Chapter 5 Flashcards
Minimum Crew Requirement:
The minimum crew required to fly this helicopter is ___. Additional crew members, as required, will be ___.
– two pilots and a flight engineer.
– added at the discretion of the commander, in accordance with pertinent Department of the Army directives.
Engine Oil Pressure Limits:
Engine oil pressure limitations are displayed digitally on the ___. The displays appear in green when pressure is ___, change to yellow if the pressure is ___, and change to red when the pressure is ___.
– POWER TRAIN page
– 5 to 90 psi
– greater than 90 psi
– less than 5 psi or greater than 110 psi
Engine Oil Pressure Limits
5 psi – Min pressure for NG at GND IDLE
32 psi – Min pressure for NG between 80-95%
50 psi – Min pressure for NG >= 95%
35-90 psi – Normal Operation
110 psi – Max for contingency power
150 psi – Max for cold weather starts
Engine Oil Temperature Limits:
Engine oil temperature limits are displayed digitally on the ___. The displays appear in green when the temp is ___ and change to red, with the respective ENG 1/2 OIL HOT caution displayed, when the temp is ___.
– POWER TRAIN page
– <= 149* C
– > 149* C
Engine Oil Temperature Limit
149* C – Maximum
Engine Transmission Oil Temperature Limits:
Engine transmission oil temp is displayed digitally on the ___. The displays appear in green when the temp is ___ and change to red, with an ENG 1/2 XMSN OIL HOT caution displayed, when the temp is ___. An ENG 1/2 XMSN warning will be displayed when the temp is ___.
– POWER TRAIN page
– <= 140* C
– >140* C
— > 190* C
Transmission Oil Temperature Limits:
Combining, aft, and forward transmission oil temp limits are displayed digitally on the ___. The displays appear in green when the temp is ___ and change to red when the temp is ___ with the respective COMB, AFT, or FWD XMSN OIL HOT caution displayed.
– POWER TRAIN page
– <= 140* C
– > 140* C