When does an engine fail
The following 4 users liked this post by Capt Fathom:
Xeptu:
Bloody hell, for me 42 years and 22000 hours, and I thought I'd had a lucky career, but (in chronological order):
Comanche 400 - engine failure in the run-up bay
Cessna 205 - engine failure immediately after t/off
Baron - engine failure on initial climb out
- engine failure in cruise
Queen Air - engine failure in cruise
- engine failure in the circuit
Fokker F27 - engine fire on t/off
- engine failure (auto-feather) in cruise
B737 - precautionary shut down in cruise
B747-200/300 - engine failure just before V1
- precautionary shut down towards top of climb
- engine failure in cruise (the same flight as above!)
B747-400 - engine failure in cruise
- precautionary shut down on descent
Lear 45 - engine failure on t/off
Chipmunk - engine failure in the training area.
What have I been doing wrong?
40 years 21000 hours
No jet engine failures or shut downs
No Piston engine failures
2 turbo prop failures one catastrophic and one flame out fuel control unit issue
2 turbo prop precautionary shutdowns, both oil pressure related issues.
Never on Takeoff
3 in the cruise above 10000ft
1 flameout on approach to land.
1 electronic propellor control failure, no shutdown required
1 loss of hydraulic fluid requiring alternate gear extention, stop on runway and towed to the gate. plenty of notice and preplanning enroute.
No jet engine failures or shut downs
No Piston engine failures
2 turbo prop failures one catastrophic and one flame out fuel control unit issue
2 turbo prop precautionary shutdowns, both oil pressure related issues.
Never on Takeoff
3 in the cruise above 10000ft
1 flameout on approach to land.
1 electronic propellor control failure, no shutdown required
1 loss of hydraulic fluid requiring alternate gear extention, stop on runway and towed to the gate. plenty of notice and preplanning enroute.
Comanche 400 - engine failure in the run-up bay
Cessna 205 - engine failure immediately after t/off
Baron - engine failure on initial climb out
- engine failure in cruise
Queen Air - engine failure in cruise
- engine failure in the circuit
Fokker F27 - engine fire on t/off
- engine failure (auto-feather) in cruise
B737 - precautionary shut down in cruise
B747-200/300 - engine failure just before V1
- precautionary shut down towards top of climb
- engine failure in cruise (the same flight as above!)
B747-400 - engine failure in cruise
- precautionary shut down on descent
Lear 45 - engine failure on t/off
Chipmunk - engine failure in the training area.
What have I been doing wrong?
Dora-9, engine failure in a Comanche 400 is impressive, It proves you got it started, something I always had trouble with!
I've had plenty of engine failures, all at V1 in the simulator. I am firmly convinced that's where they are supposed to fail, hundreds of check captains could not possibly be wrong.
I've had plenty of engine failures, all at V1 in the simulator. I am firmly convinced that's where they are supposed to fail, hundreds of check captains could not possibly be wrong.
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Note to self: Don't go flying with Dora-9. ![EEK!](https://www.pprune.org/images/smilies/eek.gif)
(Just kidding. Dora walked away from that lot!)
![EEK!](https://www.pprune.org/images/smilies/eek.gif)
(Just kidding. Dora walked away from that lot!)
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I always kept a wary eye on engine parameters for the first minute following power reduction after takeoff and top of descent. Once had the gearbox seize on a T56. Quite un dramatic until I thought about it later.
No one has answered the basic question.
When does the engine fail?
When the noise stops!
When does the engine fail?
When the noise stops!
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If there is any doubt, shut it down. To not do so "will" take you into the danger zone.
My own litany of engine failures:
DC 3: Number 8 cylinder detached during climb. Again, a few weeks later, number 8 cylinder (different aircraft) in cruise. Next - Loss of oil pressure (caught it before actual failure, but bearings were gone, with metal through engine). On another occasion propeller over speed (broken governor)
Heron (Gypsy Queen engines): oil pressure (caught it, no damage) broken line
F27: Gearbox failure in cruise - required shutdown to protect engine. Engine fire just after V1 - combustion chamber exploded
Bae146: Loss of oil due loose fitting (shut down early, no damage). Loss of oil due bearing seal failure (shut down based on abnormal low temperature- no major damage). Bird strike at idle thrust during landing (trashed engine, even though speed relatively low)
CV580: Generator overheat, required shutdown as cooling precaution . Next flight, same aircraft, other side same problem (due to naughty maintenance practices). Over PNG highlands at time, so continued to run engine to get clear, totally destroying generator in process. A satisfactory outcome all round!