B412 Emergency Procedures Flashcards
Single DC GENERATOR caution light
Non bold face
- Check CB’s in
- GEN sw……reset then on
Cx list continues….
- Land as soon as practicable
Fire handle illuminates during start
Throttles - both to idle/shut off/confirm fire
T handle - identify/pull
Fire - if fire persists - fire main
If fire continues for more than 10 secs
Fire ext - fire reserve
Engine fire during takeoff
- Land if a suitable area is available
- collective - lower as altitude permits, below OEI
- airspeed - 45kt min
- throttle - identify/ idle / check for fire
If fire confirmed or doubt exists
- throttle - closed
T handle - identify / pull
Fire ext - fire main
If fire persists for more than 10 secs
Fire ext - fire reserve
ITT races up during engine start
Abort start:
- throttle - closed
- boost pump switch - off
- fuel. Switch - off (affected eng)
- starter - maintain energised until ITT decreases
Red baggage fire light illuminates
Power - reduce to min required
Land as soon as possible
Check for signs of smoke/fire, if confirmed or doubt exists
Land immediately
Nose goes left during hover and Nr drops a little
Engine failure in hover
Collective - freeze/lower to minimise Nr decay
Cyclic/pedals - correct drift and yaw
Collective - as required to cushion landing
Eng Oil pressure caution light illuminates
Engine low oil pressure < 40psi
Collective - lower to within OEI power limits
Confirm - oil px gauge below limit
“Tq split - rotors high”
High N2, N1, ITT and Tq in affected engine
Call Rotor trends
Collective - adjust to contain NR
Safe flight - ensure
Throttle (affected eng) - identify/ idle
Engine fluctuations
Engine fluctuation cx list
Safe flight condition - ensure
Master caution
Red XMSN OIL TEMP light
Oil temp > 110deg
Collective - reduce to min required
Confirm - check oil temp gauge
If confirmed - check xmsn oil PX
If oil px within limits - land when prac
If oil px below - land as soon as possible
Secondary indications - land immediately
During cruise
Master caution and
Red ENG X OUT light illuminates
N1 below 53
N2 below 85
ITT bellow 400
DC GEN / OIL PX / PART SEP OFF lights
Engine failure in cruise
Collective - adjust to contain Nr at/abv 97%
IAS - adjust if nec to 70kts or abv
RPM sw - beep up to 100%
Remaining eng - check within OEI limits
Batt bus switches - both on
Non-esntl bus sw - manual
Call Nr trends and monitor OEI limits
OVER TORQ light
Reduce power
Land as soon as prac
Fire handle illuminates on approach
If suitable area avail - land
Collective - lower below OEI if altitude permits
Airspeed - 45kt min
Throttle - identify/ idle/ check for fire
If confirmed or doubt exists throttle - closed
T handle - identify/ pull
Fire ext - fire main
If fire persists > 10secs
Fire ext - fire reserve
NO 1 or 2 ENGINE CHIP illuminates
Collective - lower within OEI
Safe flight - ensure
Shut down eng IAW cx list
Land as soon as prac
Fuel intcon caution light
Non bold face
Master caution
Heater air line light
Heater sw - OFF
Master caution
Door lock
Non bold face
All doors - cx closed
IAS - reduce to 60kts
ATT flag on ADI
Gyro unreliable
Monitor STBY AI indicator
Cx pilot and cplt ATTD SYS CB’s - IN
If flag does not retract, continue in ATT or SAS mode
Note AP’s and FD will decouple
Master caution
NO 1 or 2 GEN OVHT light
DC GEN sw - off
Master caution
NO 1 or 2 HYDRAULIC light
Confirm failure - verify with gauge
< 650psi / temp > 88 deg
Land as soon as possible
Master caution
42/90 BOX CHIP
Land as soon as practicable
If secondary indications
Land immediately.
“ tq split - rotors low”
Steady state tq split, low N2, N1, ITT and Nr
Low side failure
Call Nr trends
Collective - adjust to contain Nr (min 97)
Beep - 100% Nr
Safe flight - acheive
Cont with cx list actions
Engine oil temp gauge shows 130deg
Limit = 115 deg
Engine oil temp high
Collective - lower within OEI
Cx list
During the cruise
Red ENG 1 or 2 OUT light illuminates
N1 < 53%
N2 < 85%
ITT < 400
DC GEN + OIL PX + PART SEP OFF lights
Engine failure in cruise
Collective - adjust to contain Nr at/abv 97%
IAS - adjust if necessary at/abv 70kts
Beep - 100 % Nr
Remaining eng - confirm in OEI limits
Batt bus - both on
Non-esntl bus - manual
Call Nr trends and cx OEI limits
Define land as soon as practicable
The duration and destination are at the PIC discretion. Extended flight beyond the nearest suitable landing area is not recommended, although consider technical assistance accessibility.
During hover
Rapid right yaw
Possible roll and pitch down
Loss of TR thrust in hover
Throttles - closed
Attitude - level
Ground speed - zero
Collective - increase to cushion landing
Master caution
NO1 and NO2 FUEL BOOST light
Double fuel boost pump failure
Fuel boost pump switches - check both on
Cx - CB’s
Master caution
Red ENG 1 and 2 OUT lights illuminate
Rotor low
Dual engine failure
Collective - lower and enter auto
Airspeed - 70kts (min RoD) or 90kt (range)
Pax - brief/brace
Master caution
NO1 or 2 INVERTER light
Single AC inverter failure
Cx remaining inverter has taken load
Master caution
NO1 or 2 FUEL TRANS light
Fuel transfer light
Cx - CB’s
Cx - switches
During descent
Rapid right yaw
Possible roll and pitch down
Loss of TR thrust during descent/low power
Throttles - closed to flight idle
Collective - enter auto
Airspeed - 70kt
You smell burning or see flames from some electrical components
Electrical fire in flight
IAS - reduce speed if required to open door
Cockpit windows - open
Passengers - brief
Electrical systems - begin switching off possible sources of current drain
If fire is spreading without control - land as soon as possible
Master caution
XMSN CHIP light
Check remote chip indicators
Transmission chip
Collective - reduce to min power required
IAS - consider reducing to 70 kts
Land as soon as practicable
More than one indicator or other indications - land as soon as possible
Additional secondary indications - land immediately.
Master caution
NO1 INVERTER and NO2 INVERTER light
Double AC inverter failure -
loss of all AC instruments and AFCS
Standby AI - fly on standby AI and Stby compass
Master caution
NO1 or NO2 FUEL FILTER light
Fuel filter light - filter partially blocked
NB
Reduce power
Left yaw
Rapid decrease Nr
Rapid increase N2
Over speeding engines
Main drive shaft failure
Collective - enter autorotation
Airspeed - 70 (min RoD) or 90 (range)
Throttles - both closed
During flight
Red FIRE 1 or FIRE 2 handle illuminates
Engine fire in flight
Collective - lower to OEI power
Throttle - identify/ idle / check for fire
If fire confirmed or doubt exist
Throttle - closed T handle - identify/ pull Fire ext - fire main Batt bus switches - both on Non-esntl bus sw - manual
If fire persists > 10 sec
Fire ext - fire reserve
N2 RPM - beep to 100%
Fire persists - land immediately
Fire goes out - land as soon as possible
Master caution
NO1 or NO2 FUEL BOOST light
Boost fuel pump failure
nb
Cx CB’s
Define land as soon as possible
Land at the nearest suitable area at which a safe approach and landing is reasonably assured. Consider the touchdown surface
During a climb
Rapid right yaw
Possible roll and pitch down
Loss of TR thrust in climb
Throttles - closed to flight idle
Collective - enter auto
Airspeed - 70kts
Master caution
AUTOTRIM light
Auto trim failure
AP 1 or AP 2 - cycle off then on
Master caution
C’BOX CHIP light
Combining gear box chip light
Collective - reduce to min required
Monitor - oil px and temp
IAS - Attitude and IAS for auto entry
Land as soon as practicable
During take-off before committed
Red ENG 1 OUT or ENG 2 OUT light
N1 - 53%
N2 < 85%
ITT < 400
DC GEN / OIL PRESSURE/ PART SEP OFF lights
Engine failure during take-off before committed
Collective - adjust to contain Nr
Cyclic - attitude to reduce ground speed
Collective - as necessary to cushion ldg
Cyclic/ pedals - correct drift and yaw
Smoke and fume elimination
Vent blower sw - on
Vents/windows - open
During take-off after committed
ENG 1 OUT or ENG 2 OUT
N1 < 53
N2 < 85
ITT < 400
DC GEN/ OIL PX/ PART SEP OFF lights
Engine failure during take-off after committed
Collective - adjust to contain NR >97 and
- to keep eng in OEI limits
Beep - 100% Nr
Cyclic - set attitude for 45kts until clr of obs, then
- accelerate to 70kts
Bat bus switches - both on
Non-estnl bus sw - manual
Check Nr and OEI limits
Engine pops
High / erratic ITT
Tq oscillations
Engine compressor stall
Collective - reduce, maintain slow flight
Heater - on
ITT and N1 - check
Land as soon as practicable
Rpm increase - decrease stops working
Governor actuator failure
If stuck at full :
Throttles - roll back to maintain 97-100% N2
Land as soon as practicable
Stuck low: performance maybe deceased.
Master caution
Red XMSN OIL PRESSURE light
Transmission oil pressure <30psi
Collective - reduce to min required
Confirm - check pressure gauge
If below limit - land as soon as possible
Secondary indications - land immediately
Master caution
Red CBOX OIL PRESSURE light
C’BOX low oil pressure < 40psi
Confirm - check pressure gauge
If confirmed
Collective. - reduce to min required
Land as soon as possible.
Master caution
red ROTOR BRAKE light
Rotor brake warning light
Rotor brake handle - check detent
If in detent and light still illuminated
Land as soon as possible
Secondary indications - land immediately
A hardover or control disturbance is experienced
Hardover or abnormal control disturbance
Cyclic - manually control the attitude
Cyclic trim release - release and hold
Airspeed - reduce to below 115kts
TR pedals move but no response
Loss of TR pitch control
Airspeed handling check - perform 60kts
Passengers - brief
Approach/landing - IAW handling assessment and fixed pitch procedures
Red XMSN OIL PRESSURE light
Transmission oil pressure < 30
Collective - reduce to min req’d
Confirm - check pressure gauge
If below limit
Land as soon as possible
If secondary indications - land immediately
Master caution
C’BOX CHIP light
C’BOX chip light
Collective - reduce to min power req’d
Monitor - CBOX T and P’s
IAS and Altitude - maintain auto potential
Land as soon as practicable
Bang
Rapid right yaw
Possible roll
Possible pitch down
Loss of TR components
Throttles - idle
Collective - enter auto
Airspeed - 70kts
Pax - brief
Master caution
PART SEP OFF light
Particle separator failure
nb
Check CB’s in
If in
Check Part Sep Switch - OVRD ON
Red CBOX OIL TEMP light
C’BOX high oil temp > 115
Confirm - CBOX T and P’s
If confirmed - reduce to min required power
IAS - reduce to 70 if prac
Land as soon as possible
Master caution
Two DC GENERATOR lights illuminate
All lighting and avionics on non-esntl bus inoperative
Double generator failure
Check CB’s
Gen switches - reset then ON
Master caution
NO 1 or 2 FUEL BOOST light
Boost fuel pump failure
Fuel xfeed may illuminate
Boost CB’s - check
Check boost pump switches
Master caution
FUEL LOW
Low fuel warning light < 190lb on one side
Check fuel guage
Diff < 100lbs per side - land as soon as prac
Diff > 100lbs per side
INTCON sw - OVRD close
Land as soon as possible
Cyclic starts to drive itself away from actuator position indicators
AUTOTRIM runaway
Cyclic - manually control aircraft attitude
Cyclic force trim - release
IAS - reduce <115kt
During the cruise
Rapid right yaw
Possible roll and pitch down
Loss of TR trust in level flight or power descent
Throttles - closed to flight idle
Collective - enter auto
Airspeed - 70 or 90
Pax - brief
You call ‘committed’ during an approach then,
Tq spilt rotors low
ENG 1 or 2 OUT light illuminates
Engine failure on approach after committed
Collective - adjust to contain Nr
Cyclic - attitude to reduce ground speed
Collective - cushion landing then lower smoothly
Cyclic/pedals - correct drift
Stuck pedal - left pedal forward - ball right
Excessive thrust - ball right
Beep down - Nr 97%
Accept up to 45deg nose left
Wind from right
Control hdg with throttles (index finger points in direction)
Control during touch down can be assisted by winding off throttle and simultaneously raising collective
Master caution
FUEL VALVE light
Fuel valve not properly seated or CB popped
CB - check
Land as soon as practicable
Stuck pedal - right pedal forward - ball left
Insufficient thrust - ball left
SARL
Max nose right = 20 deg
Greater than 20deg = auto
Safe run on speed = 60kts
Wind from left
Fly level at 5ft, then wind back throttles and land
ADI has red FD flag appear
Flight director failure - ignore pitch and roll bars
Check CB’s - reset
ADI and HSI show a red GS flag
Glide slope signal unreliable
Monitor raw GS data
Continue using cyclic ATTD TRIM switch and collective to maintain airspeed and glide slope.
HSI flag appears
VOR OR LOC signal unreliable
Continue in HDG or ATT mode
Check CB’s
OFF flag appears in HSI
DG failure - hdg info unreliable.
Check CB’s
Continue in any mode except - HDG
In the event of an apparent malfunction of the pilot altimeter, IVSI and/or ASI what should you do?
Select ALTN static source.
