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|  STUDENT GUIDE T-39N/G NATOPS
UNIT FOUR REVIEW QUESTIONS
1.
The hydraulic reservoir is filled to _______________ gallons.
2.
The HYD PRESS PWR OFF caution light will illuminate if the fluid pressure drops below
__________ psi or is below __________ psi for more than one minute.
3.
Hydraulic pressure is provided by positive displacement engine driven pumps mounted on each
accessory gearbox. (TRUE/FALSE)
4.
The landing gear is _______________ controlled and _______________ actuated.
5.
During normal gear extension, a red light in the gear handle flashes to indicate one or more
gear not down and locked. (TRUE/FALSE)
6.
The pilot/copilot headset gear warning signal will sound if
Either throttle below __________ % rpm
Airspeed below __________ KIAS
Altitude below __________ MSL
and the landing gear is not down and locked. It can/cannot be silenced by the horn cutout
button.
7.
The gear warning horn will sound if the gears are not down and locked and the flaps
__________. It can/cannot be silenced by the horn cutout button.
8.
A full nitrogen service is ___________ psi for normal and auxiliary accumulators and
__________ psi for the thrust reverser accumulator.
9.
The emergency brake system is totally independent of the aircraft main hydraulic system.
(TRUE/FALSE)
10.
Brake system pressure is __________ psi maximum.
11.
Normal hydraulic system pressure is __________ to __________ psi.
12.
Auxiliary hydraulic system pressure is __________ to __________ psi.
13. The auxiliary accumulator can supply hydraulic power to __________, __________ and
__________.
14.
Fill in the limitations:
Landing gear
__________ KIAS __________ to __________G
Speedbrake
__________ KIAS __________ to __________ G
4-6 HYDRAULIC SYSTEMS
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