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January 6, 1990 · Lockheed L1329 · N96GS

Miami, FL

Overview

Report Status
Probable Cause
Event Type
Accident
Date
January 6, 1990
Injury Outcomes
2 injuries (1 fatality, 1 serious injury)
Location
Miami, FL
Aircraft
Lockheed L1329
Tail Number
N96GS
Operator
Tokoph David
Injuries
Fatal
Aircraft Damage
Destroyed
NTSB Number
MIA90FA049

FLT WAS A 3-ENG FERRY WITH THE #4 ENG SHUT DOWN. DURING TAKEOFF ROLL AT V1 THE #2 ENG OVERHEAT LIGHT CAME ON. ACCORDING TO THE COPILOT THE PILOT REDUCED THROTTLE SLIGHTLY AND CONTINUED THE TAKEOFF. AFTER LIFT-OFF THE PILOT ABORTED THE TAKEOFF. THE AIRPLANE COULD NOT BE STOPPED ON THE REMAINING RUNWAY AND COLLIDED WITH ANTENNAS, APPROACH LIGHTS AND A CONSTRUCTION SITE 1,180 FT FROM THE DEPARTURE END OF THE RUNWAY. POST-CRASH EXAM OF THE 3 OPERATING ENGS DID NOT REVEAL ANY EVIDENCE OF MECHANICAL FAILURE OR MALFUNCTION. A FAILED RESISTOR WAS FOUND IN THE #2 ENG ELECTRONIC ENGINE CONTROL (EEC). THIS WOULD CAUSE THE UNIT TO OVER-SCHEDULE FUEL TO THE ENG RESULTING IN HOTTER ENG OPERATING TEMPERATURES. RETARDING THE THROTTLE WOULD REDUCE FUEL FLOW TO WITHIN NORMAL RANGES FOR ENG OPERATION. UNDER CONDITIONS THAT EXISTED AT THE TIME OF THE ACCIDENT, THE AIRPLANE WOULD HAVE A 3-ENG RATE-OF-CLIMB OF 1,398 FPM, AND A 2-ENG RATE-OF-CLIMB OF 350 FPM.

NTSB Probable Cause

THE PILOT'S IMPROPER DECISION TO REJECT THE TAKEOFF AFTER THE AIRPLANE HAD PASSED V1 SPEED AND LIFTED OFF THE RUNWAY. A FACTOR WAS A MALFUNCTIONING #2 ENGINE ELECTRONIC ENGINE CONTTROL WHICH CAUSED THE UNIT TO OVER-SCHEDULE FUEL TO THE ENGINE RESULTING IN HOTTER OPERATING TEMPERATURES.

Full Narrative

FLT WAS A 3-ENG FERRY WITH THE #4 ENG SHUT DOWN. DURING TAKEOFF ROLL AT V1 THE #2 ENG OVERHEAT LIGHT CAME ON. ACCORDING TO THE COPILOT THE PILOT REDUCED THROTTLE SLIGHTLY AND CONTINUED THE TAKEOFF. AFTER LIFT-OFF THE PILOT ABORTED THE TAKEOFF. THE AIRPLANE COULD NOT BE STOPPED ON THE REMAINING RUNWAY AND COLLIDED WITH ANTENNAS, APPROACH LIGHTS AND A CONSTRUCTION SITE 1,180 FT FROM THE DEPARTURE END OF THE RUNWAY. POST-CRASH EXAM OF THE 3 OPERATING ENGS DID NOT REVEAL ANY EVIDENCE OF MECHANICAL FAILURE OR MALFUNCTION. A FAILED RESISTOR WAS FOUND IN THE #2 ENG ELECTRONIC ENGINE CONTROL (EEC). THIS WOULD CAUSE THE UNIT TO OVER-SCHEDULE FUEL TO THE ENG RESULTING IN HOTTER ENG OPERATING TEMPERATURES. RETARDING THE THROTTLE WOULD REDUCE FUEL FLOW TO WITHIN NORMAL RANGES FOR ENG OPERATION. UNDER CONDITIONS THAT EXISTED AT THE TIME OF THE ACCIDENT, THE AIRPLANE WOULD HAVE A 3-ENG RATE-OF-CLIMB OF 1,398 FPM, AND A 2-ENG RATE-OF-CLIMB OF 350 FPM.

Flight

Event TypeAccident
Event Time11:42 EST
Nearest AirportMiami International (0nm N)
Runway9L
Runway Length10502 ft
Runway Width200 ft
Flight Plan FiledIFR
Aircraft FireGrd
Aircraft ExplosionNo

Aircraft

AircraftLockheed L1329
Tail NumberN96GS
Aircraft CategoryAir
DamageDestroyed
OperatorTokoph David
Operating RulePart 91
Engines4
Engine TypeTurbofan
Engine DetailsGarrett · TFE-731-3 · Turbofan · 3700
Seats12

People & Injuries

Injury Summary2 injuries (1 fatality, 1 serious injury)
Fatal1
Serious1
Minor0
Uninjured0
Total2
Crew 1Age 49 · First Class

Conditions

ConditionsVMC
LightDaylight
Wind150° @ 15 kt
Visibility7 sm
CeilingNone
Altimeter30.00 inHg
Observation Time16:42
Weather SourceWFAC

Appendix: Source Data