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8.4 Message Verification
Ensure the information transmitted on the long message is accurate. If GPS is installed you must
power the system for 10 minutes. This should be done in the aircraft using a WST or equivalent.
Information received should include:
•
Check to ensure the 406 MHz signal bursts approximately every 50 seconds
•
Ensure the duration is 520 ms in duration
•
Serial Number or
•
Tail Number or
•
24-Bit Aircraft Address
Perform the basic test as follows:
•
This test is performed without external power being applied
•
Install test coax from transmitter to test set
•
Turn on the 406 ELT by cycling local or remote switch from ARM to ON
•
After first burst reset system by pressing the reset button once.
•
Verify that the information being transmitted matches information on the tag
•
Country Code
•
Hex Code
•
Reconnect aircraft antenna and make the appropriate entry into the maintenance records
Perform the ELT/GPS test as follows:
•
Move aircraft outside to allow GPS to receive GPS satellite information
•
Install test coax from transmitter to test set
•
Turn on aircraft power and allow GPS 10 minutes to stabilize
•
Turn on the 406 ELT by cycling local or remote switch from ARM to ON
•
After first burst reset system by pressing the reset button once.
•
Verify that the information being transmitted matches information on the tag
•
Country Code
•
Hex Code
•
Verify GPS information is correct to a know standard within 500 meters
•
Reconnect aircraft antenna and make the appropriate entry into the maintenance records
8.5 Corrosion Inspection
Emerging Lifesaving Technologies ELT is designed and tested to the highest environmental
testing standards. The unit is made out of a specially designed polycarbonate that is resistant to
the harshest applications in aviation today. The unit is sealed and should not allow moisture or
most chemical or fluids to infiltrate the system.
Regular (annual) inspections should be made of the outside of the units. While it is very
unlikely, IF ANY deterioration or corrosion is found, a more detailed inspection is warranted.
Return the unit to the manufacturer for inspection.
Содержание ELT406GPS
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