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Atlas / NTSB / DEN84LA111

NTSB CAROL · Event

Event DEN84LA111

1984-03-19 Riverton, Wyoming, United States Airport · RIW None 1 aircraft Status: Completed

Registry · N4378M

FAA Aircraft Registry record.

Make / Model

PIPER PA-12

Engine

LYCOMING 0-235 SERIES (115 hp)

Seats / Engines

3 seats · 1 engine

Last airworthiness date

19580515

ADS-B equipped

Yes — Mode-S A5409B

Registrant of record

WILSON ROBERT A

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

Factual narrative

THE PLT STATED THAT A CONVAIR 580 HAD LANDED BEFORE HIM. THE PLT FLEW A NORMAL GLIDE SLOPE & PLANNED TO LAND ON THE APPROACH END OF THE RWY. ON SHORT FINAL AT 50 FT AGL, THE ACFT SUDDENLY BANKED 'OVER 90 DEGREES' TO THE LEFT OUT OF CONTROL. THE ACFT THEN HIT THE GROUND 50 YDS SHORT OF THE RWY IN A LEFT WING LOW ATTITUDE. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12

Verbatim from NTSB's published report. Source file NTSB_1984_DEN84LA111.txt. Findings + structured fields enriched from FAA avall.mdb. Full investigation docket on data.ntsb.gov ↗.