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NYC86LA160

1986-06-29 · LEHIGHTON, Pennsylvania, United States · None · 1 aircraft · Status: Completed

Current FAA registration · N1042C

Make / Model
HILLER-TRIDENT HELICOPTERS UH-12C
Engine
AMA/EXPR UNKNOWN ENG
Seats / Engines
3 seats · 1 engine
Last airworthiness date
19790606
ADS-B equipped
Yes — Mode-S A01631

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

Factual narrative

THE PILOT OF THE HILLER 12C REPORTED AN OVERHEATED ENGINE FOLLOWED BY AN ENGINE FAILURE. DURING THE FORCED LANDING THE MAIN ROTOR FLEXED AND CUT THE TAIL BOOM OFF THE THE AIRCRAFT. THE AIRCRAFT WAS EXAMINED. 10 OZ. OF A LIQUID WAS FOUND IN THE FUEL SYSTEM. 7 OZ. WAS FUEL AND 3 OZ. WAS WATER. THE REPORTED ENGINE OVERHEAT AND ENGINE FAILURE COULD NOT BE REPRODUCED. THE ENGINE RAN SATISFACTORLY. THE PILOT AND PASSENGER WERE UNINJURED IN THE ACCIDENT WHICH OCCURRED IN DAYLIGHT. THE PLT/OWNER HAD HABIT OF NOT REFUELING AFT FLTS THUS LEAVING TKS LESS THAN FULL AND SUSCEPTIBLE TO WATER CONDESATION. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12

Verbatim from NTSB's published report. Source file NTSB_1986_NYC86LA160.txt. Findings + structured fields enriched from FAA avall.mdb. Full investigation docket on data.ntsb.gov ↗.

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