Emergency Locator Transmitter (ELT) Signals Flashcards
(G:Emergency Locator Transmitter)
What is an ELT
A radio transmitter attached to the aircraft structure which operates from its own power source on 121.5 MHz and 243.0 MHz. It aids in locating downed aircraft by radiating a downward sweeping audio tone, 2-4 times per second. It is designed to function without human action after an accident
(10-1-4)
The ARTCC must be responsible for receiving and relaying all pertinent ELT signal information to:
The appropriate authorities.
(10-2-5)
Who do you have to inform if an ELT is heard?
ARTCC
(10-2-10)
What do you do when an ELT is heard?
> notify the ARTCC which will coordinate with the RCC
> attempt to obtain fixes or bearings on the signal
> solicit the assistance of other aircraft known to be operating in the signal area
> forward fixes or bearings and any other pertinent information to the ARTCC
> when the ELT signal strength indicates the signal may be emanating from somewhere on the airport or vicinity thereof, notify the on-site technical operations personnel and the ARTCC for their action.
> air traffic personnel must not leave their required duty stations to locate an ELT signal source
> notify the ARTCC if signal source is located/terminated
(AFI 13-204v3: 7.18.1)
ATC personnel will normally handle an unscheduled personnel, emergency or crash locator beacon signal as:
An emergency, regardless of duration.
(AFI 13-204v3: 7.18.2)
Operational testing of a personnel, emergency, or crash locator beacon may not require a response when it is:
Within the first five minutes of the hour and is no longer than three audio sweeps
(AOI 13-204: 6.8)
Upon receipt of an ELT signal, tower will notify RAPCON, who will notify:
ZMP and command post.
(AOI 13-204: 6.8)
Upon termination or after locating the source of the ELT, tower shall notify RAPCON, who will notify:
ZMP and command post
