RMIT飞行训练课件－STALLING & SLOW FLIGHT 失速和慢速飞行

航空

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航空

STALLING & SLOW FLIGHT
OBJECTIVE:
To be able to recognise the symptoms of an impending stall, the stall itself, and to
recover with a minimum height loss of 100ft under varying conditions of power
and flap.
APPLICATION:
Slow speed flight such as approach and landing.
AIRMANSHIP:
 Smooth coordinated use of controls
 Correct hand over/Take over technique: - Instructor: “Handing over”
Student: “I have control”
or
Instructor: “Taking over”
Student: “Handing over”
Instructor: “I have control”
 Lookout (use the clock rule; ie. aircraft sighted 12 o’ clock high)
 Reference to natural horizon
 Unintentional stall should never occur
 Pre-stalling checks
AIR EXERCISE:
 Pre-stalling checks
 Height sufficient to recover by 3000ft
 Hatches and harnesses secure
 Engine FMOST checks
 Lookout
 Location
 Loose articles secure
 Reference point
Entry
 Throttle to idle
 As IAS decreases increase back pressure to maintain altitude
Stalling & Slow Flight
During
 Symptoms – high nose attitude, low IAS, sloppy controls, stall warning, buffet
 Stall – height loss and nose pitches down. Possible wing drop
Recovery
 Relax back pressure and put nose 5 fingers below horizon
 Correct wing drop if needed by using opposite rudder (DO NOT use ailerons)
 As speed increases apply full power
 Adopt climb attitude
Stalling & Slow Flight
Sequence 13
Effects of power on stall symptoms
 1500RPM
 Speed reduces more quickly
 Shorter stall warning
 Stall speed is lower
 Wing drop more likely
Effects of power on recovery
 At stall, adopt attitude 5 fingers below horizon
 Correct for any wing drop with opposite rudder
 Apply full power
 Raise nose to Straight and level attitude (3 fingers below horizon)
 Check speed and adopt climb attitude
Stalling & Slow Flight
Effects of flap on stall symptoms
 Speed reduces more quickly
 Shorter stall warning
 Stall speed is lower
 Stall more pronounced
 Wing drop more likely
Effects of flap and power on stall symptoms (eg: approach configuration)
 Stall speed is lower
 Stall more pronounced
 Wing drop more likely
Note: Raise flaps in stages on recovery
Stalling & Slow Flight

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