The phenomenon of coastal refraction which affects the accuracy of ADF bearings

can be minimised by taking bearings where the signal crosses the coastline at right angles.

can be minimised by using beacons situated well inland.

is most marked one hour before to one hour after sunrise and sunset.

An aircraft is intending to track from NDB 'A' to NDB 'B' on a track of 050 °(T), heading 060 °(T). If the RBI shows the relative bearing of'A' to be 180° and the relative bearing of'B' to be 330° then the aircraft is

Starboard of track and nearer ' B'.

Starboard of track and nearer 'A'

b) the aircraft's major electrical axis, the fuselage, reflecting and re-radiating the incoming NDB transmissions.

static build up on the airframe and St. Elmo's Fire.

c) station interference and/or night effect.

d) NDB signals speeding up and bending as they cross from a land to water propagation path.

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1The phenomenon of coastal refraction which affects the accuracy of ADF bearings
1. Ais most marked at night.
2. Bcan be minimised by using beacons situated well inland.
3. Ccan be minimised by taking bearings where the signal crosses the coastline at right angles.
4. Dis most marked one hour before to one hour after sunrise and sunset.
2An aircraft is intending to track from NDB 'A' to NDB 'B' on a track of 050 °(T), heading 060 °(T). If the RBI shows the relative bearing of'A' to be 180° and the relative bearing of'B' to be 330° then the aircraft is
1. APort of track and nearer ' A'.
2. BPort of track and nearer ' B'.
3. CStarboard of track and nearer 'A'
4. DStarboard of track and nearer ' B'.
3ADF Quadrantal Error is caused by:
1. Astatic build up on the airframe and St. Elmo's Fire.
2. Bb) the aircraft's major electrical axis, the fuselage, reflecting and re-radiating the incoming NDB transmissions.
3. Cc) station interference and/or night effect.
4. Dd) NDB signals speeding up and bending as they cross from a land to water propagation path.
4am i good
1. AVerdadero
2. BFalso
5My name is [blank_start]Jyoti[blank_end]
1. AJyoti
6I taech at [blank_start]QAC[blank_end]
1. AQAC

Descripción: AVIATION Test sobre Sample 1 28012019, creado por Jyoti Prasad Gayan el 28/01/2019.
Autor: Jyoti Prasad Gayan
Idioma: English
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Etiquetas: firstaviation
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