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Atlas / NTSB / ANC91LA060

NTSB CAROL · Event

Event ANC91LA060

1991-05-22 TOGIAK, Alaska, United States None 1 aircraft Status: Completed

Registry · N5314D

FAA Aircraft Registry record.

Make / Model

WEST KAY ANN WEST-2

Year of manufacture

2008

Engine

NONE NONE

Seats / Engines

1 seats · 1 engine

Last airworthiness date

20080708

ADS-B equipped

Yes — Mode-S A6B70C

Registrant of record

PRAIRIE SKY INC

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

Probable cause & findings

THE PILOT'S FAILURE TO SECURE THE CARGO PRIOR TO THE FLIGHT. CONTRIBUTING TO THE ACCIDENT WAS THE ROUGH, UNEVEN TERRAIN.

Factual narrative

DURING CRUISE FLIGHT, A SECURING ROPE CAME LOOSE AND WRAPPED ITSELF AROUND THE TAIL ROTOR PITCH CONTROL. DURING THE AUTOROTATION, GROUND CONTACT WAS MADE IN A LEVEL ALTITUDE, BUT THE HARD LANDING CAUSED THE MAIN ROTOR BLADES TO SEVER THE TAILBOOM. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12

Verbatim from NTSB's published report. Source file NTSB_1991_ANC91LA060.txt. Findings + structured fields enriched from FAA avall.mdb. Full investigation docket on data.ntsb.gov ↗.