RMIT飞行训练课件－Stalling Pre Flight 失速训练飞行前

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Stalling
Pre Flight
Objective
• To be able to recognise the usual symptoms
leading up to a stall
• Recognise the symptoms of the stall itself
• To be able to recover with a minimum hight
loss under varying configurations
• Aim for no more than a 100 foot loss of
height
Application
• High Angle of attack / Low IAS
• Take-off and landing
• Sharp pull-up or steep turn
Review
• Stall
• Manoeuvres
• Flap
• Power
• Ailerons
Revision
Usual Symptoms Close to the stall
1. High nose attitude
2. Low IAS
3. Reduced effectiveness of controls
4. Stall Warning
5. Control Buffet
Symptoms of a stall
1. Loss of height
2. Nose pitch down
Airmanship
• Inadvertent stalls should never occur
• Lookout
• Smooth co-ordinated control input
• Correct handover/takeover procedure
• Monitor engine gauges
Air Exercise
• Pre Entry
– Lookout
– Pick reference point
– Manoeuvre checks:
– H
– H
– E
– L
– L
– L
eight sufficient to recover by 3000ft AGL!
atches/Harnesses secure
ngine Temperature & Pressures
ocation – not above a populated area
oose articles secure
ookout (360 degree turn)
Air Exercise • Entry
– Pick a reference point
– Retard throttle, maintaining height (Keep straight with rudder)
– Note the symptoms
• Stall
• Recovery
– (Release back pressure) Lower nose to descending attitude
– Allow speed to increase through 65KIAS, full power
– Ease into the climb
• Wing drop recovery
– Keep aileron neutral
– Apply full opposite rudder to stop yaw and or bank
– (Release back pressure) Lower nose to unstall
– Once unstalled, Centralise the rudder, full power (Keep straight with
rudder)
– Ease into the climb
Air Exercise
• Various Stall Configurations
– Clean stall
– Clean stall with power
– Stall with flap
– Stall with flap and power
I’ll see you in HHELLL