AIRCRAFT
Equipment/Furnishings
DA 42 NG AMM
Page 216
15 Mar 2018
25-60-00
Doc # 7.02.15
Rev. 4
7. ELT Functional Test
Note:
Do this test only in the first 5 minutes of each hour. If you are at a location with a
control tower or other monitoring facility, tell them before you do the test.
Note:
For maintenance done to FAR 91 (airplanes registered in the USA) an additional
functional test of the ELT is required. Refer to FAA Action Notice 8150.3 for more
data.
Detail Steps/Work Items
Key Items/References
(1)
Set the ELECT. MASTER switch to ON.
(2)
Set the AV MASTER switch to ON.
(3)
Set the communications radio to receive
121.50 MHz.
WARNING:
DO NOT OPERATE THE ELT FOR MORE THAN 5 SECONDS. IF YOU
OPERATE THE ELT FOR MORE THAN 5 SECONDS THE ELT WILL
TRANSMIT AN EMERGENCY SIGNAL TO THE SATELLITE
MONITORING SYSTEM. THE SATELLITE MONITORING SYSTEM
WILL REACT TO THE ELT SIGNAL AS IT WOULD TO A VALID
EMERGENCY SITUATION.
(4)
Set the ELT RCPI to ON for about 3 sweeps of
the receiver (approximately 1 second). The test
MUST NOT last longer than 3 audio sweeps!
The LED in the RCPI must illuminate.
(5)
Monitor the communications receiver for the
ELT sweep tone.
(6)
Set the ELT RCPI switch to ARM.
The LED should switch off within 1 sec.
If the LED switches off and then flashes
it indicates that there is a fault with the
ELT system. Refer to the ELT
manufacturer’s manual for more data
about ELT fault diagnosis.
(7)
Set the AV MASTER switch to OFF.
(8)
Set the ELECT. MASTER switch to OFF.
Summary of Contents for DA 42 NG
Page 933: ...AIRCRAFT DA 42 NG AMM Fuel Doc 7 02 15 Rev 4 28 TITLE Page 1 15 Mar 2018 CHAPTER 28 FUEL ...
Page 1459: ...AIRCRAFT DA 42 NG AMM Lights Doc 7 02 15 Rev 4 33 TITLE Page 1 15 Mar 2018 CHAPTER 33 LIGHTS ...
Page 1711: ...AIRCRAFT DA 42 NG AMM Doors Doc 7 02 15 Rev 4 52 TITLE Page 1 15 Mar 2018 CHAPTER 52 DOORS ...
Page 1853: ...AIRCRAFT DA 42 NG AMM Wings Doc 7 02 15 Rev 4 57 TITLE Page 1 15 Mar 2018 CHAPTER 57 WINGS ...
Page 2071: ...AIRCRAFT DA 42 NG AMM Engine Doc 7 02 15 Rev 4 72 TITLE Page 1 15 Mar 2018 CHAPTER 72 ENGINE ...
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