GRUMMAN AMERICAN
FOR TRAINING USE ONLY – SECTION 7
MODEL GA‐7/COUGAR
AIRPLANE & SYSTEMS DESCRIPTIONS
7‐1
Issued: April 10, 1978
SECTION
7
AIRPLANE
&
SYSTEMS
DESCRIPTIONS
TABLE OF CONTENTS
INTRODUCTION ......................................................................................................................................................... 7‐3
AIRFRAME .................................................................................................................................................................. 7‐3
FLIGHT CONTROLS ..................................................................................................................................................... 7‐4
AILERON CONTROL SYSTEM (Figure 7‐1) ............................................................................................................... 7‐4
AILERON TRIM SYSTEM ......................................................................................................................................... 7‐4
ELEVATOR CONTROL SYSTEM (Figure 7‐2) ............................................................................................................ 7‐4
ELEVATOR TRIM SYSTEM (Figure 7‐3) ................................................................................................................... 7‐8
RUDDER CONTROL SYSTEM (Figure 7‐4) ............................................................................................................... 7‐8
RUDDER TRIM SYSTEM (Figure 7‐5) ...................................................................................................................... 7‐8
WING FLAP SYSTEM ................................................................................................................................................... 7‐8
INSTRUMENT PANEL (Figure 7‐7) .............................................................................................................................. 7‐9
FLIGHT INSTRUMENTS (Figure 7‐7) ....................................................................................................................... 7‐9
POWER PLANT INSTRUMENTS (Figure 7‐7) ........................................................................................................... 7‐9
CONTROLS ............................................................................................................................................................. 7‐9
GROUND CONTROL .................................................................................................................................................. 7‐15
LANDING GEAR ........................................................................................................................................................ 7‐17
MAIN LANDING GEAR ASSEMBLY ........................................................................................................................ 7‐17
NOSE LANDING GEAR ASSEMBLY ........................................................................................................................ 7‐17
LANDING GEAR POSITION LIGHTS, WARNING HORN, AND SAFETY SWITCH ...................................................... 7‐17
LANDING GEAR EMERGENCY EXTENSION ........................................................................................................... 7‐18
FUEL SYSTEM ........................................................................................................................................................... 7‐18
FUEL TANKS ......................................................................................................................................................... 7‐18
VENT SYSTEM ...................................................................................................................................................... 7‐18
SUMP TANKS ....................................................................................................................................................... 7‐18
AUXILIARY FUEL PUMPS ...................................................................................................................................... 7‐18
FUEL SELECTOR VALVES ...................................................................................................................................... 7‐18
FUEL QUANTITY INDICATORS .............................................................................................................................. 7‐19
ENGINE FUEL PRIMER .......................................................................................................................................... 7‐19