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Atlas / NTSB / NYC91LA179

NTSB CAROL · Event

Event NYC91LA179

1991-07-14 WHITE PLAINS, New York, United States Airport · HPN None 1 aircraft Status: Completed

Registry · N2446X

FAA Aircraft Registry record.

Make / Model

CESSNA 206H

Year of manufacture

2000

Engine

LYCOMING IO-540 SER (300 hp)

Seats / Engines

6 seats · 1 engine

Last airworthiness date

20000330

ADS-B equipped

Yes — Mode-S A2421B

Registrant of record

WASHINGTON STATE PATROL

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

Probable cause & findings

THE FAILURE OF THE PILOT TO ENSURE THE HELICOPTER HAD NO LATERAL MOTION UPON TOUCHDOWN.

Factual narrative

THE HELICOPTER WAS APPROACHING TO LAND AT AN AIRPORT WITH RESTRICTIVE NOISE ABATEMENT PROCEDURES. THE PILOT ARRIVED OVER THE AIRPORT, APPROXIMATELY 1000 FEET AGL AND WAS CLEARED TO A TAXIWAY. THE PILOT DESCRIBED THE DESCENT AS STEEP AND HE MISSED HIS DESIRED LANDING AREA. THE PILOT ELECTED TO LAND IN A GRASSY AREA NEAR THE DESIGNATED LANDING AREA, HOWEVER, HE TOUCHED DOWN WITH A LEFT LATERAL MOVEMENT AND UPON TOUCHDOWN, THE HELICOPTER ROLLED OVER. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12

Verbatim from NTSB's published report. Source file NTSB_1991_NYC91LA179.txt. Findings + structured fields enriched from FAA avall.mdb. Full investigation docket on data.ntsb.gov ↗.