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BASIC FIGHTER MANEUVERS (BFM)
CHAPTER TEN
Cross- Controlled Departure
The purpose of this maneuver is to demonstrate the characteristics of a cross-control departure
and its proper recovery techniques. The maneuver will be conducted in a clean configuration.
Upon completion of a clearing turn, the IP will initiate the maneuver by trimming the aircraft at
180 KIAS and smoothly raise the nose to 25º nose up while rolling the jet to 60º AOB. The IP
will use top rudder to maintain the nose up attitude.
Increased aileron deflection will be required to maintain 60° AOB. When airspeed is between
160 KIAS (maximum airspeed for full rudder deflections) and 140 KIAS, the IP will smoothly
cross-control with full deflections of top rudder, ailerons into the direction of the AOB, and aft
stick. As the controls hit the stops, the aircraft will depart. At that point, the student should
recognize the departure and direct pilot to recover in accordance with the NATOPS OCF
recovery procedure.
Adverse YAW Departure
The purpose of this maneuver is to demonstrate that yaw, one of the two requirements for a spin,
can occur with the rudders in neutral. This maneuver will simulate a high AOA turn that may be
encountered during a BFM engagement.
The maneuver will be conducted in a clean configuration. The IP will initiate the maneuver by
trimming the aircraft at 210 KIAS and rolling into a slightly nose high turn while reducing the
power to idle. The IP will smoothly pull the aircraft to at least 27-28 units AOA. While
maintaining neutral rudder, the IP will quickly attempt to reverse the turn with top aileron.
(Note: This move would simulate an attempt to quickly reverse for a guns shot without
unloading the aircraft). The angle­o-bank however, will not reverse; instead, adverse yaw will
cause the aircraft to depart in the direction opposite to the applied aileron. Upon recognition of
the departure, the student will direct the pilot to recover in accordance with the NATOPS OCF
recovery procedure.
Post Stall/Post Departure Scan
After returning the aircraft to level flight following each of the above maneuvers, check the oil
pressure before adding power. It is possible that during the gyrations, the oil may cavitate out of
the pump, and oil pressure may drop to zero. Upon completion of the last maneuver, the BDHI
will most likely have to be realigned and the VGI erected.
A careful post-flight inspection of the aircraft will be made upon return from flights during
which departures have been conducted. Look for popped rivets, loose or missing screws and
fasteners, and wrinkled or cracked skin, placing particular emphasis on the empennage area.
10-25
BASIC FIGHTER MANEUVERS (BFM)


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