Flight Instructors Training Procedures _revised AIC_x

1. AIM
LESSON 7
INTRODUCTION TO NAVIGATION AIDS
The aim of this lesson is to introduce the student to the ADF and the VOR.
DEFINITION
The VOR and ADF are used to assist the student in fixing a position and as homing aids while flying at
night.
2. WHAT THE INSTRUCTOR IS TO TEACH (Briefing of 1:00 hr.)
i. How the ADF and VOR work.
ii. How the ADF and VOR can be used as homing aids.
iii. How to use the ADF and VOR to fix a position.
iv. Various limitations and errors of the ADF and VOR. e.g. VOR line of sight and scalloping, ADF
night effects, mountain effect and coastal effect.
v. STRESS THAT NO AID SHOULD BE USED WITHOUT IDENTIFYING THE STATION!
vi. An introduction to Radio Navigation Charts i.e. Jeppesen, Aerad and AIP charts.
3. WHY IT IS BEING TAUGHT
To enable the student to work out where he is in flight using the instruments in the aircraft and based
on this information ensure that he is at or above the minimum safe altitude for the area.
4. THE AIR EXERCISE
i.
ii.
iii.
START AND TAXY
ATC CLEARANCE
CLIMB AND CRUISE
) ,
i. This is as in earlier lessons.
i. Include homing to an ADF or VOR station.
Ensure that the station is tuned and
identified before departure where possible,
i.e. the VOR cannot always be received on
the ground.
i. Have the student tune and identify an NDB
station. Then have the student home
towards the station.
ii. Have the student tune and identify a VOR
station and home towards it.
iii. Once the student is proficient at these
exercises take control of the aircraft and
teach the student how to fix his position
using two VOR’s or ADF’s or a
combination of the two.
iv. Once the student has mastered the basic
steps required to fix the position of the
aircraft, hand control of the aircraft back to
him and allow him to practice fixing his
position whilst flying the aircraft.
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