When buying an aircraft, a pre-buy inspection is always recommended. A good maintenance shop or engineer will be able to see much of the aircraft’s history, how it was maintained and what repairs have been done and how they have been done. Besides an engine and airframe inspection, it is also important to the inspection of the paperwork with the aircraft. You want to be sure all applicable AD’s have been addressed. It would also be in your interested to know which optional service bulletins are performed, why they aren’t performed. Avionics installations, can be a significant part of the aircraft value, yet it is often overlooked during pre-buy. While…
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Post #3 – Failure during test…but not in real world usage
How is it possible that during the avionics and pitot-static test, equipment may fail without any previous known incidents? For starters: Certification specifications are follow more demanding rules compared to some operational requirements. This is done to help detect and rectify issues before they can ever become an issue. Example #1 Some transponders have a significant amount of drift. If the unit exhibits drift slightly out of the design tolerances, the unit will still function normally. Such unit will fail the avionics test due to the drift being out-of-spec. The transponder can be corrected or repaired to ensure proper function during flight. Example #2 While slightly off of the allowable…
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Post #2 Test 09999
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