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The answers to last weeks questions (15Nov -01 Dec) are:
1:C 2:C 3:B 4:C 5:C
The answers to this months five questions will be posted on the 15 January 2001.

Test your knowledge and let us know your ratings and what you think of the questions!

1. The signal which, when directed from an aerodrome at an aircraft in the air shall constitute an instruction to the aircraft to give way to other aircraft and continue circling is
a) an intermittetd green beam
b) a continuous red beam
c) an intermittent red beam

2. The conditions most favourable for the formation of radiation fog are

a) warm, moist air over low, flat land areas on clear, calm nights
b) warm, moist air moving over a cold surface
c) cold air moving over a warm surface

3. The characteristics of unstable air are

a) turbulence and good surface visibility
b) turbulence and poor surface visibility
c) smooth conditions and good surface visibility

4. Clear ice forms as a result of

a) water vapour turning directly into ice
b) small supercooled water droplets freezing, almost instantaneously
c) large supercooled water droplets spreading as they freeze

5. Density altitude is equal to

a) the true altitude corrected for temperature
b) the indicated altitude when the altimeter sub-scale is set to QNH
c) the pressure altitude corrected for temperature

For more information on study notes contact:
Aeronav Academy

Tel: /6592810

Fax:

P O Box 409, Ferndale, 2160

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