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Old 10th Mar 2016, 01:43
  #32 (permalink)  
Ex FSO GRIFFO
 
Join Date: Apr 2004
Location: Up The 116E, Stbd Turn at 32S...:-)
Age: 82
Posts: 3,096
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Question -
Does one need an 'engineering order' to fit a 'slide in replacement' transponder?

i.e. the Trig TT31 Mode S is touted as "fitting the same mounting tray as the popular KT76A/C..."
No EO req'd to slide in another unit surely...???

Or is the EO for a possible new antenna?
Why would not the new antenna simply fit into the hole where the 'old one' was?
EO req'd..???

And if there is a cable connection from the present installed GPS unit in the aircraft, does this not supply a sufficient GPS info to the txpdr? (VFR acft.)

I know this is PPRuNe, but 'sane / intelligent' answers only pleeeze, I'm getting too old for this crap....!!!

Cheers
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