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Old 26th Apr 2014, 17:38
  #10313 (permalink)  
susier
 
Join Date: Apr 2014
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Regarding the fixed ELT, which according to the CNN article was the same type as was fitted incorrectly to the 737 which crashed in Resolute Bay in 2011. (Honeywell RESCU 406 AF-type)


From the accident investigation report:


'1.15.2. Emergency locator transmitter


There was no record of any agency detecting an emergency locator transmitter (ELT) signal from the aircraft. The investigation determined that the ELT had been installed with the activation switch in the OFF position and therefore could not automatically transmit upon impact. The cable leading from the ELT to its antenna was severed on impact, which would have significantly reduced the transmission signal had the ELT been armed. It was also determined that the aircraft interface module (dongle) contained the identifier code from the previous aircraft on which it was installed. Having the incorrect identifier programmed in the ELT would not have prevented it from performing as designed, but it would have indicated to Search and Rescue that a different aircraft was transmitting an emergency signal.'
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