Emergency phases in time sequence 15 Nov12

DOUBT exists of aircraft’s safety

APPREHENSION exists of
aircraft’s safety

REASONABLE CERTAINTY
that the aircraft is in danger

Departure after a call notifying
readiness to taxi or take-off

Departure after an airborne call

Position or scheduled report,
including NOCOM cancellation
time or OPS NORMAL time

After a frequency change

In reply to a call by a ground
station, when listening watch is
required

Arrival at a non-controlled
aerodrome

Arrival or departure having
nominated SARTIME

After subsequent
communication checks and
enquiries to other relevant
sources fail to reveal news of the
aircraft

After widespread
communication checks and
unsuccessful enquiries indicate
probability that the aircraft is in
distress

The pilot of a radio-equipped aircraft at a controlled aerodrome after having been given approach or landing instructions or information by ATC at its landing place.

Impaired operating efficiency
having difficulty in maintaining
height, or may have difficulty in
making a normal approach and
landing

Major impaired operating
efficiency - forced landing likely

VMC flights operating in IMC,
or daylight flights operating at
night

Not on proper track or at proper level
Unable to use appropriate navigation aids
Experiencing navigational difficulties or is lost

Fuel is exhausted (unless
SARTIME notified)

BOMB WARNING

That an aircraft for which flight
notification has not been
lodged is missing

That a pilot is about to, or has,
force landed, ditched or
crashed

That a pilot is about to, or has, made a landing other than a forced landing:
a. where the position is in doubt
b. on an unprepared surface
c. at an aerodrome (in the case of helicopters, a landing area) which is considered by the pilot as being operationally unsuitable

That a radio survival beacon
has been activated for a period
greater than 10 seconds

That an aircraft is known or believed to be the subject of unlawful interference (hijack)