Ave .. Cleveland 12, Ohio, Pipe
Fittings.
Clark Cooper Co.. Palmyra. N. J ..
Valves and Fittings.
105

LESSONS FROM CASUALTIES
REC KLESS OR NEGLIGENT MOTOR ·
BOAT OPERATORS
Now that the 1948 motorboat season
is underway. the COMt Guard requests
that owners cooperate to reduce
accidents and calls for assist ­
ance to a minimum by operatlng their
boats In a safe and sane manner.
Every year many persons lose their
lives. are Injured, or have their property
damageS thnn It Is capable of making. As
an example of this, a motorboat oper­
!\lor who was running at a somewhat
reduced speed was in the \'Iclnity of
some bathers but he did not see them.
HoweVer. he knew from past experience
that the area was frequented by
swimmers. It is \'ery difficult to observe
a head in the water from a boat.
especially tr the water Is ChOppy. HIs
boat~truck one swim mer and mangled
APPENDIX
Amendments to Regulations
latlon.'t was published In the FEDERAL
REIlISTER dated March 6. 1948 (13 F . R.
123'1 1, and public hearings were held
by the Mcrchant Marine Council on
March 30 and 31. 1948, at Washington.
D. C.
The purpose of the miscellaneous
amendments to the regulations is to
clartry t heir Intent. el'lcct editorial
his lea: to such an extent that It had to
be amputated. T hIS terrible aCCident
was considered avoidable, as in the
fi rst place the operator should have
remained away from that vicinity;
and In the second place, while he was
operRting at 11 reduced speed he was
stili going t.oo fast to maintain a
proper lookout. As this Is wrlUen
the case hIlS not been settle

I
lean Bureau of Shipping, heating boU ­
er COde of the American Society of
Mechanical Engineers. and the rules
tor fusion weld ing piping of the Ame r_
Ican Welding Society. All the written
lind oral comments. data, snd suggesUons
submitted were considered by
the Mercha nt Marine Council and
where practicable were InCOrPOrated
Into the miscellaneous amendments
to the regulations.
The Department of the Army, as
"'ell as various shlp)'srds and contractors
Indicated that It Is very dim.
cult to obtain wire Inserted glass with
deliveries being up to 18 months from
the tlme the orders a re given. Ac_
cordingly. In order not to hinder the
construction and delivery of passenger
vessels, the use of plain glass as a n
alternate for the wire Inserted glass
will be permitted until July l. 1949.
This a mendment to the regulations.
46 cm 144.29. 15 published without
prior general noUce of its proposed Issuance
for the reason that nOtice and
public rUle making procedure In connection
therewith are hereby found to
be impracticable. and contrary to the
publJc Interest.
By virtue of the authority vested In
me by R. S. 4405. as amended. 46
U. S. C. 375 and sec. 101 of Reorganlutlon
Plan No.3 of 1946. 11 F. R.
7875. as well as the statutes cited with
the regulations below. the foll owing
amendments t.o the regulations are
prescribed. which shall become effeclive
90 days after date of publication
of this document In the htlEIlAL REG­
I5T1:R :
SoIKlwo"Of e-M",,,,I>0>,0.. , .....r C....Dln v ......
" ....11.01 Io~ Ma

occupy roorm to which private facilities
are attached.
(2) When the engine room crew,
exclusive of licensed omcers and
others separately provided tor, exceeds
eight, separate washing facilities
shall be provided.
(3) Vessels contracted for after
January 1. 1949. shall hao,:e the toUet
rooms separate from the washrooms,
and at least one washbasin shall be
fitted In each tOilet room. (R. S. 4417a
and sec. 5 (e), 55 Stat. 244, as
amended; 46 U. S. C. 391a, 50 U. S. C.
1275)
HULL REQUDDU:NTS: NEW TANK VESSELS
2. Sect.lon 32.2-4 Is amended by
adding the loliowlng new sentence at
the end thereof:
f 32.2--4 Pump rOOm,,:"" TB/ ALL.
• Thc RCCess to a cargo pump
room handling such liquids shall be
from thc open deck. (R 5. 4417a, and
sec. 5 (e) . 55 Stat.. 244, as amended;
46 U. S. C. 391a. 50 U. S. C. 1275 )
BOI LEJtS ANO boL\CHtNf;Ry
3. Section 32 . ~2 is amended to rcad
as tollows:
I 32.5-2 Test and fn&pection 0/
bolt e r sand equlpmcnl-TB/ ALL.
Boilers. unnred pressure vessels. pip­
Ing systems, and appurtenanceS shall
be fabricated, tested. and inspected as
required by Parts 50 to 57 .l n clu..~lve. of
this chapter (Subchapter F- Marlne
Engineering) . CR. S. 4417a, and sec.
5 (e), 55 Stat. 244. as amended: 46
U. S. C. 391a. 50 O. 5. C. 1275)
4. Section 32.5-5 Is amended to read
as tollows:
132.5-5 in" tallatkm offuel-otl spstenu-TB/
ALL. The InstallaUon ot
fu el-oil systems shall comply with
the requirements In Part 55 of this
chapter (Subchapter F-Marlne Englneerlngl.
(R. S. 4417a. and sec. 5
(e), 55 Stat. 244. as amended; 46
O. S. C. 391a. 50 U. S. C. 1275)
V1:NTILATION ANtI Vl:lfTING
5. Section 32.7-4 (b) Is amended to
read as follows:
132.7-4 VcnUllg 0/ cargo tallks;
new ,;euels--TB/ ALL. • • •
(b) (1) Cargo tanks In which Grade
A liquids are to be transported shall
be fitted with a venting system consisting
of branch vent line from eacb
cargo tank connected to a vent header
which shall extend to 0. rcasonable
height abovo the wcather deck and be
fitted with a flame arrester or pressure-vacuum
relicf valve. Each
branch vent line may be provided
with a. manually operated control
valve. provided It Is bypassed with a
pressure-vacuum relief valve or each
cargo tank to which such a branch
vent line Is connected Is tltted with an
108
Independent pressure-vacuum relief
valve. The l'cnt header system shall
bc provided with sultable connections
for flushing and drnlnlng.
(2) In barges with Indepcndent.
tanks carrying GradO A liquids. separate
discharge pipes may be fitted to
each pressure-vacuum relief " alve, or
the pressure-vacuum relief l'alve may
be elevated. so that In either case the
discharge from such valve will not be
less than 7 feet above the deck where
practicable.. (R. S. 4417a. and sec. 5
(e), 55 Stat. 244, as amended; 46
U. S. C. 391a. 50 O. 5 . C. 1215)
CARGO PUVPS AND CARGO PlPlNG
6. Section 32.8-2 (a) Is amended to
rcad as follows:
f 32.8-2 Cargo pump fittings alld
COfltrob; new veti"cls-TB/ ALL. Ca)
Where a cargo pump Is capable of developing
a pressure exceeding 125
pounds at the pump under shut-olT
hcad eondUtons (based on water) . a
suitable rcllef valve shall be Installed
between the pump and shut-Off valve
In the cargo pump dlschargc and
piped back Into the suction. The rc_
uer valve setting shall not exceed the
pressure for which the plplng syst.em
is designed. CR. S. 4417a and sec. 5
(c), 55 Stat. 244. as amended: 46
O. S. C. 391a, 50 O. S. C. 1275)
7. Sectlon 32.8-4 (a) Is amended to
read as follows:
I 32.8-4 Co.rgo pip/ng; ncw tIC,,­
"cls-TB/ ALL. (a) (1 ) The piping
shall be arranged so as to avoid excessive
stresses at the JOints. For sizes
exceeding 2 Inches In diameter,
flanged, welded, or other approved
types of joints shall be employed.
Packing material shaU be sultable
for thc cargo carrlecl. COnnections
at bulkheads shall be made so that
the plaUng does not torm part of a
fianged joint. Piping may be carried
through bunker spaces and deep
tanks provided It Is run through a.
pipe tunnel. The tunnel may be
om.1tted where the pipe Is extra heavy.
all Joints are welded. and bends are
In.o;tallcd to provide tor expansion and
contraction.
(2) Cargo piping shall not pass
through spaces containing machinery
wherc sources of vapor Ignition arc
normalJy present: Provided. That. In
conversions effected during the National
Emergency proclaimed by the
P resident May 27. 1941. cargo piping
tor Grade E JlQuids passing through
shaft alleys and machinery spaces
may be permitted. (R. S. 4417a and
sec. 5 (e) . 55 Stat. 244. as amended;
46 O. S. C. 391a: 50 U. S. C. 12751
EQUlP)lENT ANO liIISCELLANEOUS
8. Section 32.9-10 Is amended to
read Ill! follows:
132.9-10 Cargo hosr.-TB/ ALL.
Cargo hose. whcn carried on tank vesscls.
shall be of a grade suitable for
oil service and shall be designed to
withstand the pressure of the Shutoff
head of the cargo pump or pump
relief valve setting. less static head.
but In no case less than 100 pounds
per square Inch. f R . S. 4417a. and sec.
5 (e). 55 Slat. 244 . as amended: 46
U. S. C. 391a. 50 O. S. C. 1275 )
PART 33- LIFESAVING ApPLIANC"ES
REQUIREMENTS FOR Ll1'I:fIOATS, LIFE
RAFTS, "ND BUOYANT APPARATUS
1. Section 33.2-1 Is amended to read
as follows:
133.2-1. Tallk "hiP'; ocean--T/ O.
(al All tank ships which normally operate
more than 20 miles off shore
shall carry a sumclent number of IIfcboats
on each side to accommodate all
persons on board: Providea, That such
tank ships of 350 feet In length or
over. havlng superstructure amidships
and propelling machinery aft shall be
prOvided wlt.h at least four IUeboats.
one on each sldc In way of the arter
accommodations, and one on each side
In way of amidships accommodations.
(b) No boat. shall be of less than 180
cubic feet measurement. (R. 5 . 4417a.
and sec. 5 (e) . 55 Stat. 244, as
amended : 46 O. S. C. 391a. 50 O. S. C.
1275)
EQUIPMENT : L1F£DOATS. LIFE RAFTS. AND
BUOYANT olPPARATU'S
2. Section 33.3-1 (y) Is amended to
read as follOWS;
§ 33.3-1 Ta11k slilp lifeboat equipment;
oceall alld cocutwf"e-
T I Qe.
(YJ Parachute flare dlstreu Si011a./8.
(1) TWelve approo,:ed parachute red
flare dJstrcss signals and an Bpproved
means ot projecting them, all contained
In a portable watertight case.
SeI"V1ce use of t.he signals shall be
limited to a period ot three yean
from date of manufacture. (For
specifl catlons for the above equipment.
see subparts 160.024 and 160.036
In Subchapter Q of this chapter.)
(2) The stowage of t.hls equlpment
is discretionary with the master.
(3) On ocean tank ships parachute
red tlare distress signal outnts need
not be provided for more than two
lifeboats.
(4) On coastwise tank ships parachute
red tlare distress signal outfits
need not be provided tor more than
one IIfcboat. lR. S. 4417a. and sec. 5
(CI, 55 Stat. 244 . as amended: 46
U. S. C. 391a, 50 O. S. C. 1275)
3. Section 33.3-2 Is amended by
deleting paragraph U) and by amend­
Ing paragraph (e) to read as follows:
I 33.3-2 Tank shIp II/emt equlpmetlt;
Great Lakcs-TI L . • • •
Ie) Distress s/glla/s. (I) Twelve
approved hand red nare distress slg-
July 1948

nals In a wa~ertlght container, or
twelve approved hand combination
nare and smoke distress signals In a
watertight. container. Service use
shall be Umlted to a period of three
years from date ot manufacture. D is·
tress signals not bearing date of manufacture
shall not be carried alter
January 1, 1949. (For specJftcations
for the above signals, sec subparts
160.021, 160.022, and 160.023 In Subchapter
Q of this chapter.)
(2) Either an approved flashlight
or tv.-elve approved parachute red
Hare distress signals. and an approved
means of projecting them ; all contained
In a portable watertight case.
may be substituted for sIx of the above
diStress signals. but at least six of the
above hand red flare distress signals
shall be carried. SerVice use of the
signals shall be limited to a period of
three years from date of manulacture.
(For speclftcatlons for the parachute
red flare distress signal equipment.
see subpar t.s 160.024 and 160.036 In
SubchaPter Q of this chapter.)
un: BUOVS
4. Section 33.7- 115 amended to read
a.s foUows:
§ 33.7-1 Number required ; tank
,hlp_TI A.LL. The minimum number
of approved 30·lnch life buoys and
the minimum number to which approved
automatic ,,'ater lights shall be
attached shail be In accordance with
the following table:
'\Unl"'III"
.\ I lnl·
n"",btr or
:1.?:::i.'Tiln
­ ...,to)" ..·]I11
1'"" ''''' a ,>,,",,''''1
~.
nu",~,
1""'1111 "'lank ...,.,.1
3O.lncll
au,ouWll 1r
",
b,,,,J'II ... ~It" I!.h"
.,""'1>0--oPER.-\TION
CV1 ERAL SAFETY RULES
Section 25.4-5 Is amended to read
as follows:
I 35 4-5 Fresh air breatILi1l11 ap­
JX1ratns-TBI ALL. All manned tank
veMelll having cargo tanks which ex_
ceed 15 feet In deplh, measured from
the deck to the lowest point at which
cargo is carried, shall be provided
willi fresh air breathing apparatus,
Including belt and lUe lines. (R. S.
4417a. lind sec. 5 (e) , 55 Stat. 244. as
amended ; 46 U. S. C. 39 10.. 50 U. S. C.
1275)
PART 37-8PECIFJC.-\TIONS FOR LIFE­
SAV I NO ApPUANCES
LIn PRES£RVDS
1. Section 37.6-3 Buol/allt materlaill-TBI
ALL is deleted. (R. S.
4417a and sec. 5 ( e ) , 55 Stat. 244. as
amended; 46 U. S. C. 391a, 50 U. S. C.
1275 )
LIFE BUOVS
2. SeeUons 37.8--1 to 37.8-10, Inclu_
sive, and the figure for "Standard
R ing Lite Buoy" are deleted. ( R . S.
4417a, and sec. 5 (el , 55 Stat. 244. as
amended; 46 U. S. C. 3910.. 50 U. S. C .
1275 )
t.II'I'E-THROWINO CUN
3. Section 37.1G-S Signal pistol­
T 10C and figure I-Marine Signal
Pistol Ilre deleted. (R. S. 4417a. and
sec. 5 (e). 55 Stat. 244. as amended;
46 U. S. C. 39 1a, 50 U. S. C. 1275)
Sob.hap•• • ~• • I ~ .
l~gl~_I~g
P AR T 52-CONSTRUCTI ON
SUBPAR T n.O!-PROCEDUR£ AND (;ENERAt.
REQUlR£MI'.NTS
1. Section 52 .01-5 (13 F. R. 1706)
is a mended to read RS follows:
J 52.0W DrawIngs. (a) Manu_
facturers Intending to fabricate boU_
ers. unnred pressure vessels or appliances
or riveted, welded. brazed. or
seamless material to be Installed on
vessels subject to Inspection by the
Coast Guard, shall submit detaU
drawings In triplicate whlS;h shall be
fully descriptive of the pressure containing
parts. of such boilers. unfired
pressure vessels. or appliances to be
m anufactured. to the OMce.r in
109

Charge. Marine Inspection. baving
jurl!dlcUon over the vessel. When
due to location of the s hipyard or de.
&ign oMce. such a procedure would re·
sUIt In unnecessary delay In trans.
m l.sslon, the drawings may be forwarded
directly to the Commandant
(MMT) . U. S. Coast Guard, Washing.
ton 25. D. C,
(b) The procedure ~lJl.ed In
paragraph (al shall apply also to
prOPOSed alterations. (R. S. 4417a,
4.4.18, 4426. 4427, 4429-4434. 4.4.53, and
4.4.91 , sec. 14. 29 Slat. 690. 41 Stat.
305, 49 Stat. 154.4., M Stat. 346, and
sec. 5 (el, 55 Stat. 244, as amended;
48 U. 6 . C. 363. 366, 367, 39 1a. 392.
404 . 405. 407-412, 435, 1333,50 U. S . C.
1275 >
IlU8PART S2.05--CYLINDRIC.u. S}tELLS
2. Section 52.0:)-5 (a) (13 F. R.
1707) 1$ amended to read as follOws:
152.0:)-5 Materials. (al P:ates
shall be of marine boiler steel complying
with subpart 51.04. except that
boilers designed for pressures not exceeding
150 pounds per t quare Inch
may be constructed of steel plate
meeting the specifications of subpart
51.22 Rnd which are lested, Inspected.
and stamped u required by 151.01-1
of this subchapter. (R. S. 4.4.17a. 44018,
4426, 4427, 4429-4434 . 4453, and 4491 .
sec. 14 , 29 Stat. 690. 41 Stat. 305. 49
Stat. 1544, 54. Stat. 346. and sec. 5 (e),
55 Stat 244, as amended: 46 U. S. C.
363 , 366. 367, 391a, 392. 404. 405. 407­
412, 435, 1333, 50 U. S. C. 1275)
SUBPART S3.300-Ht.\OS
3. Soctlon 5220-5 (al (13 F. R.
1710 ) Is amended to read as follows:
f 52.20-5 Materials a'lld workmanship.
(a) Steel plate used In the
fabrication of heads shall be either
nange or nrebox qUality complying
with subpart 51.01. or 51.22. Flanged
or dished heads If pressed or nanged
cold shall be stress- relieved u required
by 156.01-70 of this subchapter
after the cold·formlnlr operations are
completed. Heads that are flanged
or dished hot need not be stress-relieved.
(R, 8. 4417a, 4418. 4426, 4427.
4429-4434, 4453. and 4491 , sec. 14 . 29
8tat. 690, 41 Stat. 305, 49 Stat. 1544.,
54 Stat. 346, and sec. 5 (el, 55 Stat.
24.4. as amended: 46 U. S. C. 363, 366,
367. 391a. 392. 404. 405, 407-412, 435,
1333.50 U. S .C. 1275 )
SUBPART S2.60--5UPUIlEATEllS, READERS.
WATER WAL~ , AND £CQNOtUttRS
4. Section 52.60--6 D rawings and
specf}tcatio1l" (13 P. R. 1723 ) Is
deleted.
PART 5~Low-PRESS11RE HEATING
BoTLElls
Part 53 (13 'P. R. 1728, 1729) Is
amended to read as follows:
110
"". ~.Ol - I
Scope.
IU1U'AJI'l' U .D)-eTEZL pUon HUoT11fO
~-
&3.03- 1 Scope.
63,03- G Plan approval.
63.03- 10 "a("rlall.
63.03-1G Computatlo nl and dealgn.
63.03-20 Brice

C_ t70 lew plates exp

(I) Washout openings may be used
for return pipe connections and the
washout plug placed in a tee so that
the plug Is directly opposite and as
close as po.sslble to the opening In t he
boiler.
(g) All threaded openings shall be
tapped Into material having a minimum
thlckness as specifled for the
variOUS pipe slzes!n table 53.03-50 (g).
'fA ft'.1i: r..l.(n. 1\(j I ~ ) _ ~ ' ' .~ 'l' '''' T .. ,rx"'li:!d (> ~ ,'IA'
1U'A ~ r UM T" ~I:.\I> ~ I> C""."'n"TIo"'~
~ l l,,11I1I1I 1I
Ihk-I"o. lI "r
1 \""",1 "...
'1111"",
(IIId"",,)
,,
I "m' ",,,10' _ ••_ ••.•.•_ .. _ ..•..••
1U 1 ~, lnclll.I,·~_•••• ••_ ••_ ••••_••
2'4.... . ..... .... _ •._ ...
".
3,--10
of this subchapter.
(dl T he mlnlmum valve CflPo.c1ty
in pounds per hour shall be determined
by dividing the maximum
B . t. u. output at the boiler nOZZle for
which the un it Is designed by 1.000
or by multiplying the square feet of
heating surface by 5. In some In_
stances. a largel' valve may be required
and In all cases the requirem
ent of paragraph le I of this section
shall be met.
ee) The safety and relief va!ve
capacity for each boiler shaJl be such
that with any fu el-burning equipment
Installed. the pressw'e cannot
rise more than 6 percent for steam
boilers and 10 percent for hot -water
boilers above the maximum allowable
pressure of the boilers.
(n Each safety or relief valve sha\!
be plainly marked by the manufac_
turer in such a way that the mark_
Ings wlll not be obliterated In service,
TIle markings may be stamped on the
valve body or stamped or cast on a
plate securely fastened to the body.
and sh all contain the following Information:
fll The name or manurac~urer
sa}et1J and relte} val ves. (a) The
sizes and discharge capacities of
'Return "alve--Number ( ) .
safety and relief valves for heating
Do
not clOOle without alllO closing BUp_ boilers shall conform to the requirements
of subpart 52.65 covering safety
ply \'alve--Nu mber ( ,.
valves for power boUers except as pro­
Vided for In thls part.
(g) After installation the boiler 4b) The safety and relle! valves
shall be hydrostatically tested to twice for each boiler shall be tested for connection of pipe to boiler.
____ _
-( 2) -si;; . :.::::::::::::::::::. ·Iiieh~.
(The pIpe size or the ~Illve Inlet)
(3) PTeasure _______ ••_____ p. S. I.
(Set pressureI
( 4 1 Capacity _______ ________ I b~. pH
lIn accordance with f 52.6.5--10\
hour or reller "alve mlU'klng. Capll.(:cty
_________________ B. ~. u . per hour.
I 53.03-70 F f ·t t f n fi g and appll_
ances-(a) Steam gauges. (1 ) Each
steam boiler shall have a steam gauge
connected to Its steam space. or to
It.s water column, or to Its steam connection
by means of a siphon or
equivalent device exterior to the boiler
and or surneient capacity to keep
the gauge tube ruled with water and
so arranged that the gauge cannot
be shut ofT from the boiler except by
a cock, with T or lever handle. pl aced
In the pipe near the gauge. The
handle of the cock sha.11 be parallel
to the pipe on whlch It Is located
when the cock Is open.
(2) Connections to steam gauge
siphon shall be of nonferrous metal
when smaller than 1 Inch pipe and
longer than 5 feet between the siphon
and point of connection of pIpe to
boiler. and also when smaller than ~
Inch pipe size and shorter than 5
feet between the siphon and point of
112 Jul y 1948

(3) The scale on the dial of the
gauge shall be graduated to not less
than 30 p. s I. The gauge shall be
provided with effectlve stops for Indicating
pointer at the zero point.
The travel of Ule pointer from zero
to 30 p. s. i. shall be at least 3 Inches.
(b) Water pressure gauges. ill
Eaoh hot water boiler shall have a
pressure gauge connected to It or to
Its flow connection In s uch a manner
that It cannot be shut off from the
boiler except by a cock, with T or lever
handle, placed on the pipe near the
gauge. The handle of the cock shall
be parallel to the pipe on which It Is
located when the cock Is open.
(2) Pressure gauge connections
shall be of nonferrous material when
smaller than 1 Inch pipe size and
longer than 5 feet between gauge and
point of connection of pipe to boller,
and also when smaller than Y:1: inch
pipe slze and shorter than 5 feet between
gauge and point of connection
of pipe to boiler.
(c) Thermometers, (1 ) Each hot
water boiler s hall have a thermometer
so located and connected that It will
be easily readable when observing the
water pressure.
(2) The thermometer shall be so
located that It shall at all times Indicate
the temperature In degrees Fahr_
enhet of the water In the boiler or
near t.he outlet.
Id) Temperature combustion TeQItlalor.
A temperature combustion regulator,
which will control the rate of
combustion to prevent the temperature
Of the water from rising above
250· F. at or near the outlet. or a
thermostatic devIce whIch will relieve
the pressure on the boiler when the
temperature exceeds 250· F. shall be
Installed on each hot water heating
boiler.
(e) Bottom blowoD. Each boiler
shall have a blawoff pipe connection
fitted with a valve or cock of not less
than % Inch pIpe slze connected to
the lowest water space available.
10 Water ga!lgc glasses. Each
steam boiler shall have one or more
water gauge glasses attached to the
water column or boiler by means of
valved Httlngs with the lower fitting
pro\'lded with a valve Dr pet. cock.
\g) Gauge cocks. Each steam
boUer shall have two or more gauge
cocks located wlt.hln the visible range
of the water glass.
(h ) Water column pipes. The.
minimum size ot pipes connecting a
waler colUmn to a steam boUer shall
be I InCh. No connectlons, except for
regulator, drain Dr steam gauge, shall
be attached to a water column or the
piping connecting a water column to
a boiler. Ir the water column or gauge
glass Is connected to the boiler by pIpe
and fittings, a T, or equIvalent tittlng,
in whIch a drain valve and ·pip-
July '948
Ing may be attached. shall be Installed Ing boilers shall be provided with suitable
washout openings to permit the
In the water piping connection at
every right angle turn to facilitate removal of any sediment that may accumulate
therein. Washout openings
cleaning.
(I) Low-water fuel cut-oU. (I) All may be used for return pipe connectJons
and the washout plug placed In
automalically fired steam boilers shall
be equipped with low-water fuel cutoff
so located as to automatically CUt posite and as close as possIblc to the
a T so tha t the plug Is directly OP­
off the fuel supply when the surface opening In t.he bol!er.
of the water falls below the lowest t 53.05--20 Flanged connections.
safe water level.
Flanged pipe connection openings In
(2) An automatic water feeding device,
so located as to supply the re­
Standard given In table 55.07-15 (JI)
boilers shall conform to the American
quired amount of feedwaler when the of} 55.07-15 (j) of this subchapter for
surface of the water falls below the the corresponding pipe size and shall
safe water level. may be Installed In h ave the corresponding drilling for
conjunction with the required lowwater
fuel cut-off .
I 53.05--25 Threaded openings.
bolts or s tUds.
~ 53.03-75 Hydrostatic tests, i71­All threaded openings shall be tapped
SpeCtiOIl . al/d stamping. ( a) Each
boiler shall be s ubject to a hydrostatic
lest pressure of not less than 60
pounds per square Inch by the manu·
facturer.
Cb) In the event of any defects de·
veloplng, the defective material may
be replaced and the boiler retested.
(c) Individual shop Inspection of
heating boilers by an Inspector Is not
required. Such Inspection shall be
made by the manufacturer while the
boiler is subjected to the required hydrostatic
test pressure to Insure that
there are no defects In workmanshJp
and materials.
(d) Upon completion of the hydrostatic
tests and Inspectlon and after
the boiler is found acceptable It shall
be stamped In a suitable location so
as to be readlly visible. with the fol_
lowing data:
(Nllme of rabrlcator and aerial number)
(Month and year fabricated )
______ ___ ._._.____• __ ______••• _._p. •. I.
(Ma;dmum w. p .) (Steam or water)
____ B. t . u. per hour, or pounds per
hour.
( Sl\ret~' or reller YI\I~e capacity. minimum)
(COII..St OU8m Approval No.)
SUBPART S3.05--CAST-IRON HEAnNG
BOlLERS
§ 53.05--1 Scope. The regulations
In this subpart contain detail require_
ments for the design and construction
of cast-Iron heating boilers.
{53.05--5 Mallllf actuTu'3 certificatloll.
A manufacturer desiring to
fabricate cast-Iron heating boilers (or
use on vessels subject to Inspection by
the Coast Guard s hall SUbmit an amdavit.
on Form C0-935A certifying
that such boilers will comply with all
the applicable requirements of the
regulations In this subchapter.
1 53.05--10 Material. The male_
rial used In the fabrlcaUon of cast­
Iron heating boilers shall conform to
the requirements of subpart 51.64 for
grade B or grade C cast. Iron.
~ 53.05--15 Washollt openings. All
east·Iron steam and hot water heat-
Inlo material haVing a minimum
thickness as specified In table 53.05--25.
7A~ U 103 .115-2.1--:11'"1>·&.................... "
§ 53.05-30 HlIdrost atic tcsts, In.
specUo n. and stamping. (a) The
completed boiler shall be subject to a
hydrostatic test pressure or not les.o;
than 60 pounds per square inch by the
manuracturer.
(bl In the event of any defects developing.
the defective cored section
may be replaced and the boiler retested.
(c) Individual s hop Inspection of
cast-Iron heaUng boilers by an Inspec·
tor Is not required. SUch Inspection
shall be made by the manufacturer
while Lhe boiler is subjected to the
required hydrostatic·tcst pressure to
Insure that there are no defects In
workmanship and materials.
(dJ (1 ) All cast-Iron heating boil ­
ers shall be plainly and permancntly
marked, stamped, or cast with the
following data:
(I) __ __ _•••__________________. __ _
(Name or fabrIcator !\nd l!erlal number).
(II) ___ ._. ____ • ____••••_._••___ __•
(Month and year fabr lcRtedj.
tlll ) _____._.__ ____ • _____ __ • ___ p .D. I.
(MaIlmum w. p.) (Steam or water).
(\\' I ____ ._._ ... _ pounds per hour or
B. t. u. per hour. (Safety or reller valve
cApacIty. minimum).
(v) Coa..st Guard Approval No...__. ____
(2) Ilems (I). (II). and (liD shall
be stamped or cast on all cored seetlons
of the boiler. In addition. a
name plate containing all the mark­
Ings listed herein shall be attaChed In
a suitable locution on the outside of
\.he completed boiler or casing.
113

i 53.05-35 I nstal/allan. The provisions
of i 53.05- 55 shall apply to
cast-Iron boilers.
I 53.0!).-40 Safe/II and relief VGl lles.
The provisions of ~ 53.03-60 shall apply
to cast-Iron boilen; except tha t the
safetY ,or relle r valve shall be set to
discharge at a preMure not to exceed
15 p. s. l.
I 53.05-45 Dlscllarge capacilles 0/
lIalelll and rel/cl valve.,. (a) The
provisions of I 53.03-65 shall apply
except as s peelfted In this section.
(b) Safety valves for cast-Iron
heating boilers sha.ll be tested for ca ­
pacity at 33 ~ percent over the 15
p. s. I. required set prell$ure. Relief
valves shall be tested at 10 percent
over the required set pressure.
(c) The safety and relief valve capacity
for eaeh cRst-lron boiler shall
be such that, with any fuel-burning
equipment Installed. the pressure cannot
rise allove the maximum allowable
pressure more than 5 p. s. I. for 11
steam boiler or 3 p. s. l. for 11 hot -water
boiler.
§ 53.05-50 Fitlil/gs al/d app/ftwccs.
The provision!; of 1 53.03-70 s hill!
apply to nttlngll and applia nces for
east-Iron boilers.
PAIIT 55-PIPING SYSTEMS
stnlP"'IIT n .C4-
PIPING CLASSIFICATION
1. SecUon 55.0

I
(4) Oceangoing sailing vC$Sd.s and
boruel. Ef!\clent hand pumps which
can be operated from above the bulk4
head deck or the highest convenlen~
level which Is always accessible shall
be Installed on oceangoing sailing
vessels and barges. There shall be
one pump lor each compartment or
two pumps connected to It bilge main
having at least one branch to each
1 compartmem. Where power Is always
available two power pumps connected
to the bilge main may be substituted
for the hand pumps.
(5) River and Ilarbor scrufce, Utlmanned
barges. Suitable hand or
power -operated pumps or syphons,
portable or fixed, carried either on
board the barge or on the towing vessel
shall be provided lor river and
harbor service on unmanned barges.
(cI Priming. Suitable means shall
be provided Jor priming centrHu gal
pumps.
(d ) Location. The power bilge
pumps shalt be located In separate
w£ltertlght comparunents where prac_
ticable. U watertight bulkheads separate
the engine and boiler rooms a
direct suction shall be fi tted to each
compa rtment unless the bilge pumps
are distributed throughout these compartments.
In which case at lea.'It one
pump In each compartment shall be
J'ltted with 0. direct suction In U.s
compartment.
(e) Other PIj/IlPS. SanlWuy, ballast.
and general service pumps may
be accepted as Independent power
bilge pumps If ntted with the necessary
connections to the bilge-pumping
system.
(f! Illdependellt power bilge
JlIll1Ip.~. The Independent power bilge
pumps required by paragraph \bl of
this section shall be capable of draw­
Ing the water throUgh their suction
pipes at a velocity of not less than 400
fect per minute under ordinary work_
ing conditions.
5. Se

about a proper balance between the
factors of safety at sea and this or·
derly reconversIon. VarIous orders
have been Issued since 1 March 1942
for the purpose of carrying out this
policy. While It is not the policy of
the CoaH Guard to countenance wll·
ful violations of the laws and regula·
tlons or negligence In meeting t he re·
qulrements thereof, n either Is It con·
templated that masters who exercise
aU reasonable etrorts to comply with
the requirements In effect be cited for
violations on technical grounds:.
P ART n. PIIOCEDURE FOR EFYEcnNG IN·
DtVlDUAL W A IVE~S 01" NAVlGATlON AND
INSPRCtlON LAWS

e made on the face of the COpy of
the application sent to Headquarters.
l'",RT m. CREW S HORTAe: E REPORTS RE­
QUIR£D UND£R R. S. 4483 ; FORM OF
RD'ORTINO
Ca ) R. S. 4463 (46 U. S . C. 222 )
provides, among other things. for the
establishment of a crew complement
for every vessel subject to the Inspection
laws. This complement sPCclfles
the number of ofll cers and 5e1Imen of
various ranks and ratlnlS considered
ntcessary to the sale navigation of
the vessel. Onder R. S. 4463. a vessel
for which a complement has been established
is prohibited from being
navlll'ated prior to the filling of such
complement by the signing on of the
full crew called for thereby, that 15, a
crew which meets the requlrement:~ of
the complement both as to number
and quality. Furthermore, that statute
requires such complements to be
tilled prior to the navigation or the
vessel after the eXpiration or each
period for which a lull crew Is signed
" ,
(b) Parts IV and V of this circular
explain general waivers of the requirements
of R. S. 4463 as to quality
of the crew but not as to the number
of the crew. There Is no waiver permitting
a vessel to be n avlaated with
less than the total number 01 crew
members specified In fIJI complement
and this sitUation Is governed by R. S.
4463.
(c) R. S. 4463 outllnes \.he conditions
under which a. vessel may be
navlll'ated in situations 'IIo'here the vessd
15 deprived of the services of any
number or her crew durlnll' the period
for which the lull crew hu been
signed on. In such cases If the vacancies
are ruled with replacements of
the same grade or a hlll'her rating the
vessel may, of course, continue to be
navigated just as though no vacancies
had occurred. She may be navigated
without all positions occupied by such
replacements only If (1) such services
were lost through desertion or casualty;
(2) such services were lost Without
the consent, lault, or collusion ol
the master, owner, or any othcr person
Interested In the vessel: (3 ) the
master was unable to obtain replacements
ol the same irade or ol a higher
rating to fill the vacant positions:
and, (4) it is Ule judgment oC the
master that the vesse] 15 sufllcienuy
manned.
(d) For purposes oC administration
of R. S. 4463, the terms "desertion or
casualty" shall be construed to Include
all circumstances beyond the control
of the muter, OIl/Tier, or any othcr person
Interested In the vessel whlch result
In crew vacancies.
(el In cases where a vessel which
has been deprived of the services of
Jlllr 1948
crew members through desertion or
casualty Is navigated with fewer crew
members on board than the complement
lor the vessel calls Cor , or with
replacements of lower grade or rat.­
lng, R. S. 4463 requires that the master
report such shortall'e and explain
the cause thereof In wrlUng to the
Ofllcer In Charge. Ma rlne Inspection,
within 12 hours of the arrival of the
vessel at her destination. No partic_
ular lorm 15 required by this statute
to be used In making such report.
(0 To reduce paper work and simplify
the filing of reports Coast Guard
Form CO '729 may be used. Muters
using this form must make appropriate
modification thereof to Indicate
that the report Is a shortage report
under R. S. 4463, enter thereon the
name and license or certificate number
of each member of the crew who
lelt the vessel, state the cause or the
shortage and the port at which It occurred,
certify that no replacements
of the slUlle grade or 01 a higher rat­
Inll' were obtainable and that In his
Judgment the vessel was sufllclenUy
manned, and file the same In duplicate
with \.he arncer In Charge, Marine
Inspection, within 12 hours of
the arrival of the vessel at her destination.
(g) Form CG 729 may be modified
to report crew shortages. Reports In
this form shan be accepted by the
Omcer In Charge. Martne I nspection.
This ofllcer shall forward one of the
copies filed with him to Headquarters
without delay.
The waiver dated April 12, 1946. In
document COFR 43-16. page 78, May
1946 Proceedings.
"AAT IV. CONDInONAL WAIVER or lIlAN­
NINe: R.EQUIREVENTS : ABLE SEAIIEN ON
OTHER nlA.N CREAT LAKES CARCO AtIlI
TANK VESSELS
(a) Is a conditional waiver of the
mannlnll' requirements lor merchanL
cargo and tank vessels other than
those navigating the Great Lakes.
(b) ThiS waiver has general application
to aU cargo and tank vesscls
other than those navigating the Oreat
Lakes. I ~ permlt.s holders of AB certificates
endorsed "any waters-12
months" to be employed In the crews
of cargo and tank vessels to the extent
01 the nonavallabillty oC fully Quallfled
AS's but not to exceed one-half
the number of able seamen required
on the vessel by Its Certificate of Inspection.
On the average vessel
wbere s ll't AB's are required thls wl11
mean that three 01 t.be six may be
hOlders of limited certiflcates Instead
Df one 01 the six allowed by law.
(c) No written reports of substitutions
made In crews pursuant to this
general waiver are required or a vessel's
m aster , owner , or operator .
Shipping Commissioners, however,
shall make a notation on the shipping
articles of all AB's signed on under
this general waiver. This notation
shall be made opposite tbe seaman's
name in the column entitled "capacity"
by adding "12 mos" under the
letters " AB."
(d I The requlremcnt in the waiver
order that reasonable efforts be made
to secure properly certificated AB's is
to be lIlerally construed. Wblle no
statement outlining these efforts Is required
the Coast Guard may require
a Justification for SUbstitutions in specific
cases, especially those wbere It
appears there has been a vlo\aUon of
the intent and purpose of the waiver
authority. In this connection attention
Is called to the penalty provision
contained In the waiver order.
(el It Is pointed out that all crew
substitutions on passenger vessels and
substitutions other than those specifically
authorized by Inclosure (4) and
eXplained In this Part may be made
only upon a pplication to and approval
by the Coast Guard District
Commander or hiS authorized representative
and on an Individual ship
basis In accordance with the procedure
out lined In Part D of this
Circular.
PART v. CONDITIONAL WAIVER OF lIlAN­
NINe: UQUJREJIIENTS : A8LE SL\MEN
AND QNED'S ON e: REAT LAKES VESSELS
(a ) The waivers dated April 12,
1948. In documents CGm 48-19 and
48-21, pages 79 and 80, May 1948 Proceedings,
are conditional waivers of
the manning requirements applicable
to Great Lak~ merchant carll'O and
tank vessels.
(bl The waiver order 10 CGFR
48-19 has genera l application to all
cargo and tank vessels navlgaUnll' the
Great Lakes. It permits certlficated
ordinary seamen who have served a
minimum or 8 months on deck at sea
or on the Great Lakes to be employed
In the crews 01 cargo and tank vessels
t.o the extent of the nonavallabillty
Of fully Qualified able seamen but not
to exceed one-half the numbcr 01 such
able seamen required on the vessel by
Its Certificate 01 Inspection. Certificated
ordinary seamen employed UD_
der this waiver are required to present
to the master of the vessel at the
time of being employed authentic evidence
of at least 8 months' service on
deck at sea or on the Great Lakes.
The evidence of tbls service 15 required
to be In the form of certificates
01 dlscharae or other properly authenticated
records of service which
show the name of the vessel or vessels
and the dates employed thereon. Entries
In continuous books or signed
records of service Issued to the man
by masters or operators of vessels
117

meet the requirements of this pro·
vision.
IC) The waiver contained In CGFR
48-21 is the waiver order which bas
general a pplication to a ll coal burn·
Ing merchant cargo and tank vessels
of the United States n avigating the
Great Lakes. It permits seamen who
are certlticated for other engine room
ratings to be employed as Q..."\IED In
the rating of tire man on coal burnlnil"
Oreat Lakes vessels to the extent of
t he nonavaiJability of fully qualified
QMED's In the rating of fireman.
Seamen substituted for QMED's un·
der this waiver must have served a
minimum of 3 months In the fireroom
or coal burning Great Lakes vessels
and such seamen must present to the
master of the vessel at the time of be·
Ing employed authentic evidence of
this 3 months' service. Certificate of
discharge. entries [n continuous dis·
charge books. and signed records ot
service Issued by masters or operators
showing the name ot the v~e l or ves~
sels and the dales employed thereon
will be acceptable.
Id) No written reports of subst.ltu·
tlOIlS made in crews of Oreat Lakes
vessels pursuant to the general walv·
ers are required of a vessel's master.
owner , or operator. The requirement
In these waiver orders that reasonable
en orts be made to secure properly
certificated AB's and Q.VIED·s Is to
be literally construed and the Coast
Guard may require nn explanation In
the form of a justifi cation for substl·
tutlons In speclflc cases, especially
those where It appears that there has
been a violation of the Intent and pur·
pose of the waiver authority. In this
connection attenUon Is called to the
penalty provision contained In the
waiver orders.
(el It Is pOinted out that all crew
substitutions on passenger vessels a nd
SUbstitutions other than those speclfl.
cally authorized by com 48-19 and
48-21. and explained In this Part may
be made only upon application to and
approval by the Coast Guard District
Commander or his authorized repre·
sentatlve and on an Individual ship
basis in accordance with the pro·
cedure outlined in Part II of thJs Clr·
cular.
PAn VI. EMPLOYJ,fENT OF Aurns AS
UNU CENSED CR EW MEMBERS OF SUB·
SllIlZED VESS£L5 : CONDITIONAL W,uVEI\
(a) The conditional waiver, dated
April 12. 1948. in document CGF'R
48-20, page 80, May 1948 Proceedings,
\..

Merchant Marine Personnel Statistics
MERCHANT MAR INE LICENSES ISSUED DU RING MAY 1948
D IW K on' lc ~: I\ S
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ENGINEER On"ICE n s
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O RIGINAL SEAMEN'S DO CUMENTS, ISSU ED MONTH O F MAY 1948
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' 12 mOllths. TURII.roIl (TOU 10lIl or "odor DOl c:&ITJ'lnr puangel"l.
"OT~._Col"m... 4 lb." .. ", 14 1nd1..t e~ ndor!