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Flashcards in B412 Emergency Procedures Deck (70):
1

Single DC GENERATOR caution light

Non bold face

1. Check CB’s in

2. GEN sw......reset then on

Cx list continues....

3. Land as soon as practicable

2

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

3

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


4

ITT races up during engine start

Abort start:

- throttle - closed

- starter - maintain energised until ITT below 150deg C

- fuel switch - identify/off

- boost pump sw - off

5

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

6

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

7

Oil pressure caution light illuminates

Engine low oil pressure < 40psi

Collective - lower to within OEI power limits

Confirm - oil px gauge below limit

8

“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

9

Engine fluctuations

Engine fluctuation cx list

Safe flight condition - ensure

10

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

11

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

12

OVER TORQ light

Reduce power

Land as soon as prac

13

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

14

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

15

Fuel intcon caution light

Non bold face

16

Master caution

Heater air line light

Heater sw - OFF

17

Master caution

Door lock

Non bold face

All doors - cx closed

IAS - reduce to 60kts

18

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

19

Master caution

NO 1 or 2 GEN OVHT light

DC GEN sw - off

20

Master caution

NO 1 or 2 HYDRAULIC light

Confirm failure - verify with gauge

< 650psi / temp > 88 deg

Land as soon as possible

21

Master caution

42/90 BOX CHIP

Land as soon as practicable

If secondary indications

Land immediately.

22

“ 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

23

Engine oil temp gauge shows 130deg

Limit = 120 deg

Engine oil temp high

Collective - lower within OEI

Cx list

24

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

25

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.

26

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

27

Master caution

NO1 & NO2 FUEL BOOST light

Double fuel boost pump failure

Fuel boost pump switches - check both on

Cx - CB’s

28

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

29

Master caution

NO1 or 2 INVERTER light

Single AC inverter failure

Cx remaining inverter has taken load

30

Master caution

NO1 or 2 FUEL TRANS light

Fuel transfer light

Cx - CB’s

Cx - switches

31

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

32

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

33

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.

34

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

35

Master caution

NO1 or NO2 FUEL FILTER light

Fuel filter light - filter partially blocked

NB

Reduce power

36

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

37

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

38

Master caution

NO1 or NO2 FUEL BOOST light

Boost fuel pump failure

nb

Cx CB’s

39

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

40

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

41

Master caution

AUTOTRIM light

Auto trim failure

AP 1 or AP 2 - cycle off then on

42

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

43

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

44

Smoke and fume elimination

Vent blower sw - on

Vents/windows - open

45

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

46

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

47

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.

48

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

49

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.

50

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

51

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

52

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

53

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

54

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

55

Bang

Rapid right yaw

Possible roll

Possible pitch down

Loss of TR components

Throttles - idle

Collective - enter auto

Airspeed - 70kts

Pax - brief

56

Master caution

PART SEP OFF light

Particle separator failure

nb

Check CB’s in

If in

Check Part Sep Switch - OVRD ON

57

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

58

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

59

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

60

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

61

Cyclic starts to drive itself away from actuator position indicators

AUTOTRIM runaway

Cyclic - manually control aircraft attitude

Cyclic force trim - release

IAS - reduce <115kt

62

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

63

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

64

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

65

Master caution

FUEL VALVE light

Fuel valve not properly seated or CB popped

CB - check

Land as soon as practicable



66

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

67

ADI has red FD flag appear

Flight director failure - ignore pitch and roll bars

Check CB’s - reset

68

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.

69

HSI flag appears

VOR OR LOC signal unreliable

Continue in HDG or ATT mode

Check CB’s

70

OFF flag appears in HSI

DG failure - hdg info unreliable.

Check CB’s

Continue in any mode except - HDG