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Atlas / NTSB / SEA88LA143

NTSB CAROL · Event

Event SEA88LA143

1988-08-04 North Bend, Oregon, United States Minor 1 aircraft Status: Completed

Registry · N151LC

FAA Aircraft Registry record.

Make / Model

COLUMBIA AIRCRAFT MFG LC42-550FG

Year of manufacture

2007

Engine

CONT MOTOR IO-550-N (310 hp)

Seats / Engines

4 seats · 1 engine

Last airworthiness date

20070605

ADS-B equipped

Yes — Mode-S A0CEE3

Registrant of record

NEWBERRY HOMES LLC

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

Factual narrative

DRG A LOGGING OPN, THE PLT NOTED AN APPARENT TRANSMISSION MALFUNCTION. AN AUTOROTATIVE LANDING WAS MADE ON UNPREPARED TERRAIN & THE HELICOPTER WAS DAMAGED. AN INVESTIGATION REVEALED THE TAIL ROTOR DRIVE INPUT GEAR IN THE 42 DEG GEARBOX HAD FAILED FROM FATIGUE. N151LC WAS A MILITARY SURPLUS HELICOPTER. THE GEARBOX HAD BEEN OVERHAULED ON 6/15/87. THE OPERATOR'S RECORDS SHOWED IT HAD BEEN IN SERVICE FOR 373 HRS SINCE OVERHAUL. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12

Verbatim from NTSB's published report. Source file NTSB_1988_SEA88LA143.txt. Findings + structured fields enriched from FAA avall.mdb. Full investigation docket on data.ntsb.gov ↗.