RMIT飞行训练课件－STEEP DESCENDING TURNS 大坡度下降转弯

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航空

STEEP DESCENDING TURNS
OBJECTIVE:
To carry out a glide descending turn at an AoB of 45 maintaining s speed of 70
kts  5 kts and maintaining balance  half a skid ball.
APPLICATION:
 Height loss manoeuvre within a confined space
 Control co-ordination exercise
AIRMANSHIP:
 Maintain a good lookout
 Smooth control and co-ordination during turn
 Clear engine every 1000’
 Monitor engine temp and pressures
 Handing Over / Taking Over / I have Control drills
AIR EXERCISE:
Pre Entry:
 Reference point (HDG bug onto reference)
 Select reference altitude
 Good lookout (especially below)
 Reduce power to idle, maintain altitude with elevator, allow speed to reduce to
7 kts
 Set glide descent attitude.
 Trim for 65 kts
Entry:
Bank 45
Balance
Back pressure
Set attitude for 70kts
Attitude for Left turn
During:
Attitude - maintain correct attitude
Lookout - in direction of turn
Attitude - check attitude is maintained
Performance - AoB/ IAS/ Balance/ IAS
Steep Descending Turns
If performance is not being achieved make adjustments by attitude.
 Anticipate exit by 15
Exit:
Bank - roll wings level
Balance - opposite rudder
Back pressure - reduce to glide attitude
Attitude for Right turn
Recover from Glide
Power - 2100 RPM
Attitude - straight and level
Speed - >90 kts
Trim - for straight and level
Steep Descending Turns