SEA94LA145

NTSB accident investigation · Mooney M20C · Wamsutter, WY · June 9, 1994

Accident · No injuriesLimited investigationFinal report
Date
June 9, 1994, 08:30 local (14:30 UTC)
Place
Wamsutter, WY
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Maneuvering
Aircraft
N711LPMooney M20C
Weather
Visual (VMC) · Day
Status
Completed · report December 2, 1994
Report
Approved by Office Director
FAA report
19940609014669A
Case key
41948

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

Clearance not maintained. A factor to the accident was: transmission wire.

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.

In flight collision with objectManeuvering
Object - wire,transmissionFactor
Clearance - not maintainedPilot in commandCause

Analysis

The pilot reported that while cruising at 200 to 300 feet above ground level and following an interstate highway, he noted a flock of birds in his path. The pilot descended in altitude and the airplane collided with two transmission wires that were approximately 23 feet above ground level.

Factual narrative

On June 9, 1994, at 0830 mountain daylight time, a Mooney M20C, N711LP, collided with transmission lines near Wamsutter, Wyoming. The pilot returned to Rawlins, Wyoming, and landed without further incident. Visual meteorological conditions prevailed at the time and no flight plan was filed. The airplane was substantially damaged and the private pilot was not injured. The flight had departed from Rawlins and was en route to Rock Springs, Wyoming.

The pilot reported that while cruising at 200 to 300 feet above ground level and following an interstate highway, he noted a flock of birds in his path. The pilot descended in altitude and the airplane collided with two transmission wires that were approximately 23 feet above ground level.

Aircraft

Registration
N711LP
Reported as
Mooney M20C
Category
Airplane
Serial number
2872
Airframe hours
4,138
Engine
Lycoming O-360-A1D, 180 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Operator
Howard, Don M.
Registered owner
Don M. Howard,
Airworthiness certificate
Standard, Normal
Last inspection
Annual · December 17, 1993 · 15 hours before
Departed
RWL · Rawlins, WY
Destination
RKS · Rock Springs, WY
Airport
RWL · Rawlins

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
68
Certificate
Private
Airplane ratings
Single-engine land
Medical
Class 3, Expired
Seat
Left

Weather

Conditions
Visual (VMC) · Day
Wind
240° at 10 knots
Visibility
60 statute miles
Lowest ceiling
12,000 ft broken
Temperature
57 °F, dew point 14 °F
Altimeter
30.00 inHg
Observed at
RWL, 36 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.