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Atlas / NTSB / SEA94LA145

NTSB CAROL · Event

Event SEA94LA145

1994-06-09 WAMSUTTER, Wyoming, United States Airport · RWL None 1 aircraft Status: Completed

Registry · N711LP

FAA Aircraft Registry record.

Make / Model

MOONEY M20C

Year of manufacture

1964 · 30 years old at event

Engine

LYCOMING O&VO-360 SER (180 hp)

Seats / Engines

4 seats · 1 engine

Last airworthiness date

19641020

ADS-B equipped

Yes — Mode-S A980CC

Registrant of record

JOHNSON TOMMY A

Source: FAA Aircraft Registry (releasable master file).

Aircraft involved

Probable cause & findings

CLEARANCE NOT MAINTAINED. A FACTOR TO THE ACCIDENT WAS: TRANSMISSION WIRE.

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. 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. Source: NTSB Aviation Accident Database (Pre-2008 Archive) Retrieved: 2026-02-12

Verbatim from NTSB's published report. Source file NTSB_1994_SEA94LA145.txt. Findings + structured fields enriched from FAA avall.mdb. Full investigation docket on data.ntsb.gov ↗.