Annunciators
Chapter 16
ANNUNCIATORS
1. What will cause these lights to illuminate?
L DC GEN; R DC GEN
Left/right generator off the line.
2. What will cause these lights to illuminate?
L CHIP DETECT; R CHIP DETECT
Metal contamination in the left/right engine oil is detected.
3. What will cause these lights to illuminate?
L ENG ICE FAIL; R ENG ICE FAIL
Left/right engine selected anti-ice system is inoperative.
4. What will cause these lights to illuminate?
L BL AIR OFF; R BL AIR OFF
Left/right bleed-air flow control valve is closed.
5. What will cause these lights to illuminate?
L PITOT HEAT; R PITOT HEAT
Left/right Pitot Heat is inoperative.
6. What will cause these lights to illuminate?
L GEN TIE OPEN; R GEN TIE OPEN
Left/right generator bus isolated from the center bus.
7. What will cause these lights to illuminate?
L NO FUEL XFR; R NO FUEL XFR
No left/right auxiliary fuel transfer.
8. What will cause these lights to illuminate?
L FUEL QTY; R FUEL QTY
Left/right fuel quantity – less than 30 minutes continuous power.
9. What will cause this light to illuminate?
AUTOFTHER OFF
Autofeather switch is not armed and landing gear is extended.
10. What will cause this light to illuminate?
HYD FLUID LOW
Hydraulic fluid in the power pack is low.
11. What will cause this light to illuminate?
BAT TIE OPEN
Battery isolated from generator buses.
12. What will cause this light to illuminate?
RVS NOT READY
Propeller levers are not in the high rpm, low pitch position with landing gear extended.
13. What will cause this light to illuminate?
DUCT OVERTEMP
Duct air too hot.
14. What will cause this light to illuminate?
EXT PWR
External power connector is plugged in.
15. What will cause this light to illuminate?
OXY NOT ARMED
Oxygen arming handle not pulled or system failed to charge.
16. What will cause this light to illuminate?
PROP GND SOL
28 VDC is being delivered to one or both ground idle pitch stop solenoids.
17. What will cause this light to illuminate?
RUD BOOST OFF
Rudder boost switch OFF.
18. What will cause these lights to illuminate?
L FUEL PRES LO; R FUEL PRES LO
Fuel pressure failure on left/right side.
19. What will cause these lights to illuminate?
L OIL PRES LO; R OIL PRES LO
Oil pressure failure on left/right side.
20. What will cause these lights to illuminate?
L BLEED FAIL; R BLEED FAIL
Bleed air line failure on left/right side.
21. What will cause this light to illuminate?
DOOR UNLOCKED
Door not locked.
22. What will cause this light to illuminate?
CABIN ALT HI
Cabin altitude exceeds 12,000 feet.
23. What will cause this light to illuminate?
CABIN DIFF HI
Cabin differential pressure exceeds 6.9 psi.
24. What will cause these lights to illuminate?
L IGNITION ON; R IGNITION ON
Left/right ignition and engine start switch is on, or left/right auto-ignition system is armed and left/right engine torque is below 17%.
25. What will cause these lights to illuminate?
L ENG ANTI-ICE; R ENG ANTI-IC
Left/right engine anti-ice vanes in position for icing conditions.
26. What will cause these lights to illuminate?
L BK DEICE ON; R BK DEICE ON
Left/right brake deice system in operation.
27. What will cause this light to illuminate?
WING DEICE
Wing surface deice system in operation.
28. What will cause this light to illuminate?
FUEL CROSSFEED
Crossfeed is selected.
29. What will cause this light to illuminate?
MAN TIES CLOSE
Manually closed generator bus-ties.
30. What will cause this light to illuminate?
ELEC HEAT ON
Electric heat is on.
31. What will cause this light to illuminate?
TAIL DEICE
Horizontal stabilizer surface deice system in operation.
32. What will cause these lights to illuminate?
L PROP PITCH; R PROP PITCH
Left/right propeller is below the flight idle stop.
33. What will cause this light to illuminate?
CABIN ALTITUDE
Cabin altitude exceeds 10,000 feet.
34. What will cause this light to illuminate?
LDG/TAXI LIGHT
Landing light(s) or taxi light on with landing gear up.
35. What will cause this light to illuminate?
PASS OXYGEN ON
Passenger oxygen system charged.
36. What will cause this light to illuminate?
AIR COND N1 LO
Right engine N1 too low for air conditioning load