DEN00LA087

NTSB accident investigation · Cessna 170B · Bedford, WY · May 13, 2000

Accident · No injuriesLimited investigationFinal report
Date
May 13, 2000, 07:30 local (13:30 UTC)
Place
Bedford, WY
Injuries
3 uninjured
Damage
Substantial damage
Phase of flight
Takeoff
Aircraft
N8319ACessna 170B
Weather
Visual (VMC) · Day
Status
Completed · report March 2, 2001
Report
Approved by Office Director
FAA report
20000513009589A
Case key
49189

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

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Probable cause

The pilot's inadvertent ground loop. A factor was the soft grass airstrip.

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/waterTakeoff - roll/run
Ground loop/swerve - inadvertentPilot in commandCause
Airport facilities,runway/landing area condition - softFactor

Analysis

The pilot said that while on takeoff roll from the grass runway, at approximately 40 miles per hour, 'I hit a soft spot which pulled the airplane hard left.' He said the airplane ground looped to the left. The pilot said the left landing gear collapsed, the left wing was bent, and the fuselage was damaged.

Factual narrative

On May 13, 2000, approximately 0730 mountain daylight time, a Cessna 170B, N8319A, was substantially damaged when the aircraft ground looped on takeoff roll on Heiner Airstrip, Bedford, Wyoming. The commercial pilot and his two passengers were not injured. The pilot was operating the airplane under Title 14 CFR Part 91. Visual meteorological conditions prevailed for the local flight, which was originating at the time of the accident. No flight plan had been filed.

The pilot said that while on takeoff roll from the grass runway, at approximately 40 miles per hour, "I hit a soft spot which pulled the airplane hard left." He said the airplane ground looped to the left. The pilot said the left landing gear collapsed, the left wing was bent, and the fuselage was damaged.

Aircraft

Registration
N8319A
Reported as
Cessna 170B
Category
Airplane
Serial number
25171
Airframe hours
3,578
Engine
Lycoming O-360-A1A, 180 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Registered owner
Gaylon G. Heiner
Airworthiness certificate
Standard, Normal
Last inspection
Annual · April 25, 2000 · 6 hours before
Departed
WY60
Destination
LGU · Logan, UT
Airport
WY60 · Heiner, runway 22, 2,200 × 40 ft, grass/turf

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
49
Certificate
Commercial
Airplane ratings
Single-engine land
Instrument ratings
Airplane
Medical
Class 2, Valid Medical--w/ waivers/lim
Seat
Left
Flight hours
1,800 total · 120 in this make and model · 1,724 as pilot in command · 30 in the last 90 days · 8 in the last 30 days

Weather

Conditions
Visual (VMC) · Day
Visibility
10 statute miles
Lowest ceiling
10,000 ft broken
Temperature
41 °F, dew point 23 °F
Altimeter
30.00 inHg
Observed at
AFO, 9 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.