Stalling

Question 1

Basic stall HASELL check

Answer 1

• Height (3000, recover by 2500)
• Airframe (idle power, flap up)
• Security (hatches and harness secure and nothing heavy in the back that will hit our heads)
• Engine (T+Ps green, fuel pump on, primer locked, correct tank, sufficient contents
• Location (clear of any built up
  areas + cloud)
• Lookout (2x90 turn or 180)

Question 2

Basic stall entry

Answer 2

• CH ON
• Idle power (slight left rudder)
• Raise nose gradually to maintain altitude
• 65kts CH off

Question 3

Basic stall how to stay on reference point whilst entering the stall

Answer 3

Don’t use aileron use rudder

Question 4

Basic stall recovery

Answer 4

• Relax backpressure
• Full power (right rudder to stop yaw)
• Climb back to reference altitude

Question 5

What manoeuvres may cause a stall

Answer 5

• Establishing slow flight
• Turning (especially steep turns)
• Pulling out of a dive
• Landing

Question 6

Basic stall speed definition

Answer 6

Vs1: lower end of the green arc, it is the IAS at which the a/c stalls when it is at max weight with no power, flying straight and level and in the clean configuration (no flaps)

Question 7

Definition of flaps extended stalling speed

Answer 7

Vs0: lower end of the white arc, it is the IAS at which the a/c stalls when it is at max weight, no power flying straight and level with full flaps extended

Question 8

Power on stall practical procedure

Answer 8

• HASELL check
• Choose a ref point and a ref ALT
• CH on, 1600rpm
• CH off through 65kts
• Raise nose to maintain Ref ALT
• Standard recovery
• Climb back to Ref ALT

Question 9

Stall with Flap practical procedure

Answer 9

• HASELL check
• Choose a ref point and ref ALT
• CH on, Idle power
• Raise nose to maintain altitude and use rudder to stay on reference point
• Below 89kts flap out in stages
• through 65kts CH OFF
• Standard Recovery
• Raise nose, first stage of flap away straightaway
• 2nd stage away, once above 65kts
• Climb back to Ref ALT

Question 10

Wing drop stall (power and flap) set up

Answer 10

• HASELL
• choose reference point and alt
• CH on
• Power 1600
• Below 89kts flaps out in stages
• 65kts CH off

Question 11

Onset stall recovery

Answer 11

At 55kts or the stall horn gently relax backpressure, full power and lower nose as airspeed increases so NO ALT is lost.

Question 12

Wing drop stall (power and flap) recovery

Answer 12

• Stick forward, ailerons neutral
• Opposite rudder
• Full power
• Set climb Attitude
• First stage of flap away straight away
• Last stage away when above 65kts
• Climb back to Ref ALT

Question 13

How to encourage a wing drop stall

Answer 13

Gentle increase of back pressure, relax rudder when approaching stall, neutral aileron