To w....r :
Quote : "to my favorite strawberry type
if the APU is delivering "plenty of ducktpressure" you dont have to perform a ground air start. its performed when the APU does´nt deliver pressure"
Never said groundair is to enhance ductpressure when APU in use, was the other bloke.
Secondly : check the spelling on my previous post and see where you go wrong...
Thirdly : B-HKD was only asking, when to twiddle with the knobs. Suggest you check who writes what...
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