New emergency locator technologies

New Emergency Locator Technologies They're here! By Bob Chambers and Bryan Chambers March 1998 Congress mandated emergency locator technology (ELT) carriage as an aid to search and rescue operations in an amendment to the 1970...


How detailed should your inspection be? The same reference quoted above states five essential tests:
1. The measured peak power after 3 minutes of operation.
2. The measured frequency after three minutes of operation.
3. The audio modulation, which shall be recognizable as a typical ELT signal.
4. The measured current draw in the "OFF" (ARM) position and in the "ON" position as specified by the ELT manufacturer.
5. The automatic activation system.

To comply with the above quoted FAA and Canadian DOT regulations, the maintenance procedures in the following graphic insert should be followed.

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