UH-60L EPs - Change 9

Single engine failure

1. Esatblish single engine airspeed
2. External cargo/stores - jettison (if required)
3. LASP (or practicable)

Dual engine failure

Autorotate

DEC low side failure

1. ESEA
2. EPCL Low TRQ/TGT engine - lockout
3. Land as soon as practicable

DEC High side failure

1. ESEA
2. EPCL high TRQ/TGT engine - retard
3. Land as soon as practicable
If engine does not respond to EPCL movement in the range between fly and idle, the HMU may be malfunctioning internally
4. Emery engine shutdown
5. Refer SE failure emergency proc

% RPM increasing/decreasing (oscillation)

1. ESEA
2. Slowly retard EPCL on suspected engine
If oscillation stops and partial power flight cannot be maintained:
3. Place that engine in lockout and manually control power
4. Land as soon as practicable
If oscillation continues:
5. Go to fly and then

% Torque Split

1. ESEA
2.
3.
4.
5.
6.
7.

Load demand system malfunction

1. Land as soon as practicable
2. Perform normal approach, avoiding low power autorotative descents

Engine Compressor Stall

1. ESEA
2. EPCL affected engine - retard
3. EPCL affected engine - fly
If stall condition recurs:
4. Emery engine shutdown
5. Refer SE failure

#1/#2 oil filter bypass

1. ESEA
2. EPCL affected engine - retard
3. Land as soon as practicable

Chip #1/#2 engine

1. ESEA
2. EPCL - retard
If oil pressure is below minimum limits or if oil temperature remains above max limits:
3. Emer engine shutdown
4. Refer SE failure

#1/#2 engine oil press

1. ESEA
2. EPCL - retard
If oil pressure is below minimum limits or if oil temperature remains above max limits:
3. Emer engine shutdown
4. Refer SE failure

#1/#2 engine oil temp

1. ESEA
2. EPCL - retard
If oil pressure is below minimum limits or if oil temperature remains above max limits:
3. Emer engine shutdown
4. Refer SE failure

Engine high speed shaft

1. ESEA
2. Emer engine shutdown
3. Refer SE failure

Lightning Strike

1. ESEA
2. EPCLs - adjust as required to control %RPM
3. LASP

Loss of tail rotor thrust in cruise flight

1. Autorotate - maintain airspeed at or above 80 KIAS
2. EPCLs - off (during deceleration when intended point of landing is assured)

Loss of tail rotor thrust or tail rotor quadrant caution appears with loss of control at low airspeed/hover (right rotation)

1. Collective - Reduce
2. EPCLs - off (5 to 10 feet above touchdown)

Tail rotor quadrant

1. Collective - adjust to determine controllability (Fixed right or left)
2. Land as soon as practicable

Loss of control at low airspeed/hover or tail rotor quadrant (left rotation)

1. EPCL(s) - retard to decrease % RPM R below 100% and begin a partial power descent
2. Collective - adjust to preserve % RPM R
3. EPCLs - off (5 to 10 feet above touchdown)
4. Collective - Adjust for landing

Pedal bind/restriction or drive with no accompanying caution

1. Apply pedal force to oppose the drive
2. Check other pedals for proper operation
3. Tail servo switch - backup
If normal authority is not restored:
4. Tail servo switch - normal
5. Boost switch - off
If normal control forces are not restored:
6. Boost

#1 Tail RTR Servo caution appears and back up pump on advisory does not appear or #2 tail RTR servo on advisory does not appear

1. Tail servo - backup
2. Backup hyd pump switch - on
3. Land as soon as practicable

Main XMSN oil press

1. LASP
If time permits:
2. Slow to 80 KIAS
3. EMER APU start
4. Generators 1 and 2 switches - off

Main XMSN oil temp

1. LASP
If time permits:
2. Slow to 80 KIAS
3. EMER APU start
4. Generators 1 and 2 switches - off

XMSN oil press low

1. LASP
If time permits:
2. Slow to 80 KIAS
3. EMER APU start
4. Generators 1 and 2 switches - off

XMSN oil temp high

1. LASP
If time permits:
2. Slow to 80 KIAS
3. EMER APU start
4. Generators 1 and 2 switches - off

Chip input MDL LH or RH

1. ESEA
2. EPCL - idle
3. LASP

Chip main mdl sump

LASP

Chip access mdl lh or rh

LASP

Chip tail xmsn

LASP

Chip int XMSN

LASP

Tail xmsn oil temp

LASP

Int xmsn oil temp

LASP

Main Xmsn failure

1. Collective - adjust only enough to begin a descent with power remaining applied to the main transmission throughout the descent and landing
2. LASP

Engine fire in flight

1. ESEA
2. EPCL - off
3. Eng Emer off handle - pull
4. Fire extgh switch - main/reserve as required
5. LASP

Engine/Fuselage fire on ground

1. EPCL - off
2. Eng emer off handle - pull if applicable
3. Fire extgh switch - main/reserve as required

APU Compartment Fire

1. APU Fire t-handle - pull
2. Fire extgh switch - main/reserve as required

APU Oil temp hi

APU control switch - off. Do not attempt restart until oil level has been checked

Electrical Fire in Flight

1. Batt and generators switches - off
2. LASP

#1/#2 fuel filter bypass

1. Eng fuel sys selector on affected engine - xfd
2. Land as soon as practicable

#1 and #2 fuel filter bypass

LASP

#1 and #2 fuel low

Land as soon as practicable

#1/#2 fuel press

1. Eng fuel sys selector on affected engine - xfd
2. Fuel boost pump control switch on side being used - on
3. LASP
4. Emer eng shutdown after landing
If the caution appears and it's not critical:
1. Eng fuel sys selector on affected engine - xfd
2. Fuel

#1 and #2 fuel press

1. LASP
2. Emer eng shutdown after landing

#1 and #2 Generator failure

1. SAS 1 switch - press off
2. Airspeed - adjust (80 KIAS or less)
3. Generators no. 1 and no. 2 switches - reset, then on
If cautions still appear
4. Generators no. 1 and no. 2 switches - off
5. If MCUs are in use: BCA MCU control knobs (pilot, copilot,

#1 or #2 GEN caution appears

1. Affected generators switch - reset; then on.
If caution still appears:
2. Affected generators switch - off.

#1 and #2 CONV cautions appear

1. Unnecessary dc electrical equipment - off
2. Land as soon as practicable

Battery Fault caution appears

1. Bart switch - off; then on. If battery fault caution appears, cycle batt switch no more than two times
If caution still appears
2. Batt switch - off

LFT or RT PITOT HEAT and master caution

If LFT or RT pitot Heat and master cautions are flashing:
1. Land as soon as practicable
If LFT or RT pitot Heat cautions appear steady:
1. Turn off applicable pitot Heat switch
If caution disappears, then applicable pitot Heat has failed:
2. Exit icing c

#1 HYD Pump

1. Tail Servo switch - backup; then normal
2. Land as soon as practicable

#2 HYD pump

1. Power on reset switches - simultaneously press, then release
2. Land as soon as practicable

#1 and #2 HYD pump

LASP. Restrict control movement to moderate rates

#1 or #2 HYD pump caution appears and Back-up pump on advisory does not appear

1. Airspeed - adjust to a comfortable airspeed
2. Back-up HYD pump switch - on
If back-up pump on advisory appears:
3. Refer to #1 HYD Pump or #2 HYD pump caution appears emergency procedure.
If back-up pump on advisory still does not appear:
4. FPS and B

#1 or #2 PRI SERVO PRESS caution appears

1. SVO Off switches - check both are centered
2. If the caution appears with the SVO Off switch centered, move the SVO Off switch to turn off the malfunctioning servo.
3. LASP

#1 RSVR LOW and #1 HYD pump cautions appear with back-up pump on advisory appearing

1. Land as soon as practicable
If the Back-up RSVR LOW caution also appears:
2. SVO Off switch - 1ST STG
3. LASP

#2 RSVR LOW and #2 HYD Pump cautions appear with back-up Pump on advisory appearing

1. Power on reset switches - simultaneously press then release
2. Land as soon as practicable
If back up RSVR low caution also appears:
3. SVO OFF switch - 2ND STG
4. LASP

#2 RSVR Low Caution appears

1. Boost - off
2. FPS - off
3. Land as soon as practicable