Interagency Single Engine Air Tanker Operations Guide - National ...

INTERAGENCY SINGLE ENGINE AIR TANKER OPERATIONS GUIDE
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Main ridge: Prominent ridge line separating river or creek drainage. Usually
has numerous smaller ridges (spur ridges) extending outward from both sides.
Can be confusing if not covered in orientation.
May day: International distress signal/call; when repeated three times, it
indicates imminent and grave danger and that immediate assistance is required.
Maximum ferry range: Greatest distance that an airplane can travel in air
speed miles under unloaded optimal working speed and working radius flight
conditions.
Message center: Part of the Incident Communications Center and collocated or
placed adjacent to it. It receives, records and routes information about resources
pertaining to the incident, resource status and administration and tactical traffic.
MOA: A military operations area (special use area) found on aeronautical
sectional charts.
Mobilization center: An off-incident location at which emergency service
personnel and equipment are temporarily located pending assignment, release, or
reassignment.
Modular airborne firefighting system (MAFFS): A pressurized selfcontained
retardant system for use in Lockheed C-130 military aircraft.
Mop-up, dry: A method in which burning materials are extinguished without
water.
Mop-up, wet: A method in which burning materials are extinguished with
water, or in combination with water and soil.
MSL: Mean sea level.
MTR: A military training route found on aeronautical sectional maps and
AP/18 maps; routes accommodate low-altitude training operations -- below
10,000 feet MSL -- in excess of 250 KIAS.
Multi-agency coordination (MAC): A generalized term which describes the
functions and activities of representatives of involved agencies in a geographic
area who come together to make key decisions regarding the prioritizing of
incidents and to share the use of critical resources. A MAC organization is not
part of the ICS and is not involved in incident strategy or tactics.
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