Emergency Communications Flashcards
It is essential that communications in an emergency situation are ____________ and ____________
clear and concise.
How will pilots begin a transmission reporting an emergency?
MAYDAY [MAYDAY MAYDAY]
How will pilots begin a transmission reporting an urgency?
PAN PAN [PAN PAN PAN PAN]
How will ATC acknowledge a MAYDAY?
ROGER MAYDAY
How will ATC acknowledge a PAN PAN?
ROGER PAN
What is the emergency frequency?
121.5 Mhz
Initial response to an emergency message from ATC should include what?
- Reassurance that positive action for assistance is underway;
- Indication of the lowest safe altitude
- A request for the pilot to notify any change to the situation or intentions.
On first communication to the pilot [in an emergency], pass _________________ but do not _______________ the pilot
- appropriate information
- overload
Who is able to impose radio silence?
Only the aircraft in distress or the unit in control of distress communications is permitted to impose silence on any station which interferes with distress communications.
To whom should an imposition of radio silence be addressed?
The call should be addressed to ALL STATIONS or one station only, depending on circumstances.
What should a transmission imposing radio silence read?
STOP TRANSMITTING, MAYDAY
What does emergency code 7400 mean?
RPAS Lost Link
What does emergency code 7500 mean?
Unlawful Interference
What does emergency code 7600 mean?
Radio Failure
What does emergency code 7700 mean?
Emergency
Digital beacons will transmit signals on what frequency?
406 MHz
Analogue beacons (civil) will transmit signals on what frequency?
121.5 MHz
Civil pilots will monitor which emergency frequency?
121.5 MHz
When communications are lost pilots should do what?
Follow the communications failure procedure in ERSA Emergency
In the event of a loss of communications, ATC should base control on the understanding that aircraft will follow ERSA Emergency procedures unless: __________
- it is determined that the aircraft is following a different procedure;
- the use of electronic or other aids enables the position of each aircraft to be accurately determined, when control is based on this position data; and
- information is received that the aircraft has landed or resumed normal communication.
ATC and pilots must assume that transmissions are being received even if there is no response. How must they prefix their transmissions in this case?
TRANSMITTING BLIND
What information should be provided with a distress or urgency transmission?
- name of station addressed
- Callsign
- type of aircraft
- nature of the condition
- intention of the PIC
- present/last known position
- flight level/altitude
- heading
- any other useful information (endurance remaining, persons on board etc.)
