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Land As Soon As Possible
Executing a landing to the nearest suitable landing area. (e.g., open field) without delay
The primary consideration is to assure the survival of the occupants.
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Land As Soon As Practicable
Execute a landing to the nearest suitable airfield/ heliport.
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Autorotate Definition
The term autorotate is defined as adjusting the flight controls as necessary to establish an autorotational descent and landing.
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Autorotate
- 1. Thrust Control-- Adjust as required to
- maintain RRPM
2. Pedals-- Adjust as required
3. Cyclic-- Adjust as required
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Emergency Engine Shutdown Definition
Engine shutdown without delay.
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Emergency Engine Shutdown
1. ENG COND Lever-- Stop
2. Fire Pull Handle-- Pull (engine fire only)
- 3. AGENT DISCH switch-- As requried (eng fire only)
4. Perform single-engine failure procedure.
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Abort Start Definition
An engine shutdown to prevent PTIT from exceeding limits or whenever abnormal operation is indicated.
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Abort Start
1. ENG COND Lever-- Stop
- 2. ENG START switch-- MTR
- (if high PTIT is indicated)
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If a second engine start is to be attempted, how long, after N1 indicates zero should you wait before attempting start?
15 seconds
This will allow sufficient time for fuel to drain from the combustion chamber.
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Dual Engine Failure
1. Autorotate
2. External Cargo-- Jettison
3. ALT Switch-- Disengage
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Single Engine Failure
1. Thrust control-- Adjust as necessary to maintain RRPM
2. External Cargo-- Jettison (if required)
3. ALT Switch-- Disengage
CONTINUED FLIGHT IS NOT POSSIBLE:
4. Land as soon as possible
5. EMER ENG SHUTDOWN (when conditions permit)
CONTINUED FLIGHT IS POSSIBLE:
6. Land as soon as practicable
7. EMER ENG SHUTDOWN (when conditions permit)
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6 Reasons the ENG 1 FAIL or ENG 2 FAIL light come on.
- 1. Power turbine shaft failure
- 2. N1 underspeed
- 3. Engine flameout
- 4. Over temperature start abort (primary mode only)
- 5. FADEC Primary and REV Failure
- 6. N1 decreases below 48%
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FADEC 1 or FADEC 2 Caution Light
1. FADEC INC-DEC beep switch (affected engine) -- Adjust as required
2. Reduce rate of THRUST CONT lever changes
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FADEC 1 and FADEC 2 Caution Light
1. FADEC ENG 1 and ENG 2 INC-DEC beep switches -- Beep to 100%, match TQs
2. Reduce rate of THRUST CONT lever changes
3. Land as soon as practicable
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REV 1 or REV 2 (with) Associated FADEC LIGHT ON
IF ENGINE POWER IS REQUIRED FOR FLIGHT:
1. Land as soon as possible
AFTER LANDING:
2. EMER ENG SHUTDOWN -- (Affected Engine)
IF ENGINE POWER IS NOT REQUIRED FOR FLIGHT:
1. EMER ENG SHUTDOWN -- (Affected Engine)
2. FIRE PULL HANDLE -- (Affected Engine) -- Pull
3. REFER TO SINGLE-ENGINE FAILURE EMER PROCEDURES
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REV 1 and REV 2 (With) Associated FADEC LIGHTS ON
1. Land as soon as possible
2. EMER ENG SHUTDOWN -- as required
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Residual fire during shutdown
1. ABORT START
2. FIRE PULL handle (affected engine) -- Pull
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APU Fire
1. APU Switch -- OFF
2. ABORT START
- Note:
- Immediately motor engines alternately, until rotors are stopped, to reduce the possibility of engine residual fire.
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Electrical fire -- flight
1. Land as soon as possible
2. GEN 1 and 2 switches -- OFF
After landing:
- 1. EMER ENG SHUTDOWN
- 2. Batt switch -- OFF
- WARNING:
- A dual engine flameout may occur if both generator switches are turned off above 6,000 ft PA. All fuel boost pumps will be inoperative.
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NO. 1 or NO. 2 GEN OFF Caution
IF NO BUS TIE EXISTS:
1. GEN switch -- OFF RESET, then ON
IF THE POWER IS NOT RESTORED:
- 2. Land as soon as possible
- IF A BUS TIE EXISTS
:
- 1. GEN switch -- OFF RESET, then ON
- IF POWER IS NOT RESTORED:
2. GEN switch -- OFF
3. Land as soon as practicable
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Engine XMSN clutch failure to engage
1. EMER ENG SHUTDOWN -- (Affected Engine)
WHEN N1 REACHES ZERO:
2. EMER ENG SHUTDOWN -- (Engaged Engine)
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ENG OIL -- Low quantity/ high temperature or low pressure light
IF ENGINE POWER IS REQUIRED FOR FLIGHT:
1. Land as soon as possible
IF ENGINE POWER IS NOT REQUIRED FOR FLIGHT:
- 1. EMER ENGINE SHUTDOWN --
- (Affected engine)
- 2. Refer to single-engine failure
- emergency procedures.
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Engine Chip Detector Caution Light On
IF ENGINE POWER IS REQUIRED FOR FLIGHT:
1. Land as soon as possible
IF ENGINE POWER IS NOT REQUIRED FOR FLIGHT:
- 1. EMER ENGINE SHUTDOWN --
- (Affected engine)
- 2. Refer to single-engine failure
- emergency procedures.
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NO. 1 or NO. 2 ENG XMSN Hot Caution
1. EMER ENGINE SHUTDOWN
2. Affected engine transmission -- Check
3. Land as soon as possible
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XMSN OIL PRESS and XMSN AUX OIL PRESS or XMSN CHIP DET light
Land as soon as possible
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L or R FUEL PRESS Caution
1. XFEED switch -- OPEN (above 6,000 feet PA)
2. Fuel pump(s) circuit breakers -- Check in
PUMP(S) ARE OPERATIONAL -- PROCEED WITH STEP 3
PUMP(S) ARE NOT OPERATIONAL -- PROCEED WITH STEP 4
3. XFEED switch -- CLOSED
4. FUEL PUMP switches -- OFF (inoperative pump(s)).
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FUEL LOW and FUEL PRESS Caution
1. XFEED -- CLOSED
2. Land as soon as possible
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NO. 1 or NO. 2 HYD FLT CONTR Caution
FLUID LOSS IS EVIDENT:
Land as son as possible
FLUID LOSS IS NOT EVIDENT:
- 1. PWR XFER 1 or 2 switch (affected system) -- ON
2. MAINTENANCE PANEL -- Monitor
3. Land as soon as possible
HIGH FLUID TEMPERATURE IS EVIDENT
Land as soon as possible
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FWD, COMB, or AFT DEBRIS SCREEN indicator
1. RESET/GND/TEST switch -- Reset
If indicator does not reset or trips again:
2. Land as soon as possible
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LEFT or RIGHT DEBRIS SCREEN indicator
1. RESET/GND/TEST switch -- Reset
If indicator does not reset and engine power is required:
Land as soon as possible
If indicator does not reset or trips again and engine power is not required
- 3. EMER ENGINE SHUTDOWN – (Affected engine)
- 4. Refer to single-engine failure
- emergency procedure.
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VGI malfunction
1. Airspeed -- Adjust to 100 KIAS or Vne, whichever is slower
2. Affected VGI switcH -- EMER
3. AFCS -- Select remaining system
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Dual AFCS failure
1. AFCS system sel switch -- Off
If IMC:
2. Land as soon as practicable
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Single AFCS failure – Both selected
1. Airspeed -- Reduce to 100 KIAS or Vne, whichever is slower
2. Altitude -- Adjust as required
3. AFCS system sel switch -- Isolate defective system. Turn No. 1 on, if not isolated, turn No. 2 on
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LCT system failure
If in AUTO mode:
1. Airspeed -- Adjust
- 2. CYCLIC TRIM circuit breakers --
- Check in
If LCT operation is not indicated:
3. CYCLIC TRIM switch -- MANUAL
- 4. FWD and AFT CYCLIC TRIM switches -
- - Adjust for airspeed
If LCT operation is not indicated:
5. FWD and AFT cyclic trim switches -- RET for 30 seconds, before landing
If in manual mode:
1. Airspeed -- Adjust
- 2. CYCLIC TRIM circuit breakers --
- Check in
If normal LCT operation is not indicated:
1. CYCLIC TRIM switch -- AUTO
If LCT operation is still not indicated:
1. CYCLIC TRIM switch -- MANUAL
- 2. FWD and AFT cyclic trim switches --
- RET for 30 seconds, before landing
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HYD PUMP FAULT indicating light
1. Land as soon as practicable
2. Maintenance panel -- Monitor
If temps or pressure are abnormal or abnormal vibration occurs:
1. Land as soon as possible
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UTIL HYD SYS caution
Fluid loss is evident:
- 1. Isolation switch -- Off (affected
- sub-system)
2. Land as soon as possible
If pressure is restored:
1. Land as soon as practicable
2. Maintenance panel -- Monitor
Fluid loss is not evident:
1. APU – start
2. Land as soon as practicable
- 3. Maintenance panel – Monitor if temps
- or pressure are abnormal or abnormal
- vibration occurs.
a. Land as soon as possible
High fluid temperature is evident:
Land as soon as possible
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No. 1 and No. 2 hyd flt contr caution
1. PWR XFER 1 and 2 swithes -- ON
2. Land as soon as possible
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No.1 and No.2 RECT OFF Caution.
If both transformer rectifiers fail, perform the following:
1. Land as soon as possible
If unable to land, proceed as follows:
1. Air speed -- Blow 100 KIAS
2. Altitude -- Below 6,000 feet PA
3. AFCS -- OFF
4. PDPs – Check circuit breakers in
- 5. DC crosstie circuit breakers on both
- No. 1 and No. 2 PDPs – Pull out
- 6. DC equipment – OFF or pull out
- circuit breakers on essential,
- switched battery, and hot battery
- buses.
7. Land as soon as possible.
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No.1 or No.2 RECT OFF Caution
DC bus tie has not occurred:
PDPs -- check
Electrical power is not restored:
Land as soon as possible
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No. 1 and No.2 GEN OFF Caution
1. Land as soon as possible
If unable to land proceed as follows:
1. Airspeed -- Below 100 KIAS
2. Altitude – below 6,000 feet PA
3. AFCS – off
- 4. PDPs – Check circuit breaker and
- place gang bar down
- 5. Each GEN switch – OFF RESETthen
- ON.
- Electrical power is restored (From
- either generator):
Land as soon as possible
Electrical power is not restored (Fom either generator):
1. APU – start
2. APU GEN – ON
3. Land as soon as possible
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Fuel Venting
- 1. AUX FUEL PUMP switches
- (affected side) or ERFS II (if installed) -- Off
2. Main tank (affected side) -- Monitor
When 1,000 pounds of fuel remain:
- 3. AUX FUEL PUMP switches (affected
- side or ERFS II (if installed) – on
When tank quantity reaches 1,600 pounds:
- 4. AUX FUEL PUMP switches (affected side) or ERFS II (if installed) – off
- 5. Steps 2 through 4 – repeat until
- auxiliary tanks are empty.
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Smoke and Fume Elimination
1. Airspeed -- above 60 KIAS
2. Pilot’s sliding window -- Open
- 3. Helicopter attitude -- Yaw left, one
- half to 1 ball width on turn slip indicator
- 4. Upper half of main cabin door -- Open
5. Ram EMER switch -- As required
6. Cargo loading ramp -- As required
7. Copilot's sliding window -- Closed
8. NVG curtain -- Open (if applicable)
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Engine Compartment, Fuselage or Electrical Fire -- Ground
1. EMER ENG SHUTDOWN
2. APU switch -- OFF (if operating)
3. BATT switch -- OFF
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Engine fire or fuselage fire- In flight
1. Land as soon as possible
2. Confirm fire
3. EMER ENG SHUTDOWN (Affected engine)
After landing:
EMER ENG SHUTDOWN
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Engine Hot Start
1. ABORT START
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XMSN OIL HOT Caution
FWD or COMB (mix)
1. Land as soon as possible
Aft transmission is indicated:
1. Land as soon as possible
- 2. Electrical load – reduce as much as
- possible
Left or right
Engine power is required:
1. Land as soon as possible
Engine power is not required:
1. Emer eng shutdown
2. Refer to single engine failure emer procedures.
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XMSN AUX OIL PRESS Caution
MAIN XMSN (FWD, COMB (MIX), OR AFT)
Main transmission oil pressure and temperature are abnormal:
1. Land as soon possible
Main transmission oil pressure and temperature are normal:
1. Land as soon as practicable
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XMSN OIL PRESS Caution
AFT or AFT shaft (confirm AFT shaft w/ FE):
1. LAND as soon as possible
FWD or COMB (MIX):
- 1. Altitude -- Descend to minimum safe
- altitude
2. Airspeed -- 100 KIAS or VNE, whichever is slower
3. Land as soon as practicable
Left or Right
Engine power is required:
1. Land as soon possible
Engine power is not required:
- 1. Emer engine shutdown- (affected
- engine)
- 2. Refer to single-engine failure
- emergency procedure
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