EPM Parameters, Warning Lights & Sounds Flashcards Preview

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Flashcards in EPM Parameters, Warning Lights & Sounds Deck (29):
1

EPM Parameter: Carb T
Exceeds: Yellow Arc

1. Check how much bricks are lightened
2. Move carb heater switch to HOT as
necessary,
3. Check brick appears and temp gets out of yellow and CONTINUE FLIGHT
If stays, avoid prolonged flight at low power setting.
In case of carb. icing,
LAND AS SOON AS PRACTICABLE
Carry-on a cautious landing.

2

EPM Parameter: CHT
Exceeds: Red Arc

If in hover, land or depart in translation
If in translation, reduce power
If indication stays into red arc,
LAND AS SOON AS PRACTICABLE
Once landed, keep nominal NR for cooling

3

EPM Parameter: Oil T
Exceeds: Red Arc

If in hover, land or depart in translation
If in translation, reduce power
If indication stays into red arc,
LAND AS SOON AS PRACTICABLE
Once landed, keep nominal NR for cooling.

4

EPM Parameter: Oil T
Exceeds: Yellow Arc

Wait to apply full power
Allow to warm-up.

5

EPM Parameter: Oil Pressure
Exceeds: Yellow Arc (6.6

Normal at cold starting and during engine warm-up,
Flight : reduce power. If stays into yellow arc :
LAND AS SOON AS PRACTICABLE

6

EPM Parameter: Oil Pressure
Exceeds: Yellow Arc (1.7

Normal at idle,
Flight : CLUTCH light should light soon after.

7

EPM Parameter: Oil Pressure
Exceeds: Red Arc (>7.9 bar)

Cold starting : allow engine to warm-up
Flight : reduce power If stays into red arc :
LAND AS SOON AS PRACTICABLE

8

EPM Parameter: Oil Pressure
Exceeds: Red Arc (

LAND AS SOON AS PRACTICABLE
Monitor OIL P warning light. If ON LAND IMMEDIATELY

9

EPM Parameter: Fuel Pressure
Exceeds: Red Arc (

1. Check boost pump ON
2. Reduce power and reach Vy = 50 kt IAS
LAND AS SOON AS PRACTICABLE

10

EPM Parameter: Fuel Pressure
Exceeds: Red Arc (>0.55 bar)

1. Switch boost pump OFF
2. Check a decrease
LAND AS SOON AS PRACTICABLE

11

EPM Parameter: Low Fuel
Exceeds: Display in Red

Check with LOW FUEL warning light
If ON : LAND IMMEDIATELY

12

EPM Parameter: Battery Charge
Exceeds: Yellow

Check ALT switch ON.
Battery is not being charged. Turn all non- essential equipment OFF.
LAND AS SOON AS PRACTICABLE
Caution : Prolonged flight without alternator can result in loss of electronic and electrical equipments.

13

EPM Alarm: CO (Amber)

Signification: Carbon monoxide cabin pollution
Corrective action:
1. Shut cabin heater OFF
2. Open vents
3. Ground or hover : change heading
4. If symptoms of CO poisoning (headache,
drowsiness, dizziness) accompany light,
LAND IMMEDIATELY

14

EPM Alarm: MGB/TGB Chips (Amber)

Signification: Gearbox degradation

Corrective action:
If alarm is accompanied by any indication of a problem such as noise, vibration or MGB temperature light,
LAND IMMEDIATELY
If there is no other indication of a problem,
LAND AS SOON AS PRACTICABLE

15

EPM Alarm: Fire (Red)

Signification: Engine compartment fire

Corrective action:
On the ground :
1. Shut cabin heater OFF,
2. Shut fuel valve OFF,When engine quits :
3. Switch all switches OFF,
4. Pull rotor brake,
5. Wait for complete rotor stop before evacuating the cabin.

In flight :
Once fire is confirmed :
LAND IMMEDIATELY
1. Shut cabin heater OFF,
2. Lower the collective to enter autorotation
3. Shut fuel valve OFF,
4. Shut fuel pump OFF,
5. Above 8000 feet AGL, increase airspeed to 90 kt IAS to accelerate the descent,
6. Perform an autorotation landing
7. Pull rotor brake
8. Wait for complete rotor stop before evacuating the cabin.

16

Caution/Warning light: Starter (Amber)

Signification: Starter is energized

Corrective action: Release starter button as needed

17

Caution/Warning light: Starter stays on (Amber)

Signification: If stays when starter button is released : starter relay is stuck

Corrective action:
Immediately pull the mixture OFF to shut the engine down and switch MASTER OFF.
Have starting system serviced.

18

Caution/Warning light: Gov off (Blue)

Signification: Governor is disengaged

Corrective action:
Control Engine/Rotor RPM with twist grip.
CONTINUE FLIGHT

19

Caution/Warning light: Gov off blinking (Blue)

Signification: Governor is inoperative

Corrective action:
If rotors are desynchronized from engine :
Apply collective to resynchronise
- If blinking stops
CONTINUE FLIGHT and keep rotor synchronized with engine

If rotors are synchronised with engine :
Disengage the governor
Control Engine/Rotor RPM with twist grip.
CONTINUE FLIGHT

20

Caution/Warning light: Brake (Amber)

Signification: Rotor brake engaged

Corrective action: Disengage and lock

21

Caution/Warning light: Oil Pressure (Red)

Signification: Low oil pressure

Corrective action: LAND IMMEDIATELY

22

Caution/Warning light: MGB T (Amber)

Signification: High gearbox temperature

Corrective action:
1. REDUCE POWER (Move to 50 - 80 kt IAS translation)
2. If MGB T° stays on and if light is accompanied by any indication of a problem such as noise or vibration,
LAND AS SOON AS PRACTICABLE

23

Caution/Warning light: Low Fuel (Amber)

Signification: About 12 liters

Corrective action:
LAND AS SOON AS PRACTICABLE
Avoid : sideslips & sharp maneuvers
If EPM reads

24

Caution/Warning light: ALT (Amber)

Signification: Alternator, regulator or battery charging malfunction

Corrective action:
Check ALT switch ON
Check charge indicator on EPM (BATT).
If green or white : battery is being charged. CONTINUE FLIGHT.
Have the alternator regulator serviced after flight.
If yellow : battery is not being charged. Turn all non-essential equipment OFF.
LAND AS SOON AS PRACTICABLE
Caution : Prolonged flight without alternator can result in loss of electronic and electrical equipment.

25

Caution/Warning light: Clutch (Amber)

Signification: clutch pressure too low or belt worn out

Corrective action:
Reduce power until light is off.
If continuous: Reduce IAS to 50 kt IAS
LAND AS SOON AS PRACTICABLE
Be prepared to enter autorotation

26

Aural warnings: Loud horn warning (a continuous tone)

When rotor speed approaches low speed limit.


27

Aural warnings: Loud horn warning (a intermittent tone)

When rotor speed approaches high speed limit.

28

Aural warnings: Loud horn warning (a short tone)

When the LOW FUEL light goes on.

29

Aural warnings: Beeper warning (a high-frequency continuous beep warns the pilot in THREE situations)

1. when oil pressure is lost with Plasma ignition ON – in conjunction with OIL P red warning light,
2. to warn that engine ignition is HOT at startup,
3. to prevent from leaving the Plasma ignition ON when leaving the helicopter (MASTER OFF as well as ON).