Master Caution Annunciators Flashcards
ENG 1/2 FAIL (red)
N1 of indicated engine decayed below 65% with ECL in FLIGHT
ENG 1/2 OIL PRESS LOW (red)
Engine oil pressure is below 15-19 psi
ROTOR BRAKE ON (amber)
Rotor brake pressurized OR handle not stowed
ENG 1/2 OIL LEVEL (amber)
Sufficient engine oil remaining for 2 hours of flight at normal consumption rates
STEERING FAIL (amber)
Power steering electrical circuits failed OR steerable landing gear exceeded steering limits
DOOR UNLOCKED (amber)
Cabin door is unlocked
NO 1/2 DC ESS BUS (amber)
Electrical power to DC Essential Bus failed
AFCS* (amber)
AFCS failure, refer to AFCS panel indicator for failed system and axis
RAMP OPEN (amber)
Ramp is not locked
ENG 1/2 XMSN HOT (amber)
Engine transmission temp above 205*C
XMSN OIL HOT* (amber)
Oil in one of 5 transmissions above 140*C
HEATER HOT (amber)
Temp in heater outlet exceeds 300*C
L/R FUEL LOW (amber)
Fuel level in tank below 1200 pounds
XMSN OIL PRESS* (amber)
Main oil press in one of 5 transmissions below 20psi
L/R FUEL BOOST (amber)
Fuel press in fuel supply line less than 10psi
XMSN AUX PRESS* (amber)
Aux oil press in one of 5 transmissions less than 10psi
ENG 1/2 FUEL PRESS (amber)
Pressure in engine fuel supply line dropped below 10-13psi (not connected at engine)
GEN 1/2 FAIL (amber)
Generator contactor has opened and generator offline
GEN 1/2 HOT (amber)
Internal temp of generator has exceeded 150*C
TR 1/2 FAIL (amber)
TR contactor has opened and TR is offline
TR 1/2 HOT (amber)
Internal temp of TR exceeded 150*C
NO 1/2 AC ESS BUSS (amber)
Power to AC Essential Bus failed
AFT RAMP SMOKE (amber)
Smoke detected in ramp area
BATTERY OFF (amber)
Battery switch is off
Battery relay opened automatically
Or battery relay has failed
EMERG GEN BEARING (amber)
Emergency generator potential bearing failure
HYD 1/2 PRESS (amber)
Pressure in flight controls hydraulic system below 2,000psi
HYD OVERTEMP* (amber)
Fluid temp in one or both flight control hydraulic systems OR utility system exceed 138*C
Check overhead HYD indicator lights to identify system
EMER HYD FAIL (amber)
Backup flight boost pump pressure less than 2,000psi
L/R FUEL JETTISON (amber)
Indicates fuel jettison valve is open
XMSN CHIP DET* (amber)
Metal particles detected in forward, combining, or aft transmission oil system, OR in aft vert shaft bearing
APU ON (amber)
Both ECLs in FLIGHT, APU operating
ENG 1/2 CHIP DET* (amber)
Metal particles detected in associated engine OR engine transmission lubrication system
ICE DETECTED (amber)
Ice building on detector probe in aft pylon
EXT PWR ON (green)
External AC or DC power online
ENG STARTER (green)
One or both engine start switches are at MOTOR or START
PARKING BRAKE ON (green)
Pressure in one or both brake systems greater than 550-620psi
EMERG GEN READY (green)
Emergency Generator and Emergency TR systems available
HOOK OPEN (green)
Cargo hook is open
APU ON (green)
APU is up to speed
GROUND CONTACT (green)
Left and/or right aft landing gear has made ground contact
LDG LT ON (green)
One or both landing light filaments switch ON
EMERG LTS OFF (green)
Emergency exit light switch is OFF
