Originally Posted by
Alber Ratman
The jet pipe for the core of the engine is a lightweight thing, held on by a few toggle latches.
That's just a fairing to continue the profile of the engine cowls. The actual jetpipe is heavier and attached by a ring of bolts and nuts.
I do know of one BAe 146 that flew back to base after heavy maintenance with all four fairings stowed in the cargo bay. No damage apart from red faces.