GRUMMAN AMERICAN
FOR TRAINING USE ONLY – SECTION 3
MODEL GA-7/COUGAR
EMERGENCY PROCEDURES
3-20
Issued: April 10, 1978
FLIGHT INSTRUMENTS EMERGENCY PROCEDURES
INSTRUMENT AIR PRESSURE SYSTEM FAILURES
1)
An instrument air pressure system failure will be indicated by a pressure loss on the source gauge. In the
event of a feathered engine or failure of one pump, a red button annunciator will show on the affected
side.
2)
If an instrument air pressure system malfunctions (pressure below 4.3 inches of mercury – red
annunciator not showing) and use of the gyro instruments is required:
a.
Increase engine RPM within normal limits as necessary to obtain 4.3 inches of mercury. If
possible, descend to an altitude at which 4.3 inches of mercury can be obtained.
b.
Monitor the magnetic compass and electric turn indicator to determine and evaluate DG and
attitude indicator performance.
EMERGENCY WINDOW EXIT
1)
Insert finger into cover and PULL to remove.
2)
Upper Lever – Rotate aft to OPEN position.
3)
Lower Handle - Grasp the lower handle and pull top of window inward to clear top of window frame. Lift
window upward to disengage tabs at bottom.
INADVERTENT OPENING OF CABIN DOOR IN FLIGHT
1)
Flight Controls – MANEUVER for return to landing.
2)
Airspeed – Maintain 100 KIAS or less.
3)
Pilot’s Vent Window – OPEN to reduce buffet.
4)
Cabin Door – CLOSE, secure main cabin door latch; secure overhead latch.
5)
Landing – If door cannot be properly secured, maintain airspeed of 100 KIAS or less, and make a normal
flaps up approach and landing.
WARNING
WITH THE CABIN DOOR UNSECURED, A NORMAL FLAPS DOWN APPROACH WILL
RESULT IN LIGHT TO MODERATE ELEVATOR BUFFETING.
