Rnav NDB AND ADF

Using an NDB it is possible to experience which of the following errors or limitations?

• Coastal refraction, timing error and night effect

• Night effect, station interference and latitude error

• Night effect, station interference and lack of a failure warning system

• Coastal refraction, timing error and lack of a failure warning system

Which of the following are all errors associated with ADF:

• selective availability, coastal refraction, night effect

• night effect, quadrantal error, lane slip

• mountain effect, station interference, static interference

• selective availability, coastal refraction, quadrantal error

What gives the greatest error in ADF:

• Coastal effect

• Night effect

• Static interference from thunderstorms

• Quadrantal error

Which combination gives the greatest reduction in reliability of ADF:

• Station interference; Static interference; Lane slip

• Mountain effect; Station interference; site error

• Night effect; Static interference; Quadrantal error

• Nigh effect; Quadrantal error; Station interference

Which of the following may cause inaccuracies in ADF bearings?

• static interference, height effect, lack of failure warning

• station interference, mountain effect, selective availability

• coastal refraction, slant range, night effect

• lack of failure warning, station interference, static interference

With a transmission from an NDB aerial, the ___ component travels in the ___ plane and the signal is ___ polarised.

• magnetic; horizontal; vertically

• electrical; horizontal; vertically

• electrical; vertical; horizontally

• magnetic; vertical; horizontally

When receiving an NDB signal on an ADF receiver the BFO can be selected OFF for the:

• tone signal on N0NA1A

• ident signal on N0NA1A

• tone signal on N0NA2A

• ident signal on N0NA2A

When considering the propagation of ADF transmissions night effect is most pronounced:

• at dusk and dawn

• during the long winter nights

• at or near the coast

• when flying at low altitude

An NDB signal crossing from land to sea will ___ speed and bend ___ the normal

• decrease, towards

• increase, towards

• decrease, away from

• increase, away from

When ADF equipment which incorporates a sense aerial and a loop aerial is tuned to a NDB and the loop aerial is rotated so that a sharp null is found the aerial is:

• either at right angles or in line with the incoming signals

• in line with the incoming signals

• at right angles to the incoming signals

• aligned with the aircraft nose