Bailey Moyes 912 Dragonfly, Maintenance Manual

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Installations must be made by qualified personnel in accordance with FAA regulations. Duplicating a previous
installation may not be acceptable. Refer to the Department of Transportation Regional ACO for detailed
information.
Please refer to FAA AC 43.13 for guideline.
QUICK OPERATION CHECK
Note: Refer to Appendix A.1 for Quick Operation Check in sequence order.
1. ELT Main Switch @ ON position: ELT swept Tone must be heard on the VHF Radio @121.5 MHz. The 2 LEDs
flashing (4 sec OFF, 1 second ON), synchronized with the Buzzer sound (4 sec OFF, 1 sec ON).
2. ELT Main Switch @ ARM position: Both LED Lights and Buzzer must illuminate and sound for 4 sec, then
extinguish.
This is to make sure LED and Buzzer are properly powered. Note: Press RESET anytime to turn off unwanted
transmission.
The ELT will then automatically enter Self test mode. Self test takes 25 sec. If ELT Self test is passed, No light
illuminate, no buzzer sound.
If ELT malfunctions, the LED Lights and buzzer will show 1 flash or 2 flashes, or 3 flashes or 4 flashes etc. Refer to
Operation Manual paragraph 2.4.4 for details.
Next, in order to check G Switch, Throw the ELT forward and backward, 2-3 times, the ELT must activate, ELT
swept Tone must be heard on the VHF Radio @121.5
MHz. The 2 LED lights flashing (4 sec OFF, 1 sec ON), synchronized with the
Buzzer sound (4 sec OFF, 1 sec ON).
Next, Press either RESET Button, no ELT swept tone heard on the 121.5 MHz VHF
radio. Both LED Lights and Buzzer must be extinguished.
Next, Press the ON Switch on the Remote Switch Unit, ELT swept Tone must be heard on the VHF Radio @121.5
MHz. The 2 LED lights flashing (4 sec OFF, 1 sec ON), synchronized with the Buzzer sound (4 sec OFF, 1 sec ON).
3. For normal operation, leave the ELT Main Switch @ ARM position at all times.
No ELT swept tone heard on the 121.5 MHz VHF radio. No LED light illuminates, No buzzer sound.
Detail Operation Check:
1 Monitor 121.5 MHz using the Aircraft Communication Receiver or a Portable Hand Held Receiver.
Important: The Squelch must be turned all the way UP (Max) to hear he sweep tone on most receivers.
2 Place the Main Switch on the front of the ELT Main Unit in the “ON” position and verify that the Audio Sweep
Tone can be heard on the COM Radio. Verify that both the Green ON lights (Red Light for AK-450) located on the
ELT Main Unit and the ELT Remote Unit are flashing. Verify the buzzer is heard…at a flash rate and a beeping
sound of 1 second ON, 4 seconds OFF.
Place the Main Switch in the “OFF” position. Verify that the Audio Sweep
Tone is ceased and the two Green ON lights (Red Light for AK-450) are extinguished.
3 Place the Main Switch on the ELT Main Unit in the “ARM” position.
Wait for 25 seconds.
While seated at the Pilots normal operating position, press the “ON” button on the Remote Switch Unit. Verify that
the Green (Red Light for AK-450) ON lights is flashing, and a beeping sound at a rate of 1 second ON, 4 seconds
OFF and is readily
visible from the Pilots operating position. Verify that the Audio ELT Sweep
Tone can be heard on the Com Receiver.
Push the “RESET” button on the Remote Unit. Verify that the Audio ELT Sweep Tone is ceased. Verify the two
Green “ON” lights are extinguished and the buzzer sound is silent. (Red Light for AK-450)
Note: Always perform the tests within the first 5 minutes of the hour. Notify any nearby control tower of your
intensions, in accordance with AC 43.13-2B, Section
Note 3. If outside of the US, always follow all local or national regulations for
testing of ELT's.
Warning!
Do not allow test duration to exceed 5 seconds. Any time the ELT is activated it is transmitting a 121.5 MHz
distress signal. If the unit operates for approximately 50 seconds, a "live" 406 MHz satellite distress signal is
transmitted and is considered valid by COSPAS-SARSAT satellite system.
Appendix F Page 6