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NTSB Report
April 10, 1987 · Nihon YS-11A · N118MP
Honolulu, HI
Overview
Report Status
Preliminary report
Event Type
Accident
Date
April 10, 1987
Injury Outcomes
4 injuries (1 serious injury, 3 minor injuries), 39 uninjured
Location
Honolulu, HI
Aircraft
Nihon YS-11A
Tail Number
N118MP
Injuries
Serious
NTSB Number
LAX87DJA05
DURING THE TAKEOFF GROUND RUN APPROACHING V1/VR, THE #1 ENGINE FIRE WARNING LIGHT ILLUMINATED AND THE FIRE BELL SOUNDED.THE TAKEOFF WAS ABORTED AND THE ACFT WAS TURNED OFF THE RWY ONTO A TAXIWAY. THE ENGINES WERE SHUTDOWN AND THE CAPTAIN ORDERED A RIGHT SIDE EVACUATION, HOWEVER, THE LEFT SIDE, NOT ORDERED, WAS ALSO UTILIZED. DURING THE EVACUATION ONE PASSENGER WAS SERIOUSLY INJURED. INSPECTION REVEALED THAT THE CHAFING ON THE FIRE SENSING ELEMENT OUTER TUBE AGAINST THE ENGINE THERMOCOUPLE FUNCTION BOX CREATED A CHANGE IN CAPACITANCE WITHIN THE ELEMENT SUFFICIENT ENOUGH TO ENERGIZE THE FIRE WARNING CIRCUITS. THE WAS NO FIRE. ONE PASSENGER SUFFERED A FRACTURED ANKLE DURING THE EVACTUATION.
Full Narrative
DURING THE TAKEOFF GROUND RUN APPROACHING V1/VR, THE #1 ENGINE FIRE WARNING LIGHT ILLUMINATED AND THE FIRE BELL SOUNDED.THE TAKEOFF WAS ABORTED AND THE ACFT WAS TURNED OFF THE RWY ONTO A TAXIWAY. THE ENGINES WERE SHUTDOWN AND THE CAPTAIN ORDERED A RIGHT SIDE EVACUATION, HOWEVER, THE LEFT SIDE, NOT ORDERED, WAS ALSO UTILIZED. DURING THE EVACUATION ONE PASSENGER WAS SERIOUSLY INJURED. INSPECTION REVEALED THAT THE CHAFING ON THE FIRE SENSING ELEMENT OUTER TUBE AGAINST THE ENGINE THERMOCOUPLE FUNCTION BOX CREATED A CHANGE IN CAPACITANCE WITHIN THE ELEMENT SUFFICIENT ENOUGH TO ENERGIZE THE FIRE WARNING CIRCUITS. THE WAS NO FIRE. ONE PASSENGER SUFFERED A FRACTURED ANKLE DURING THE EVACTUATION.
Flight
Event TypeAccident
Event Time08:06 HST
Nearest AirportHonolulu Int'L (0nm N)
Runway8L
Runway Length12360 ft
Runway Width150 ft
Flight Plan FiledIFR
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftNihon YS-11A
Tail NumberN118MP
Aircraft CategoryAir
Operating RulePart 121
Engines2
Engine TypeTurboprop
Engine DetailsRolls-Royce · MK-542-10J · Turboprop · 2966
Seats60
People & Injuries
Injury Summary4 injuries (1 serious injury, 3 minor injuries), 39 uninjured
Fatal0
Serious1
Minor3
Uninjured39
Total43
Crew 1Age 36 · First Class
Conditions
ConditionsVMC
LightDaylight
Wind70° @ 10 kt
Visibility25 sm
CeilingNone
Temperature / Dew Point64 F
Altimeter30.00 inHg
Observation Time07:55
Weather SourcePILO