DEN07CA151

NTSB accident investigation · Piper PA-18-150 · Rawlins, WY · August 31, 2007

Accident · No injuriesData collectionFinal report
Date
August 31, 2007, 16:30 local (22:30 UTC)
Place
Rawlins, WY
Injuries
2 uninjured
Damage
Substantial damage
Phase of flight
Landing
Aircraft
N3914ZPiper PA-18-150
Weather
Visual (VMC) · Day
Status
Completed · report November 29, 2007
Report
Approved by Office Director
Case key
66590

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 landing. A contributing factor to the accident was the crosswind.

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
Weather condition - crosswindFactor
Directional control - not maintainedPilot in commandCause
On ground/water encounter with terrain/waterLanding - roll
Terrain condition - ground

Analysis

The pilot made a normal landing on runway 28. During the landing rollout, "a crosswind caused the airplane to yaw uncontrollably to the right and it departed the runway." The airplane departed the runway surface, the left main gear sank into soft terrain, and the airplane's left wing struck the terrain. The left rear wing spar and the left aileron were bent. The wind conditions at the time of the accident were 330 degrees at 14 gusting to 23 knots.

Factual narrative

According to a statement by the pilot, he made a normal landing on runway 28. During the landing rollout, "a crosswind caused the airplane to yaw uncontrollably to the right and it departed the runway." As the plane departed the runway surface, the left main gear sank into soft terrain and subsequently, the airplane's left wing contacted the terrain. The commercial rated pilot and pilot-rated passenger were not injured. Examination of the airplane revealed that the left rear wing spar and the left aileron were bent. The wind conditions at the time of the accident were 330 degrees at 14 gusting to 23 knots.

Aircraft

Registration
N3914Z
Reported as
Piper PA-18-150
Category
Airplane
Serial number
18-7731
Engine
Lycoming O-320, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Operator
Donald L. McMillen
Registered owner
Ronald H. Bair
Airworthiness certificate
Standard, Normal
Departed
BPI · Big Piney, WY
Destination
RWL · Rawlins, WY
Airport
RWL · Rawlins Municipal Airport, runway 28

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
Injuries
None
Certificates
Flight instructor, Commercial
Airplane ratings
Multi-engine land, Single-engine land
Instrument ratings
Airplane
Medical
Class 2
Flight hours
1,300 total · 350 in this make and model · 350 in the last 90 days

Weather

Conditions
Visual (VMC) · Day
Wind
310° at 15 knots
Visibility
10 statute miles
Lowest ceiling
None
Temperature
81 °F, dew point 39 °F
Altimeter
30.23 inHg
Observed at
KRWL

Other investigations on N3914Z · 1

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