SEA84LA026

NTSB accident investigation · Helio H-391B · Hood River, OR · November 19, 1983

Accident · No injuriesLimited investigationFinal report
Date
November 19, 1983, 14:00 local (22:00 UTC)
Place
Hood River, OR
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Landing
Aircraft
N4431UHelio H-391B
Weather
Visual (VMC) · Day
Status
Completed
Report
Approved by Office Director
FAA report
19831119063709A
Case key
39855

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.

On this page

Sequence of events

NTSB’s coding before 2008: each occurrence and phase of flight, and the causes and factors under it. The codes are defined in NTSB’s coding manual.

Loss of control - on ground/waterLanding - roll
Directional control - not maintainedPilot in commandCause
Ground loop/swerve - inadvertentPilot in commandCause
On ground/water encounter with terrain/waterLanding - roll
Terrain condition - wetFactor
Terrain condition - softFactor

Analysis

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.

Aircraft

Registration
N4431U
Reported as
Helio H-391B
Category
Airplane
Serial number
091
Airframe hours
2,052
Engine
Lycoming GO-435-C2B, 260 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Registered owner
Thomas P. Falk
Airworthiness certificate
Standard, Normal
Last inspection
Annual · August 1, 1983
Departed
DLS · The Dalles, OR
Destination
4S2 · Hood River, OR
Airport
4S2 · Hood River, runway 25, 3,040 × 75 ft, asphalt

Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
48
Certificate
Private
Airplane ratings
Single-engine land
Medical
Class 3, Expired
Seat
Left
Flight hours
617 total · 78 in this make and model · 555 as pilot in command · 31 in the last 90 days

Weather

Conditions
Visual (VMC) · Day
Wind
320° at 8 knots
Visibility
15 statute miles
Lowest ceiling
10,000 ft broken
Temperature
46 °F, dew point 43 °F
Observed at
DLS, 18 nm away

FAA reports on this event · 1

The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.

Other investigations on N4431U · 2

Matched to the same aircraft by N-number and date.