Audio warning: note
The pilot at controls shall wear radio/ ICS headset to monitor the audio warning through ICS.
Continuous Tone:
Intermittent Tone:
-NR above 410 RPM:
Collective- increase to maintain NR
Apply other procedure
Autorotation: cruise
Autorotation: Hover- IGE
Autorotation: Hover- OGE
Warning: safe auto cannot be guaranteed below the top of HV diagram.
In Flight Relighting:
Loss of TR Thrust: Hover- IGE or OGE in HV Diagram
Land immediately
Warning: safe auto cannot be guaranteed below the top of HV diagram.
Loss of TR Thrust: Hover- OGE out of HV Diagram
Simultaneously,
1. Collective- reduce
2. Cyclic- forward
3. A/S- Vy or higher
4. Collective- adjust to minimize side slip.
5. Land ASA Possible
If go around, carry out autorotation to suitable area
Warning: safe auto cannot be guaranteed below the top of HV diagram.
Loss of TR Thrust: Cruise
Loss of Tail Rotor Control
Over suitable area:
Shallow approach with slight left side slip. Running landing. Cushion with collective.
Warning:
Smoke Cockpit: not identified
Heat, Demist, ECS- Off, smoke clears: Fly 1. Batt- off 2. Gene- off 3. Avionics- off 4. Vent cabin Smoke clears: 5. All consumers- off 6. Batt- on, check DC 7. Gene- on, check DC Smoke clears? No: LASA Possible Yes: Are DC parameters good:
No: 8. Gene- off
9. Apply gene off line procedure: LASA practicable.
Yes: 8. Avionics- on
9. Minimum consumers on one at a time: continue flight- depending on equipment.
Caution: When EMER SHED is applied VEMD goes off. Apply procedure for failure both screens.
Smoke Cockpit: Identified
Note: After DC switched off and on in flight, GOV light remains illuminated until full shutdown of aircraft.
VEMD Failure:
One screen-
Both screens-
One: Off 1 or Off 2- Off
Read info from other screen, 3- parameter engine page automatically displays.
Both: To avoid any over limit max power will be power needed to establish:
Nr constant at 394 rpm.
Abnormal Nr/N2 Indication:
Nr:
1. Collective- Maintain TRQ > 10%
Nr reading is given by pointer
2. LASA Practicable
N2:
Note:
Engine Oil Temp: over limit
Temp reduce?
No: LASA Possible
Yes: LASA Practicable- check oil cooler fan.
Low Engine Oil Pressure:
CWP- Check ENG P
Yes: Land Immediately
No: CWP light- test
If illuminates during test:
LASA Practicable.
If no illumination:
Land Immediately
N1 Indicator Failure
Note: in this case, TOT limitations displayed are starting limitations.
N1 and TRQ:
GOV warning can cause loss of N1 and TRQ indications.
TOT indicator Failure:
LASA Practicable
Generator:
Generator: over voltage (>31.5 V)
U/BUS under voltage: (< 26.0 V)
No:
3. GENE procedure case A- apply
4. LASA Practicable
Note: probably generator defect.
Yes: Continue Flight.
ENG FIRE: start up
ENG FIRE: Hover, Takeoff, Final
2. Apply Eng Fire during starting procedure.