Carriage of ELTs
When an aircraft begins a flight it must carry an emergency locator transmitter (ELT):
When a flight is not required to carry a life raft.
The flight must be fitted with an automatic ELT or carry one survival ELT.
When a flight is required to carry a life raft.
The flight must be fitted with an automatic ELT and carry a survival ELT or carry at least two survival ELTs.
Note that there is a distinction between an automatic ELT and a survival ELT.
An automatic ELT activated automatically on impact.
A survival ELT is removable from the aircraft and is manually activated.
ELT – Basic Technical Requirements
An ELT is a transmittor that meets the following requirements:
- if the transmitter is activated the transmisttor must transmit simultateously on 121.5 MHz and 406 MHz; and
- the transmittor must be registered with the Australian Maritime Safety Authority (AMSA).