DEN89LA179

NTSB accident investigation · Piper PA-18-135 · Boulder, CO · July 25, 1989

Accident · No injuriesLimited investigationFinal report
Date
July 25, 1989, 13:00 local (19:00 UTC)
Place
Boulder, CO
Injuries
2 uninjured
Damage
Substantial damage
Phase of flight
Landing
Aircraft
N9967QPiper PA-18-135
Weather
Visual (VMC) · Day
Status
Completed · report June 28, 1991
Report
Approved by Office Director
FAA report
19890725028719A
Case key
17753

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

Failure of the pilot to maintain directional control, which resulted in an inadvertent ground swerve and subsequent damage to the wing.

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
Dragged wing,rotor,pod,float or tail/skidLanding

Analysis

The plt rprtd he made a wheel landing on rwy 8 with winds that he estimated were light & variable. He said that during the landing roll, the plane swerved to the right. He attempted to correct the swerve, but to no avail. The left wing struck the ground between the rwy & twy. During the occurrence, the left wing spar was bent & the main landing gear was damaged, but the plt was able to taxi the plane to the hangar.

Aircraft

Registration
N9967Q
Reported as
Piper PA-18-135
Category
Airplane
Serial number
18-4012
Engine
Lycoming O-290-D2, 135 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Operator
Dakota Ridge Aviation, Inc.
Registered owner
Unknown
Departed
3V5 · Fort Collins, CO
Destination
1V5
Airport
IV5 · Boulder, runway 8, 4,100 × 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
26
Certificates
Commercial, Flight instructor
Airplane ratings
Single-engine land
Instrument ratings
Airplane
Medical
Class 3, Valid Medical--no waivers/lim.
Flight hours
420 total · 40 in this make and model · 340 as pilot in command · 130 in the last 90 days · 60 in the last 30 days · 3 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Visibility
50 statute miles
Lowest ceiling
None
Temperature
81 °F, dew point -0 °F

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 N9967Q · 2

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