LUH72 Progression Deck Flashcards
Engine Failure at OGE Hover steps
CACRASS
- Collective- adjust to maint. rotor
- A/S- increase if possible
- Collective- adjust OEI limit or below (12FLI)
- Rotor speed- trim to MAX
- A/S- gain 65kts (Vy)
- Collective- reduce to OEI MCP / blw (11FLI)
- Aff Eng - ID
- SE/ES - Perform
- Land - ASA Practicable
Engine Failure at OGE Hover Procedures
- collective adjust, rotor trim to max, 20 deg nose down, maintain trim/heading.
- excel through 30 KIAS, adjust collective 2.5 min OEI (12FLI); excel through 45 KIAS.
- 200’ AGL and/or clear of obstacles, adjust to 65 KIAS, adjust to OIC MCP or below
Engine Failure Low Altitude/Low Airspeed/Cruise Flight Steps
ORAS
- OEI Flt- Est
- Rotor Speed- Trim to MAX
- Aff Eng - ID
- SE/ES - Perform
- Land
Engine Failure Low Altitude/Low Airspeed/Cruise Flight Procedures
- announce engine failure, collective adjust to maintain RPM R, trim rotor to max, and adjust to OEI flight, maintain trim
- near landing adjust to 65KIAS, shallow approach, trim
- 50’ AGL and 40KIAS, running landing, NTE 300fpm descent, land w/ max FLI min fwd a/s
Autorotation Steps
CADB
- COL - reduce to maintain rotor speed
- A/S - maintain 70-90kts
- Dual Eng / ES - Perform
- Batt Mstr swtch- Off
Autorotation Procedures
- lower collective until engine and Rotor RPM split, maintain (60-90) 75* KIAS, trim
- NLT 200’ AGL ensure steady state auto is attained:
- RPM R in limits
- Airspeed
- Trim
- Landing area assured - Terminate with one of the 2 options:
- Power Recovery - abort
- Terminate with Power - continue w/ maneuver - 100’ AGL aft cyclic to deccel flare 15-20deg nose up, maintain alignment w/ landing
- 10’-15’ AGL collective to control descent/ground speed, reduce flare to 7deg, estab landing attitude
- come to stop at 5’ AGL, hover
Perform Manual Throttle (low side failure) Underspeed Steps
OBVANT
- OEI Flt- Est
- Bleed air consumers - Off
- VARNR - Chk Man
- Aff Eng- ID
- N2 Trim- comp NRO / Match TQ
- Twist Grip (aff eng)- Rels Stop - Rotate toward flt, stabilize Normal rng /FLI needles match
- Land - ASA Practical (perform VMC App. w/ man throttle. twist grip Idle before lowering COL)
Perform Manual Throttle (high/low side failures) Procedures
- confirm condition, identify malfunction, announce corrective action
- after landing, rotate twist grip to fly prior to placing collective in the full down position
Warning* - do not let limiting stop fall into place when #2 throttle is in the EMER area.
Caution* - releasing #1 safety throttle latch is difficult, will take longer to release
Fixed Pitch Steps
CASSALAA
- COL - reduce to min SS
- A/S - 70kts or >
- Suit land area - SEL
- Shall app w/ nose left (perform is 40kts w/ nose left)
- A/S - Reduce to aligne nose with FLT direction
- Landing - Perform
* (If nose right above 40kts:) - A/S - Increase
- App - Abort/climb
- Auto - perform
Fixed Pitch Procedures
- airspeed 70 KIAS or above, intercept and maintain approach angle, slow to 40 KIAS, <300fpm rate of descent, nose left - continue (right - abort)
- arrive over the first 1/3 of the landing area approx 5’ AGL w/ nose left
- maintain altitude while decreasing a/s until aligned w/ landing direction, apply fwd cyclic
* collective increase will increase right yaw*
Perform Manual Throttle (high side failure) Overspeed Steps
CVNAT
1.COL - raise to maint. N2/NRO w/in limits
2. VARNR - Chk Man
3. N2 trim - NRO to 101 w/ match TQ
(If not possible:)
4. Aff Eng - ID
5. Twist grip - rotate toward Idle stabilize in Normal Rng/FLI needles match
6. Land - ASA Practical (perform VMC app w/ man throttle. Twist grip Idle before lowering COL)
Single Engine Emergency Shutdown
will situation allow for OEI flight?
1. Twist grip (aff eng) - Rotate slowly to Idle, check indications, then OFF
2. Rotor Speed - Trim to MAX
(Bleed air heating - will be shutdown automatically, depending on power margin of remaining eng - may be turned back on as follows:)
2. BLD HTG EMER/NORM sw - EMER
3. BLD HTG rheostat - ON
OEI Flight Conditions Establish in case power of Aff Eng Tends to Zero:
- Maintain ENG w/in Safe OEI Limits (12FLI or blw)
- Maintain A/C w/in Safe OEI limits (Airspeed: Max A/S 110kts below 12FLI……. OR……. Max 65kts between 12-14 FLI)
NOTE: If a climb is necessary to reach safe flt altittude, attempt to obtain 65 Vy (best rate of climb) or 45 Vx (best climb gradient speed). Then establish A/S between 65-110kts.
OEI Flight Conditions Establish in case power of AFF ENG Still Delivers Power:
- Establish steady level flight and determine if the situation will allow for OEI flight by setting AFF ENG to IDLE and maintaining the Normal ENG w/in appropriate OEI limits.
- *If ENG PWR is sufficient for OEI flight (w/ 1 ENG Idle and 1 ENG Normal) continue w/ remaining steps of the relevant procedure and Land ASA Practical.
- *If ENG PWR is NOT sufficient for OEI flight: Land ASA POSSIBLE
- Then perform SE/ES
* If necessary try to escape from danger w/ both ENGs operating
* To determine if the situation will allow for OEI flight - rule of thumb - check that the sum of individual ENG TQs is lower than the OEI TQ limit
Land Immediately
The urgency of the landing is paramount. Primary considerations is to assure survival of the occupants. Landing in water, trees or other unsafe areas should be considered only as a last resort.
Land as soon as POSSIBLE
Land w/out delay at the nearest adequate site (i.e. open field) at which a safe approach and landing can be made.
Land as soon as practical
The landing site and duration of flight are at the discretion of the pilot. Extended flight beyond the nearest approved landing area where appropriate assistance can be expected is not recommended.
Resetting tripped Circuit Breakers
A tripped CB shall not be reset In-Flight unless doing so is consistent with EP. No attempt should be made to reset a CB if it trips a second time.
Basic Rules for Emergency Procedures
- Maintain Aircraft Control
- Analyze the Situation
- Take Proper Action
FLI: Starting Maximum (red hollow triangle)
FLI : 8.5
Time: N/A
TQ: NA
TOT: 785
FLI: Starting Transient (red solid triangle)
FLI: 11
Time: 5 sec
TQ: N/A
TOT: 865
FLI: Starting Normal Range (white band)
FLI: 6-7
Time: N/A
TQ: N/A
TOT: 650-700
FLI: AEO T/O Pwr Rng (yellow band)
FLI: 8.5-10
Time: 5 min
TQ: 71-88%
TOT: 845
FLI: AEO Max T/O Pwr (red vertical rectangle)
FLI: 10
Time: 5 min
TQ: 88%
TOT: 845
FLI: AEO Transient (red dot)
FLI: 10.5
Time: 12 sec (unintentional use)
TQ: 97%
TOT: N/A
FLI: OEI Max Cont. Pwr (MCP) (yellow vertical 2 blocks)
FLI: 11
Time: N/A
TQ: 91.5%
TOT: 845
FLI: OEI Transient Pwr (2.5 min) (red vertical 2 blocks)
FLI: 12
Time: 2.5 min (unintentional use)
TQ: 125%
TOT: 885
FLI: OEI Transient (red split dot)
FLI: 14
Time: 12 sec (unintentional use)
TQ: 140%
TOT: N/A
FLI Starting limits
FLI: 6-7
TOT: 650-700c (white range, normal start)
FLI: 8.5 - 11
TOT: 785-865c (Transient - 5 seconds / Red triangles)
AEO FLI/TQ/Airspeed Limits
FLI: 0-8.5 : cont. ops 0-71% TQ 8.5 : MCP 71% TQ 8.5-10 : T/O Pwr Rng (5 minutes) 71-88% TQ **A/S limited to 65kts above 8.5 FLI** 10 : MAX (red line) 88% TQ 10-10.5 : Transient (12 sec unintentional) 88-97% TQ 10.5 : MAX (red dot) 97% TQ
OEI FLI/TQ/Airspeed Limits
FLI: 0-11 : Cont. Ops *(MCP)* 0-91% TQ 11-12 : Transient (2.5 min) 91.5-125% TQ A/S : limited to 110kts or 65kts if >12 FLI 12 : MAX (red line) 125% TQ 12-14 : Transient (12 sec unintentional) 125-140% TQ 14 : MAX (red dot)
AEO Over-Torque Limits
- Anytime greater than 8.5-10 FLI for over 5 min
- Anytime greater than 10-10.5 FLI for over 12 sec
- Anytime greater than 10.5 FLI
- Anytime A/S >65kts if FLI is over 8.5
OEI Over-Torque Limits
- Anytime greater than 11-12 FLI for over 2.5 min
- Anytime greater than 12-14 FLI for over 12 sec
- Anytime above 14 FLI
- Anytime A/S >65kts if FLI is over 12
Triple Tach Limits: ENG RPM Limits (N2: outer scale: #1/#2 needles)
N2 Eng / Rotor Limits:
- 96-104% - cont. operations (green arc)
- 96% - Min (red line)
- 104% - Max (red line)
- 106% - max over speed transient (12 sec or 5 min depending on pwr)
* 12 sec if high pwr / eng TQ >2 x 30%
* 5 min if low pwr / Eng TQ < 2 x 30% - 85% - Max Underspeed transient (20 sec)
Triple Tach Limits: Rotor RPM Limits (inner scale: “R” needle, pwr ON)
Rotor Limits (PWR ON) are same as N2 Limits (PWR ON)
Triple Tach Limits: Rotor RPM Limits (inner scale “R” needle, pwr OFF)
Rotor Limits (PWR OFF)
- 80-104% (GM2000kg / 4410 lbs) - cont. Ops
- 104% - Max (red line)
- 110% - MAX, 12 sec transient (red dot)
Describe NRO Warning Light / Audio Sys.
NRO <95% : steady RPM light, low beeping tone
NRO 106-110% : Flashing RPM light w/ Warning Gong every 3 sec
NRO > 110% : Flashing RPM light w/ high steady pitch tone
EP for “Rotor RPM” Warning light:
- Rotor RPM Indicator - check
- COL Lever - Adjust as necessary to maintain NRO w/in normal range
What is the N2 overspeed Caution?
N2 over-speed over 123.1% may result in an engine over-speed trip (auto eng shutdown)
What rotor speed is maintained by VARTOMS?
The VARTOMS will control rotor speed automatically.
A/S /_ 55kts - rotor RPM will be controlled between 96.5-102%
*Note: If TQ split exceeds 15%, the VAR NR caution lgt appears and the MAN pb is yellow illum. TQ can be sync’d w/ the 4-way beep sw on the COL. Once TQ split less than 15% VARTOMS should return automatically to norm.
**Note: if N1 indicators show a difference of 10% or more ENG SPLIT caution lgt will appear on CAD.
Main Rotor Mast Moment Limits
Normal Range: left side of yellow >50% Caution Range: Yellow region 50-64% Maximum: Red bar/red circle region 64% Transient (25 sec): >64-77% Transient (7 sec): >77-90%
Mast Moment Caution
Mast Moment limitations can be exceeded while on the ground and collective is in the full down and locked position. Crewmembers must exercise extreme caution when entering and exiting the pilot stations to avoid contact w/ the cyclic w/ main rotor turning.
Mast Moment Exceeding the Red bar/Circle “Limit Lgt” / “Exceed Lgt”
A warning gong and a red box with “Limit” will come on at >64%.
All these indications disappear upon leaving the red bar/circle.
If >77% the MM “Exceed” light will come on and will NOT disappear.
Logbook entry and maintenance action is required whenever “Limit” or “Exceed” caution light has been exceeded.
MM maintenance action required if Total Accumulated Time Exceeds:
> 64% for 25 sec or >77% for 7 sec
Check log book form for accumulative time for each.
EP for MM EXCEED
MM >77% “Exceed” caution light will remain ON.
Land ASA practical
(avoid maneuvers causing high MM. Logbook entry required.)
What are limits for ENG Oil Pressure?
Min: 1.3 bar
Caution rng: 1.3 -1.5 bar
Cont.: 1.5-5.0 bar
Max: 5.0 bar
*NOTE: ENG Oil Pressure may exceed 5.0 bar during start must stay at idle until normal pressure.
What are limits for ENG Oil Temperature?
Min: -10c
Mac: 115c
What are limits for Transmission Oil Pressure?
Min: 1.0 bar
Caution rng: 1.0-1.5 bar
Cont.: 1.5-5.0 bar
Max: 5.0 bar
*NOTE: XMSN Oil Press Lgt “ON” between 1.0 to 1.4 bar during eng Idle /low RPM is acceptable.
What are limits for Transmission Oil Temperature?
Min: -10c
Max: 105c
EP for “ENG OIL P” (low)
- ENG Oil Press - Check
- OEI Flt cond - Estab
- Aff ENG - ID
- SE / ES - Perform
- LASA Practical
EP for “ENG OIL T” (high)
- OEI Flt cond - Estab
- Aff ENG - ID
- Twist Grip aff eng - Adjust TQ to 20-30% / oil temp monitor
* 4. If temp below limits: LASA Practical
* 4. If temp above limits: SE/ ES - Perform - LASA Practical
EP for “XMSN OIL P” (low)
Warning gong will acitvate If ONE XMSN Oil Press Lgt: 1. Power - Reduce 2. LASA Practical If BOTH XMSN Oil Press Lgts: 1. LAND IMMEDIATELY
EP for “XMSN OIL T” (high)
- XMSN (P) / XMSN (T) - Check
* If w/in limits: - LASA Practical
* If above limits: - Power - Reduce as much as possible
* If remains above limits: - LASA POSSIBLE
EP for “ENG CHIP Lgt”
- OEI Flt - Estab
- Aff ENG - ID
- *Alternate #1: SE/ES - Perform
- *Alternate #2: Twist Grip aff eng - Rotate slowly to Idle, check indications
- LASA Practical
Airspeed limitations (0-50kts limits - 10 total)
- 15kts: Max rearward flight w/ hinged doors spoiled position
- 17kts: Hover - IGE - X wind limitations (>7000DA), Controllability assured
- 30kts: Hover - IGE - X wind limitations (
Airspeed Limitations (55-110kts limits)
- 55kts: Pre-landing check - check RPM 101 when A/S below 55kts (VARTOMS = A/S <55kts = 101-103.5% / A/S >/_ 55kts = 96.5-102%)
- 60kts: Front doors must be spoiler positions with sliding doors open
- 65kts: Vy, best rate of climb A/S (Vne is 65kts when above AEO 8.5 or OEI 12)
- 70kts: Min A/S (T/R Malf) until final then - 40kts w/ nose left
- 90 kts: MAX for AUTOs (60-90kts / recommend 75kts)
- 100kts: Max w/ hinged doors in spoiler positions
- 100kts: Max A/S FIRE
- 100kts: Max A/S w/ Cargo hook
- 110kts: Max A/S for OEI Flt (limited to 65kts if above 12FLI)
Airspeed Limitations NOTE
NOTE: Flying with doors open/removed is “Prohibited” during IMC flights.
(If doors open - max X wind Hvr = 30kts, Front doors spoil >60kts, Vne 100kts Cruise)
Airspeed Automatic Flight Control System (AFCS)
- 25kts: Max X wind for ILS App
- 30kts: min for Indicated A/S Mode (IAS) Engaged - acceptable is 30kts - Vne
- 30kts: Follow-Up Trim Activates <30kts (Decelerating) & Disengages >40kts (Accelerating)
- 60kts: Use of Go-Around (GA) mode Prohibited w/ IAS mode engaged & A/S <60kts
- 60kts: Min A/S req to engage Upper Modes; will disengage <20kts
- 70kts: Min A/S (Vmiml) app. is 60kts (AFCS); for IFR app (AFCS) is 70kts
- 80kts: Recommended A/S range for IMC app is 80-125kts
- 120kts: Hands-On operation (Cruise) after (AFCS) failure max; ILS app max is 100kts
Minimum Hands-Off Flying Altitudes?
T/O is 200ft AGL
Other times is 500ft AGL
FIRE WARNING LIGHT (ON GROUND)
- FIRE sw (aff eng) - Raise Guard - PRESS
NOTE: Aff ENG will shut down automatically, ACTIVATE indicator light, BOT 1 legend (both EMER OFF switch pnl), and F VALVE CL caution indication (CAD) come on. FIRE legend remains on as long as overheat condition exists) - Both FUEL PRIME PUMPS - Check OFF
- BOT1/BOT2 pb - Press (BOT1 activated) - EXT ind. lgt comes on EMER OFF SW pnl)
NOTE: Extinguisher bottle will begin discharging when N1<50%. After discharge of bottle contents, BOT1 legend and EXT light go off; BOT2 pb legend comes on. - Clock stop watch - start
- Double ENG ES - Perform
- Passengers - alert/evac
- If situation permits and FIRE warning is still on after 1 min:
- BOT1/BOT2 pb - Press (BOT2 Activated)
- BAT MSTR switch - OFF
FIRE WARNING LIGHT IN FLIGHT
- OEI Flt cond - Estab
- Airspeed - Reduce if IAS is exceeding 100kts
- FIRE sw (aff eng) - Raise guard - Press
NOTE: Aff ENG will shut down automatically, ACTIVATE indicator light, BOT 1 legend (both EMER OFF switch pnl), and F VALVE CL caution indication (CAD) come on. FIRE legend remains on as long as overheat condition exists)
NOTE: Extinguisher bottle will begin discharging when N1<50%. After discharge of bottle contents, BOT1 legend and EXT light go off; BOT2 pb legend comes on. - BOT1/BOT2 pb - Press (BOT1 activated) - EXT ind. lgt comes on EMER OFF SW pnl)
- Clock stop watch - start
- AFF ENG - ID
- SE / ES - Perform
- Passengers - Alert
- LASA POSSIBLE
If FIRE warning is still on after 1 minute: - BOT1/BOT2 pb - Press (BOT2 activated)
If FIRE warning remains on: - LAND IMMEDIATELY
WARNING LIGHT CABIN FIRE ON GROUND
- Double ENG ES - Perform
- Passenger - Alert/Evac
- Fire - Extinguish if possible
WARNING LIGHT CABIN FIRE IN FLIGHT
- A/S - 65kts recommended
- Passengers - alert
- Heating/air conditioning - OFF
- Fire - Extinguish if possible
- Fumes, smoke - eliminate, open sliding doors, windows and vents
- LAND AS SOON AS POSSIBLE
- After landing - Double ENG ES - Perform