NTSB DEN87DTI02 — 1987-09-21 · GILLETTE, Wyoming, United States

Current FAA registration · N9659A

Make / Model: BOESSENKOOL-HELMICH BAKENG DUCE
Year of manufacture: 1978 · 9 years old at event
Engine: LYCOMING 0-290 SERIES (140 hp)
Seats / Engines: 2 seats · 1 engine
Last airworthiness date: 19790710
ADS-B equipped: Yes — Mode-S AD724D

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

N9659A Bakeng Deuce None

Factual narrative

THE PLT RPRTD THAT ON EACH OF HIS 1ST 3 ATTEMPTS TO LAND, HE BEGAN LOSING DIRECTIONAL CONTROL DURING ROLL-OUT & WENT AROUND. ON THE 4TH ATTEMPT, HE AGAIN TRIED TO GO AROUND, BUT THE ACFT SWERVED OFF THE RWY & GROUND LOOPED, COLLAPSING THE LEFT MAIN GEAR & DAMAGING THE LEFT WING & PROP. AN INVESTIGATION REVEALED THAT A WELD ON THE TAILWHEEL SPRING BRACKET FAILED & ALLOWED THE TAILWHEEL TO PIVOT FROM SIDE TO SIDE. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12

Verbatim from NTSB's published report. Source file NTSB_1987_DEN87DTI02.txt. Findings + structured fields enriched from FAA avall.mdb. Full investigation docket on data.ntsb.gov ↗.

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