27. Alerting Service - ATM1 Flashcards

1
Q

Define Alerting Service

A

A service provided to notify appropriate organisations regarding aircraft in need of SAR aid and assist such organisations as required.

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2
Q

When shall Alerting Service be provided?

A
  • All aircraft provided with ATC service
  • To all other aircraft having filed a flight plan or otherwise known to the air traffic services
  • To any aircraft known or believed to be the subject of unlawful interference
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3
Q

3 possible phases of Emergency

A

Uncertainty Phase – INCERFA
Alert Phase – ALERFA
Distress Phase – DETRESFA

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4
Q

What is INCERFA?

A

Uncertainty Phase – INCERFA
A situation wherein uncertainty exists as to the
safety of an aircraft and its occupants.
- Commences

1: Earliest of no comms from/to aircraft 30 mins after:
a: time should have been received, or
b: first time unable to contact, or
2: Aircraft fails to arrive within 30 minutes of last notified ETA or estimated by ATSUs, whichever is later.

Except;
No doubt exists as to safety of aircraft
and occupants

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5
Q

What is ALERFA?

A

Alert Phase – ALERFA
A situation wherein apprehension exists as to
the safety of an aircraft and its occupants.

-Commences
1: After Uncertainty phase, further attempts
to establish comms or further inquiries fail to
reveal news, or
2: Aircraft cleared to land fails to land within 5
mins of landing estimate and comms not
regained, or
3: Information received indicating operating
efficiency of aircraft impaired, but not to
extent forced landing likely, or
4: Aircraft known or believed to be subject of
unlawful interference.

Except;
Evidence exists allaying apprehension to the
safety of aircraft an

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6
Q

What is DETRESFA?

A

Distress Phase – DETRESFA
A situation wherein there is reasonable
certainty that an aircraft and its occupants are
threatened by grave and imminent danger or
require immediate assistance.

  • Commences
    1: After alert phase, further attempts to
    establish comms more widespread inquiries
    point to the probability the aircraft is in
    distress, or
    2: Fuel on board considered exhausted or
    insufficient for aircraft to reach safety, or
    3: Info received indicating operating
    efficiency of aircraft impaired and a forced
    landing is likely, or
    4: Info received or reasonably certain aircraft
    has or is about to make a forced landing

Except;
Reasonably certain aircraft and occupants are
not threatened by grave and imminent danger
and do not require immediate assistance

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7
Q

Define Distress

A

A condition of being threatened by serious
and/or imminent danger and of requiring
immediate assistance.

MAYDAY MAYDAY MAYDAY

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8
Q

Define Urgency

A

A condition concerning the safety of an aircraft
or other vehicle, or of some person on board or
within sight, but which does not require
immediate assistance.

PAN PAN, PAN PAN, PAN PAN

PAN PAN, PAN PAN, PAN PAN Medical - Medical emergency in medical transport aircraft first call

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