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Atlas / NTSB / FTW83LA435

NTSB CAROL · Event

Event FTW83LA435

1983-09-18 HASKELL, Oklahoma, United States Airport · 00K7 Minor 1 aircraft Status: Completed

Aircraft involved

Factual narrative

WHILE PERFORMING A SNAPROLL AT AN AIRSHOW, THE CRANKSHAFT FAILED & THE PROP SEPARATED FROM THE ACFT. THE PLT LANDED ON THE ARPT, BUT THE ACFT WENT THRU AN OPEN HANGER BEFORE THE PLT COULD STOP. THE WINGS STRUCK SUPPORTING POLES UNDER THE ROOF OF THE HANGER. AN EXAM REVEALED THAT THE CRANSHAFT HAD FAILED FROM FATIGUE. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12

Verbatim from NTSB's published report. Source file NTSB_1983_FTW83LA435.txt. Findings + structured fields enriched from FAA avall.mdb. Full investigation docket on data.ntsb.gov ↗.