Originally Posted by
mnjmc
Just trying to find some info on the why a gas turbine engine might fail to stabilise at idle on start-up, and what actions a pilot should take if it occurs. Thanks in advance!
Why? Many reasons:
Excessive tailwind
Excessive crosswind
Insufficient starter speed (duct air pressure low, bad APU, bad starter cart, too many packs on)
Starter valve cutout too soon
Too much/ too little fuel
Engine contamination (ice)
Engine damage
I’m sure I’ve forgotten another half dozen or so.
Usually the same or similar pilot action:
Fuel OFF and motor to get rid of any excess heat.