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Atlas / NTSB / SEA93LA086

NTSB CAROL · Event

Event SEA93LA086

1993-04-01 DAVENPORT, Washington, United States None 1 aircraft Status: Completed

Registry · N56426

FAA Aircraft Registry record.

Make / Model

BOEING A75N1(PT17)

Year of manufacture

1941 · 52 years old at event

Engine

CONT MOTOR W670-6N (220 hp)

Seats / Engines

2 seats · 1 engine

Last airworthiness date

20110322

ADS-B equipped

Yes — Mode-S A73883

Registrant of record

LEYVA GREGORY G

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

Probable cause & findings

UNSUITABLE TERRAIN WAS SELECTED FOR LANDING. A FACTOR TO THE ACCIDENT WAS: SOFT TERRAIN.

Factual narrative

THE PILOT REPORTED THAT HE WAS FLYING THE AIRPLANE AROUND THE PATTERN TO WARM UP THE OIL IN PREPARATION FOR AN ANNUAL INSPECTION. JUST PRIOR TO THE FLIGHT, A RAIN STORM HAD PASSED OVER THE AREA AND THE DIRT STRIP WAS WET. DURING THE LANDING ROLL, THE RIGHT MAIN LANDING GEAR SANK IN THE MUD. THE PILOT APPLIED THE LEFT BRAKE HARD AND THE AIRPLANE NOSED OVER. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12

Verbatim from NTSB's published report. Source file NTSB_1993_SEA93LA086.txt. Findings + structured fields enriched from FAA avall.mdb. Full investigation docket on data.ntsb.gov ↗.