Hydraulic System Emergencies Flashcards
Hydraulic System Warning
1) Land Immediately
1 and #2 HYD Pump Failure
1) Restrict flight control movement
2) Land as soon as possible
1 Primary Servo or #1 Transfer Module Leak
1 W, 1 N
1) SERVO switch- 1st OFF
2) Land As soon as practicable
If the BACK UP RSVR LOW caution also appears or backup pump fails:
3) Land As soon as possible
Note- Be prepared for loss of Tail Rotor Control
If the #2 PRI SERVO caution and/or HYD warning appears:
4) Land Immediately
Warning- failure to ensure BACKUP HYD PMP switch is in AUTO or ON position prior to landing will result in loss of Tail Rotor directional control when the weight on wheels switch is activated.
2 Primary Servo or #2 Transfer Module Leak
2 N
1) SERVO switch- 2nd OFF
2) Land as soon as practicable
Note- Failure to ensure BACKUP PUMP switch is in ON or AUTO position prior to landing with a #2 HYD PUMP caution present will result in a loss of pilot assist servos when the weight on wheels switch is activated
If the BACKUP RSVR LOW caution also appears or backup pump fails:
3) Land as soon as possible
Note- Be prepared for loss of pilot assist servos
If the #1 PRI SERVO caution and/or HYD warning light appears:
4) Land Immediately
Boost Servo Hardover
1) PAC call- Boost, Boost, Boost
2) SAS/BOOST push button- OFF
Utility Pump Caution
1) Stop Dome