曝光台 注意防骗
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Any other useful information
Station Call-sign (time and circumstance
permitting)
ACFT Identification (said 3 times)
Nature of Distress
Intention of person in Command
Present position, level and heading
Any other useful information
1.1.1 If no answer to distress/urgency, call/message, use the following appropriate frequencies,
broadcasting before changing to the next selected frequency.
a. Any other aeronautical en route frequency.
b. 121.5 MHZ or 243.0 MHZ (R/T): International and Military emergency.
c. 5696 USB DCSA HFCS distress frequency.
d. 4125, 6215 and 8291 KHZ (R/T, USB): Australian coastal/ship.
e. 3023 and 5680 KHZ.World wide A/G frequencies.
f. 2182 KHZ (R/T): International small ships. DF available.
1.2 Notification of Emergency Using Datalink
1.2.1 Depending on the nature of the emergency condition experienced, flight crew should
notify ATS of the circumstances by the most efficient means (voice or data link).
1.2.2 If a CPDLC MAYDAY or PAN message is received by the ground system, the controller
will respond with the free text uplink message ROGER MAYDAY (PAN). The controller
will not expect a ROGER response to the uplink until being notified that the emergency
situation has been cancelled or stabilised to the extent that messages are able to continue
being exchanged (if data link is considered to be the best communications medium for
the situation).
1.2.3 If the emergency situation no longer exists, the pilot should cancel the ADS emergency
mode (if activated).
1.3 Imposition of Silence
1.3.1 Only the ACFT in distress or the unit in control of distress communications is permitted
to impose silence on any station which interferes with distress communications. The call
should be addressed to ALL STATIONS or one station only, depending on circumstances.
The call should be as follows:
"STOP TRANSMITTING; MAYDAY"
1.4 Alerting Radar Unit (MIL OPS only)
1.4.1 If in emergency within coverage of a radar unit and unable to make radio contact with
any ATS unit and outside civil controlled airspace, the radar unit can be alerted as follows:
a. Switch transponder to emergency, squawk mode 3A, code 7700.
b. Continue attempts to make communications and monitor the appropriate frequencies
(see communications failure instructions for appropriate frequencies).
1.4.2 Fly applicable pattern shown below.
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EMERGENCY PROCEDURES 24-Nov-2005 EMERG - 1
1 min TAS 300 KT +
2 min TAS 300 KT -
RECEIVE ONLY
TURNS SHOULD BE AS
SHARP AS POSSIBLE
THROUGH 120 °
TURNS SHOULD BE AS
SHARP AS POSSIBLE
THROUGH 120 °
1 min TAS 300 KT +
2 min TAS 300 KT -
NO TRANSMIT OR RECEIVE
1.4.3 If adopting this procedure :
a. fly at best endurance speed;
b. complete at least two patterns before resuming heading;
c. make turns as tight as practicable;
d. attempt to maintain VMC to facilitate interception by a shepherd aircraft; and
e. at night or in VMC, turn on navigation and anti-collision lights.
1.5 Communication Failure
1.5.1 In the event of communications failure, maintain terrain clearance throughout all
procedures.
1.5.2 Indications by an Aircraft:
a. In Flight
(i) during the hours of daylight - by rocking the aircraft's wings; and
NOTE:This signal should not be expected on the base and final legs of the approach.
(ii) during the hours of darkness - by flashing on and off twice the aircraft's landing
lights or, if not so equipped, by switching on and off twice its navigation lights.
b. On the Ground
(i) during the hours of daylight: by waggling the aircraft's ailerons or rudder; and
(ii) during the hours of darkness: by flashing on and off twice the aircraft's landing
lights or, if not so equipped, by switching on and off twice its navigation lights.
1.5.3 If VFR in Class G Airspace
a. Remain in VMC.
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EMERGENCY PROCEDURES 24-Nov-2005 EMERG - 2
b. Broadcast Intentions (assume transmitter is operating and prefix calls with
"TRANSMITTING BLIND").
c. Remain VFR in Class G airspace and land at the nearest suitable aerodrome.
d. Report arrival to ATS if on SARTIME or reporting schedules (SAR telephone number:
1800 815 257).
1.5.4 If in Controlled/Restricted Airspace or if IFR in any Airspace:
a. Squawk 7600
b. Listen out on ATIS and/or voice modulated NAVAIDs.
c. Transmit intentions and make normal position reports (assume transmitter is operating
and prefix calls with "TRANSMITTING BLIND").
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