Aviat A-1 accident near Worland, Wyoming, August 13, 1996
On August 13, 1996 at about 5:50 pm local time, a Aviat A-1, registered N56LG, was substantially damaged in an accident near Worland, Wyoming (Worland Muni airport). It was a personal flight under general aviation rules (Part 91). No one was hurt; 2 people were on board or involved. The weather was visual conditions (good weather).
The NTSB's probable cause their words, unchanged
overload failure of the landing gear axle, after its design stress limits had been exceeded at some undetermined time.
Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.
What the record shows
- Date
- August 13, 1996 · about 5:50 pm local time
- Place
- Worland, Wyoming · Worland Muni · map
- Type
- Accident
- Injuries
- No one was hurt; 2 people were on board or involved.
- Weather
- visual conditions (good weather)
- Aircraft
- Aviat A-1
- Registration
- N56LG · registry record · serial 1313
- 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 as the airplane touched down on the turf runway, the right main landing gear collapsed. The airplane then veered to the right and nosed over. A postaccident examination revealed that the right main landing gear had separated at the axle. A metallurgical examination of the break revealed that the fracture was due to overload that started on the bottom of the tube and progressed upwards. The specialist conducting the test stated that the fracture progression was consistent with a large upward load on the end of the axle such as would be experienced with a hard landing. However, the time of the overload was not determined.
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: flight instructor, commercial pilot
- Ratings: multi-engine land; single-engine land; single-engine sea; instructor: airplane single-engine; instructor: instrument airplane; instrument: airplane
- Flight time: 524 hours in all; 61 in this make and model; 63 in the last 90 days; 26 in the last 30 days; 406 as pilot in command
- Medical certificate: Class 2 (valid medical--w/ waivers/lim.)
- Seat: frt
The aircraft
- Airframe total time: 63 hours
- Last inspection: annual inspection, May 10, 1996; 63 hours since
- Maximum gross weight: 1,800 lb
- Seats: 2
- Landing gear: fixed
- Engine: Lycoming O-360-A1P (piston); 0 hours total
The flight
- Departed from: 3VO Fairburn SD at 3:50 pm
- Flight plan: none
- Runway 10, 2,500 ft by 50 ft
Weather at the time
- Light: daylight
- Wind: from 090° at 5 knots
- Visibility: 15 statute miles
- Sky: scat at 8,000 ft
- Temperature: 90°F (32°C), dew point 39°F (4°C)
- Altimeter: 30.00 inHg
Injuries
| Fatal | Serious | Minor | None | |
|---|---|---|---|---|
| Crew | 1 | |||
| Passengers | 1 |
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.