EP Flashcards
Autorotation Procedures
- Lower Collective
- IAS to 65Knots
- FFCL off (relighting impossible or tail rotor failure)
Time Permitting: Fuel shutoff closed, Fuel Ps off, Emer Shed
4, Manuever into the wind - 70 feet initial flare
- 20 feet continue flare
gradually increase collective, cyclic forward to slight nose up attitude (<10°C), adjust pedals to cancel sideslip, increase collective to cushion landing. Once aircraft has stopped: lower collective to full low pitch, Apply rotor brake <170 rpm
In-Flight Relight
- Fuel P both on.
- Ng- below 30%
- Normal light procedure
Need at least 1000 feet to complete procedure
Governor Failure (Nr Drop)
- Lower collective (Nr in green)
- FFCL-check in detent
If yes: - Autorotation Procedure
- FFCL- forward to Emergency Sector (check Ng and T4 increase, Ng to 70%)
- Adjust collective to NR at 350RPM
- FFCL forward to NR 380RPM
- Collective/FFCL continue to adjust to maintain level flight at 380RPM LAND AS SOON AS PRACTICABLE
- Shallow appraoch at Vy
- Collective Pitch/FFCL, adjust step by step to maintain Nr at upper limit of green arc.
Final Approach - reduce forward speed, keeping FFLC steady
- No-hover slow running landing (around 10kts).
- Retard FFCL before lowering collective pitch
IF NOT
- FFCL to flight
- Adjust collective pitch
Governor Failure (Nr Increase)
Failure (Nr Increase) Do not lower collective 1. Increase Collective pitch to maintain Nr within limits 2. FFCL retard to set Nr in green arc LAND AS SOON AS POSSIBLE
Surging
Hunting of Ng, Tq, T4 indications and jerks in yaw axis
1. Lower collective pitchSurging subsides
LAND AS SOON AS PRACTICABLE
Surging Persists:
2. Check fuel and engine oil pressure
3. FFCL retard to exit governed range
4. Adjust Collective to Maintain 380RPM
Surging ends: LAND AS SOON AS PRACTICABLE
Surging Persists: LAND AS SOON AS POSSIBLE
Approach like NR dropEngine Parameters diverging:
LAND IMMEDIATELY
Autorotation Procedures, Shut down engine
Loss of Tail Rotor Effectiveness (Hover IGE)
LAND IMMEDIATELY
- FFCL- retard
- Collective Pitch- Increase to cushion touchdown
Loss of Tail Rotor Effectiveness (Hover OGE)
- Reduce Collective Pitch (depending on height)
- Forward Cyclic to gain speed
- Maintain Vy or higher
LAND AS SOON AS POSSIBLE
Loss of Tail Rotor Effectiveness (In Cruise Flight)
- Cyclic- maintain Vy or higher
- Lower Collective to avoid sideslip
LAND AS SOON AS POSSIBLE - Retard FFCL
- Autorotative Landing
Loss of Tail Rotor Control
Jamming of pedals, or loss of effectiveness. Easier landing with RH Wind, airspeed less than 20 knots go around is impossible due to loss of vertical fin efficiency
1. Adjust Cyclic and Collective to 70knots IAS in level flight
2. Determine position of stuck pedal
3. Consider depressing ACCU TST
4. Running Landing
Shallow approach with slight left sideslip, sideslip will be reduced progressively as collective is applied to cushion landing
Smoke in the Cockpit (Source not Identified)
Heating and Demisting off Smoke Clears- Continue Flight Smoke Doesn't Clear: 1. [Batt] EMER SHED 2. [GENE] off 3. [Avionics] off 4. VentilateWhen Smoke Clears 5. All Consumers Off 6. [Batt] on, check DC parameters 7. [GENE] on, Check DC Parameters Smoke doesn't clear: LAND AS SOON AS POSSIBLE Smoke clears:Not Correct: [GENE] off, unecessary equiptment off, monitor U bus on VEMD LAND AS SOON AS PRACTICABLE Correct: All consumers on one-by-one to identify failed system, then keep it off, CONTINUE FLIGHT When [BATT] is set to EMER SHED position the VEMD goes off. Apply the procedure for VEMD screen failure
Smoke in the Cockpit (Source Identified)
- Corresponding system off
- Ventilate the cabin
Continue Flight depending on the failed system.
Engine Failure Hover IGE
- Maintain collective pitch
- Control Yaw with pedals
- Increase collective to cushion landing.
Engine Failure Hover OGE
- Collective- full low pitchwhen Nr stops decreasing
- Cyclic forward to gain airspeed
- Complete Autorotation
Governor Failure Nr Drop in a Hover IGE
- Maintain Collective
- Control Yaw
- Increase Collective to Cushion landing
- Retard FFCL
Governor Failure Nr Drop in a Hover OGE
- Collective full low pitch
- Cyclic forward to gain airspeed
- FFCL- check in flight detent
If yes, complete autorotation
If No, FFCL in detent, adjust collective to maintain Nr in green arc
VEMD Failure
one screen
- Turn off failed screen. [OFF1] or [OFF2]
2. Read all available on the other screen.Use scroll button to change screens.
VEMD Failure two screens
Can be when BAT/EPU, GENE or EMER SW are in off position
1. Set IAS to 100kts minus 2kts/1000ft
LAND AS SOON AS PRACTICABLE
No hover landing
Caution Messages on VEMD
When a parameter is offline, the value is not displayed and the paramater scale symbology is displayed in yellow. Pilot shall comply with the action requested. No light on caution and warning panel, no other action is required of pilot.
Abnormal Nr/Nf Indication
Nr Indication failure: 1. Collective: maintain Tq >10% NR reading is given by Nf pointer LAND AS SOON AS PRACTICABLE Nf Indication Failure: 1. Nr Guage- check in green range with Tq>0. CONTINUE FLIGHT
Abnormal Engine Parameter Indication:Engine Oil Temp over 115°C
1. Set Airspeed to 80Kts Temperature reduces: LAND AS SOON AS PRACTICABLE check cooler fan operation Temperature doesn't reduce: LAND AS SOON AS POSSIBLE
Abnormal Engine Parameter Indication: Low Engine Oil Pressure
- Check for Eng P light.
If light: LAND IMMEDIATELY, autorotation procedure
No light: - CWP light test.Light not working:
LAND IMMEDIATELY
Light Working: LAND AS SOON AS PRACTICABLE
Abnormal Engine Parameter Indication: Zero Fuel Pressure
- Check [FUEL P] both on
- CWP check FUEL P
- Light not on then Fuel Pressure Guage Failed
CONTINUE FLIGHT