Hydraulic System Emergencies

Question 1

Hydraulic System Warning

Answer 1

1) Land Immediately

Question 2

1 and #2 HYD Pump Failure

Answer 2

1) Restrict flight control movement

2) Land as soon as possible

Question 3

1 Primary Servo or #1 Transfer Module Leak

1 W, 1 N

Answer 3

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.

Question 4

2 Primary Servo or #2 Transfer Module Leak

2 N

Answer 4

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

Question 5

Boost Servo Hardover

Answer 5

1) PAC call- Boost, Boost, Boost

2) SAS/BOOST push button- OFF

Question 6

Utility Pump Caution

Answer 6

1) Stop Dome