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Accidents · NTSB LAX92LA232 · Final report

Amateur-built GLASAIR GARG accident near Valencia, California, June 3, 1992

On June 3, 1992 at about 6:31 pm local time, a amateur-built GLASAIR GARG, registered N555HV, was substantially damaged in an accident near Valencia, California. It was a personal flight under general aviation rules (Part 91). 2 people were seriously injured. The weather was visual conditions (good weather).

The NTSB's probable cause their words, unchanged

THE LOSS OF ENGINE POWER BECAUSE OF AN UNDETERMINED INTERRUPTION IN THE FLOW OF FUEL TO THE ENGINE. FACTORS WHICH CONTRIBUTED TO THE POWER LOSS WERE RELATED TO FUEL LINE OR FITTING LEAKS AND TO INADEQUATE MAINTENANCE OF THE FUEL SYSTEM.

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

What the record shows

Date
June 3, 1992 · about 6:31 pm local time
Place
Valencia, California · map
Type
Accident
Injuries
2 people were seriously injured.
Weather
visual conditions (good weather)
Aircraft
Amateur-built GLASAIR GARG GLASAIR GA
Registration
N555HV · no longer on the register · serial G570
Damage
Substantial damage
Flight
Personal flight · general aviation rules (Part 91)

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

THE PILOT REPORTED THAT WHILE CRUISING IN THE EXPERIMENTAL AIRPLANE HE SMELLED THE STRONG ODOR OF FUEL FUMES IN THE COCKPIT. WHEN HE SWITCHED FUEL TANKS TO ABATE [THE] FUMES ALL ENGINE POWER WAS SUDDENLY LOST. UNABLE TO RESTART THE ENGINE, THE PILOT INDICATED HE BEGAN CONCENTRATING ON MAKING A FORCED LANDING. ON FINAL APPROACH TO A PARKING LOT, THE AIRPLANE COLLIDED WITH UNOBSERVED POWER LINES AND NOSED OVER. AN EXAMINATION OF THE AIRPLANE REVEALED NO EVIDENCE OF ANY MECHANICAL MALFUNCTIONS WITHIN THE ENGINE. FUEL WAS FOUND IN THE LINES BETWEEN THE ENGINE DRIVEN FUEL PUMP AND FUEL SERVO, AND IN THE MANIFOLD ASSEMBLY. EVIDENCE WAS ALSO FOUND OF PREIMPACT FUEL LEAKS (SEEPING AND STAINING) NEAR FUEL LINES AND FITTINGS IN AIRFRAME STRUCTURE AFT OF THE FIREWALL. THE LAST ANNUAL INSPECTION WAS ACCOMPLISHED BY THE AIRPLANE'S PREVIOUS OWNER.

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, flight engineer
  • Ratings: multi-engine land; single-engine land; instructor: airplane single-engine; instrument: airplane
  • Flight time: 24,000 hours in all; 10 in this make and model; 22,000 as pilot in command; 1,000 on instruments
  • Medical certificate: Class 1 (valid medical--w/ waivers/lim.)
  • Seat: left

The aircraft

  • Airframe total time: 125 hours
  • Last inspection: annual inspection, November 15, 1991; 22 hours since
  • Maximum gross weight: 1,800 lb
  • Seats: 2
  • Landing gear: retractable
  • Engine: Lycoming IO-360-B1E (piston); 0 hours total

The flight

  • Departed from: TOA Torrance CA at 6:00 pm
  • Destination: PTV Porterville CA
  • Flight plan: none
  • Runway 0
  • A second pilot was aboard

Weather at the time

  • Light: daylight
  • Visibility: 15 statute miles
  • Sky: clear
  • Temperature: 61°F (16°C), dew point 1°F (-17°C)

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.