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alert phase
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gen.
Alarmstufe
f
tech.
Bereitschaftsstufe
f
(FS-Alarmstufe 2)
transp., avia.
Alarmstufe 2
;
Bereitschaftsstufe
f
English thesaurus
alert phase
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avia., avia., ICAO
A situation wherein apprehension exists as to the safety of an aircraft and its occupants
avia., Canada
A phase that begins when
a
following the uncertainty phase, the communication search has failed to reveal any news of the aircraft;
b
an aircraft has been cleared to land and fails to land within 5 min after the estimated time of landing and communication has not been re-established with the aircraft; or
c
information has been received that indicates that the operating efficiency of the aircraft has been impaired, but not to the extent that a forced landing is likely
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