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Accidents · NTSB SEA93LA174 · Final report

Amateur-built GLASAIR accident near Blanding, Utah, August 7, 1993

On August 7, 1993 at about 8:20 pm local time, a amateur-built GLASAIR, registered N365WB, was destroyed in an accident near Blanding, Utah. It was a personal flight under general aviation rules (Part 91). 2 people were killed. The weather was visual conditions (good weather).

The NTSB's probable cause their words, unchanged

THE LOSS OF ENGINE POWER RESULTING FROM INADEQUATE MAINTENANCE INSPECTION BY THE PILOT, A LEAK FROM LOOSE FUEL SYSTEM LINE FITTINGS, AND FUEL EXHAUSTION. A FACTOR RELATING TO THE ACCIDENT WAS THE ROUGH/UNEVEN TERRAIN.

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

What the record shows

Date
August 7, 1993 · about 8:20 pm local time
Place
Blanding, Utah · map
Type
Accident
Injuries
2 people were killed.
Weather
visual conditions (good weather)
Aircraft
Amateur-built GLASAIR
Registration
N365WB · no longer on the register · serial 365
Damage
Destroyed
Flight
Personal flight · general aviation rules (Part 91)

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

THE PILOT DEPARTED DENVER WITH FULL FUEL AND AFTER 2:11 HOURS IN FLT, HE CALLED THE FAA SALT LAKE CENTER BY RADIO TO REPORT HE WAS OUT OF GAS AND GOING DOWN. A SEARCH WAS INITIATED AND THE WRECKAGE WAS LOCATED ON ROUGH/UNEVEN DESERT TERRAIN. AN EXAMINATION OF THE WRECKAGE REVEALED LOOSE FITTINGS ON THE MAIN FUEL LINE, WITH EVIDENCE OF FUEL LEAKS IN THE ENGINE COMPARTMENT AND ON THE LOWER FUSELAGE.

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
  • Ratings: multi-engine land; single-engine land; instrument: airplane
  • Flight time: 30,000 hours in all; 83 in this make and model
  • Medical certificate: Class 3 (valid medical--no waivers/lim.)
  • Seat: left

The aircraft

  • Airframe total time: 83 hours
  • Last inspection: annual inspection, October 9, 1992
  • Maximum gross weight: 2,000 lb
  • Seats: 2
  • Landing gear: retractable
  • Engine: Lycoming IO-360-A1B (piston); 0 hours total

The flight

  • Departed from: APA Denver CO at 6:09 pm
  • Destination: LAS Las Vegas NV
  • Flight plan: none
  • Runway 0

Weather at the time

  • Light: daylight
  • Wind: from 200° at 13 knots
  • Visibility: 40 statute miles
  • Sky: broken clouds at 12,000 ft; scat at 6,000 ft
  • Temperature: 75°F (24°C), dew point 52°F (11°C)
  • Observation at 7:55 pm from BCE, 84 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.