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Atlas / NTSB / FTW90LA118

NTSB CAROL · Event

Event FTW90LA118

1990-06-19 PARADISE, Louisiana, United States Airport · NONE None 1 aircraft Status: Completed

Registry · N115SD

FAA Aircraft Registry record.

Make / Model

MOONEY M20K

Year of manufacture

1980 · 10 years old at event

Engine

CONT MOTOR TSIO-360 SER (225 hp)

Seats / Engines

4 seats · 1 engine

Last airworthiness date

20021029

ADS-B equipped

Yes — Mode-S A0405A

Registrant of record

SKY HIGH AVIATION LLC

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

Probable cause & findings

THE FAILURE OF THE PILOT TO PROPERLY EXECUTE THE AUTOROTATION LANDING.

Factual narrative

DURING A CROSS COUNTRY FLIGHT THE AIRCRAFT EXPERIENCED LOSS OF ENGINE POWER. THE LANDING RESULTED IN THE CATASTROPHIC COLLAPSE OF THE LANDING GEAR. THE HELICOPTER WAS NOT OF A STANDARD CONFIGURATION, IT WAS RIGGED WITH EARLY TECHNOLOGY RIDIG FLOATS. THESE FLOATS DRASTICALLY CHANGE THE FLIGHT ENVELOPE OF THE HELICOPTER ESPECIALLY DURING EMERGENCY PROCEDURES SUCH AS AUTOROTATIONS. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12

Verbatim from NTSB's published report. Source file NTSB_1990_FTW90LA118.txt. Findings + structured fields enriched from FAA avall.mdb. Full investigation docket on data.ntsb.gov ↗.