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An aircraft experiencing radio communication failure on an IFR flight in IMC has to hold over the designated navigation aid serving the destination aerodrome…

  • A
    for 5 minutes in any case.
  • B
    until the expected approach time last received and acknowledged.
  • C
    for 3 minutes, if an expected approach time has not been acknowledged.
  • D
    until 10 minutes after the expected approach time last received and acknowledged.
Several questions check whether you understand when you can commence descent and land. Remember that you must hold over the designated navigation aid serving the destination aerodrome until the EAT (expected approach time) last received and acknowledged and commence descent as close as possible to EAT. In case no EAT has been received and acknowledged, you have to commence descent as close as possible to the ETA (estimated time of arrival) resulting from the current flight plan. Also you must pay attention to the fact that you must land if possible within 30 minutes after ETA (but not before ETA, i.e. not earlier than planned) or the last EAT whichever is later. Basically, you must memorise the items ETA, EAT and plus 30 minutes.

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