Out-of-Control Flight
Aerodynamic Principles
Figure 13 presents an overview of the typical out-of-control sequence.
PHASE
COCKPIT INDICATIONS
NEUTRAL
STALL
AOA above stall
CONTROLS
R
INDUCED
YAW
E
DEPARTURE
Aircraft no longer responds to control inputs
C
O
V
NEUTRAL
POST-STALL
AOA, turn needle, and airspeed oscillating
GYRATIONS
CONTROLS
E
SUSTAINED YAW
R
(PRO-SPIN
CONTROLS)
Y
INCIPIENT
AOA and turn needle pegged;
SPIN
airspeed oscillating
ANTI-SPIN
CONTROLS
AOA and turn needle pegged;
STEADY-
airspeed steady or oscillating slightly
STATE SPIN
Figure 13: POST-STALL REGION
(9-98) Original
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