ANC90LA114

NTSB accident investigation · Piper PA-18-150 · Dillingham, AK · July 8, 1990

Accident · No injuriesLimited investigationFinal report
Date
July 8, 1990, 11:16 local (19:16 UTC)
Place
Dillingham, AK
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Landing
Aircraft
N91248Piper PA-18-150
Weather
Visual (VMC) · Day
Status
Completed · report September 15, 1992
Report
Approved by Office Director
NTSB office
Alaska Regional Office
FAA report
19900708024569A
Case key
5402

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

On this page

Probable cause

The pilot's failure to maintain directional control during the landing roll.

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
Ground loop/swerve - inadvertentPilot in commandCause
Main gear collapsedLanding - roll
Dragged wing,rotor,pod,float or tail/skidLanding - roll
Landing gear,main gear - overloadCause

Analysis

During the landing roll, the pilot lost control of the airplane and ground looped. The left main landing gear collapsed, causing the left wing to hit the runway. The airplane was equipped with 30 inch oversized tundra tires.

Aircraft

Registration
N91248
Reported as
Piper PA-18-150
Category
Airplane
Serial number
18-8209014
Engine
Lycoming O-320-B2B, 150 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Departed
NONE · Ekuk Beach, AK
Airport
DLG · Dillingham, runway 19, 6,400 × 150 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
42
Certificates
Flight instructor, Flight engineer, Airline transport
Airplane ratings
Multi-engine land, Single-engine land
Instrument ratings
Airplane
Medical
Class 1, Valid Medical--no waivers/lim.
Flight hours
8,300 total · 50 in this make and model · 6,600 as pilot in command · 228 in the last 90 days · 85 in the last 30 days · 1 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Visibility
20 statute miles
Lowest ceiling
1,300 ft broken
Temperature
54 °F, dew point 48 °F
Observed at
DLG

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 N91248 · 1

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