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Accidents · NTSB SEA90LA147 · Final report

Lake LA-250 accident near Rawlins, Wyoming, July 27, 1990

On July 27, 1990 at about 8:13 pm local time, a Lake LA-250, registered N14004, was substantially damaged in an accident near Rawlins, Wyoming (Rawlins Muni airport). It was a positioning flight under general aviation rules (Part 91). 1 person had minor injuries; 1 other was unhurt. The weather was visual conditions (good weather).

The NTSB's probable cause their words, unchanged

PILOT'S IMPROPER PLANNING/DECISION, AND HIS MISJUDGEMENT OF THE AIRCRAFT'S CLIMB CAPABILITY IN CONDITIONS OF HIGH DENSITY ALTITUDE AND UNANTICIPATED ATMOSPHERIC CONDITIONS. THE HIGH DENSITY ALTITUDE AND RISING TERRAIN WERE RELATED FACTORS.

Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.

What the record shows

Date
July 27, 1990 · about 8:13 pm local time
Place
Rawlins, Wyoming · Rawlins Muni · map
Type
Accident
Injuries
1 person had minor injuries; 1 other was unhurt.
Weather
visual conditions (good weather)
Aircraft
Lake LA-250
Registration
N14004 · registry record · serial 008
Damage
Substantial damage
Flight
Positioning flight · general aviation rules (Part 91)

The NTSB's narrative final · quoted from the NTSB record

THE PILOT OF THE LAKE AMPHIBIAN TOOK OFF AND TURNED TOWARD RISING TERRAIN, WHERE HE ANTICIPATED FINDING SLOPE LIFT, DUE TO THE PREVAILING WINDS. HE STATED THAT HE ENCOUNTERED SINK INSTEAD, AND HE HAD UNSUFFICIENT TERRAIN CLEARANCE TO MAKE A COURSE REVERSAL. SUBSEQUENTLY, THE AIRCRAFT COLLIDED WITH TERRAIN. DENSITY ALTITUDE AT THE TIME OF THE ACCIDENT WAS APPROXIMATELY 9070 FEET.

The complete narrative as the NTSB published it. The NTSB's docket holds the report as a PDF and any photographs, statements and other documents from the investigation.

The factual record from the NTSB's investigation tables, in plain English

Pilot

  • Certificate: airline transport pilot, flight instructor
  • Ratings: multi-engine land; single-engine land; single-engine sea; instrument: airplane; rotorcraft: helicopter
  • Flight time: 12,300 hours in all; 1,100 in this make and model; 60 in the last 90 days; 16 in the last 30 days; 10,137 as pilot in command; 1,036 on instruments
  • Medical certificate: Class 1 (valid medical--w/ waivers/lim.)
  • Seat: unk

The aircraft

  • Last inspection: inspection type not recorded; 0 hours since
  • Maximum gross weight: 3,140 lb
  • Seats: 4
  • Landing gear: retractable
  • Engine: Lycoming IO-540 (piston); 0 hours total

The flight

  • Destination: S87 Weiser ID
  • Flight plan: VFR
  • Runway 22, 7,008 ft by 100 ft

Weather at the time

  • Light: daylight
  • Wind: from 240° at 18 knots
  • Visibility: 60 statute miles
  • Sky: clear
  • Temperature: 72°F (22°C), dew point 0°F (-18°C)
  • Altimeter: 30.00 inHg
  • Observation at 8:30 pm from RWL, 3 miles away

Injuries

FatalSeriousMinorNone
Crew1
Passengers1

Documents from the investigation the NTSB's docket: the evidence folder behind the report

The docket, the folder of records gathered during an investigation (maintenance records, photographs, witness statements, examinations), has not been read from the NTSB for this case yet; the list appears here once it has. Open the docket at the NTSB.

Everything on this page comes from the NTSB's public records. The narrative, probable cause and findings are the NTSB's own words; the coded tables behind the report are written out in plain English, with pilots' ages, home towns and medical details left out. The documents and photographs are the NTSB's docket, shown as the NTSB released them. This site's own text never names anyone involved. A preliminary report can change; the final report usually follows one to two years later, and the page is refreshed when it does.