Stalls

Question 1

What is the definition of a stall?

Answer 1

an increased angle of attack untill the critical angle is reached resulting in loss of lift.

Question 2

What is the average critical angle degrees? (AOA)

Answer 2

16º AOA

Question 3

What are the exercises normally used for stalls?

Answer 3

No power

1700RPM power on stall

20º Flap stalls

700RPM and 20º Flap stalls

Question 4

What do the HASELL checks stand for?

Answer 4

Height (must still be at 3000ft after the stall)

Airframe (Trim)

Safety (Harness secure)

Engine (P’s & T’s)

Location (Training area)

Lookout (One rate turn to check area) 30º

Question 5

Air exercises for entry before a stall?

Answer 5

Reference point

Reference height

Power settings

(Idle + carb heat, 20º Flaps and or 1700RPM)

Prevent yaw

Maintain height

Question 6

Air exercises during and after the stall?

Answer 6

Full power

Ease forward

Opposite rudder (Wing drop)

Airspeed - Roll wings level

Retain height