NTSB CHI92DEP01 — 1991-10-18 · EAGLE RIVER, Wisconsin, United States

Current FAA registration · N9SX

Make / Model: LASSITER JAMES WALTER SX300 SWEARINGEN
Seats / Engines: 2 seats · 1 engine
ADS-B equipped: Yes — Mode-S AC6C20

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

N9SX LASSITER SWEARINGEN SX300 None

Probable cause & findings

THE PARTIAL LOSS OF ENGINE POWER, FOR REASONS UNDETERMINED WHICH RESULTED IN AN ABORTED TAKEOFF AND EVENTUAL OVERRUN AND LANDING GEAR COLLAPSE.

Factual narrative

THE PILOT OF THE AMATEUR BUILT AIRPLANE INDICATED THAT ON TAKEOFF ROLL THE ENGINE MISFIRED AND HE ABORTED THE TAKEOFF. THE PILOT WAS UNABLE TO STOP THE AIRPLANE ON THE REMAINING RUNWAY AND THE AIRPLANE OVERRAN THE END OF THE TAKEOFF RUNWAY. THE LANDING GEAR COLLAPSED DURING THE OVERRUN. A SUBSEQUENT EXAMINATION FAILED TO REVEAL THE NATURE OF THE PARTIAL POWER LOSS. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12

Verbatim from NTSB's published report. Source file NTSB_1991_CHI92DEP01.txt. Findings + structured fields enriched from FAA avall.mdb. Full investigation docket on data.ntsb.gov ↗.

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