In this video principle behind high lift devices is explained. 1:40
we have briefly explained about trailing edge flaps. 3:37
a. plain flaps
b. split flaps
c. slotted flaps
d. Fowler flaps
we have explained about leading edge flaps 5:50
a. Krueger flap
b.Variable-camber
we have also explained about slats 6:45
we have covered a crash history if LAPA flight number 3142. the reason behind crash was aircraft was trying to takeoff without deploying flaps.
For understanding how aircraft reduce airspeed at the time of landing watch
https://youtu.be/o72Fw8HAm40
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