R66 warning lights + audio alerts

MR Temp/Press light

excessive temp/press in MRGB

land immediately

Engine Fire light

Indicates: possible engine fire

Engine Fire in Flight EP

Engine Oil light

indicates: loss of engine oil pressure

look at Oil Pressure Guage

• If it confirms — land immediately

• If showing still good — LASAP

  • Check N1

    • if N1 < 50% (possible flameout)

      • air restart — pilot’s discretion

MR CHIP light

indicates: metal particles in MRGB

• w/ engine indications — Land immediately

• no indications — LASAP

TR CHIP light

indicates: metal particles in TRGB

• w/ engine indications — Land immediately

• no indications — LASAP

ENGINE CHIP light

indicates: metal particles in engine

• w/ engine indications — Land immediately

• no indications — LASAP

GEN light

Indicates generator failure

1. non-essential electrical equipment - OFF

2. switch GEN to RESET, then back to ON

3. If light stays on — LASAP

LOW FUEL light

5 gal usable remaining = 10 min @ cruise power

<12 GAL light

12 gal remaing = 15-20 min before LOW FUEL light

@ CG limits — ± 4 gal

• aft, left = <12

• fwd, right = >12

FUEL FILTER light

fuel filter contamination

• w/ engine indication — Land immediately

• w/o other indication — LASAP

LOW RPM Light or LOW RPM Horn

rotor speed < 95%

1. immediately, collective — lower

2. throttle — verify FULL OPEN

3. (in fwd flight) Cyclic — aft

note: collective full down disables the horn

COWL DOOR light

baggage compart door, fuel filler cowl door, or engine cowl door is not closed

1. land as soon as practical

AIR FILTER light

air filter contamination/blockage

1. LASAP

2. inspect filter

EMU light

while pressing test button:

flashing 2x per second / no illumination = fault of EMU circuit

flashing 4 times per sec = exceedance

• finish flight as normal, have maintenance inspect before next flight

ROTOR BRAKE light

rotor brake is engaged

• release immediately in flight

• release immediately before starting engine

HYD light

indicates: hyd system is switched off

HIGH RPM Warble

high/low tones alternate

occurs when R rpm approaching 106%

• collective — raise as required

HIGH TORQUE/MGT Beep

During flight:

beeps when engine/MGT above 5 min limits

(engine torque > 100% or MGT > 782*F)

• collective — lower (to reduce power)

during start = MGT above 860*F

1. fuel cutoff — OFF

2. wait 10 sec

3. ignitor switch — OFF