NTSB SEA84LA026 — 1983-11-19 · HOOD RIVER, Oregon, United States

Current FAA registration · N4431U

Make / Model: HELIO H-391B
Seats / Engines: 4 seats · 1 engine
ADS-B equipped: Yes — Mode-S A55850

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

N4431U Helio H-391B None

Factual narrative

ACCORDING TO FAA INSPECTORS, THE PLT MADE A HI SPEED TURNOFF ONTO A TAXIWAY AFTER LANDING & GROUND LOOPED THE ACFT. THE PLT STATED THAT THE RIGHT BRAKE FAILED, THE ACFT ROLLED OFF THE RWY INTO MUD & THE PLANE SPUN 270 DEG TO THE LEFT. HOWEVER, THE RIGHT BRAKE WAS EXAMINED, ADEQUATE BRAKE FLUID WAS AVAILABLE & THERE WAS NO VISIBLE EVIDENCE OF FAILURE. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12

Verbatim from NTSB's published report. Source file NTSB_1983_SEA84LA026.txt. Findings + structured fields enriched from FAA avall.mdb. Full investigation docket on data.ntsb.gov ↗.

Search this event elsewhere

External sources are reported, not agency: signal that something happened, not fact about what happened.