Copyright of RotorSport UK Ltd
Document number RSUK0060
Page 50 of 101 Page issue 2, dated 12.09.11
5.3 Height speed diagram
The height speed diagram indicates the minimum height for the flown speed (IAS), at
which a safe landing is considered possible at max all up weight, 8.4m rotors following
engine failure.
Engine failures whilst flying at heights and speeds to the left of the graph line may
prove fatal for the pilot and passenger.
Height velocity diagram
0
50
100
150
200
250
300
350
400
450
500
550
600
0
10
20
30
40
50
60
70
80
90
100
Speed in mph
H
ei
gh
t i
n
ft