Schweizer SGS 1-34 accident near Highland, Illinois, June 12, 1991
On June 12, 1991, a Schweizer SGS 1-34 (glider), registered N7634, was substantially damaged in an accident near Highland, Illinois (Highland-Winet airport). It was a personal flight under general aviation rules (Part 91). No one was hurt; 1 person was on board or involved. The weather was visual conditions (good weather).
The NTSB's probable cause their words, unchanged
THE PILOT MISJUDGED HIS TOUCHDOWN POINT.
Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.
What the record shows
- Date
- June 12, 1991
- Place
- Highland, Illinois · Highland-Winet · map
- Type
- Accident
- Injuries
- No one was hurt; 1 person was on board or involved.
- Weather
- visual conditions (good weather)
- Aircraft
- Schweizer SGS 1-34 · all SGS 1-34s on the register
- Registration
- N7634 · registry record · serial 14
- Damage
- Substantial damage
- Flight
- Personal flight · general aviation rules (Part 91)
The NTSB's narrative final · quoted from the NTSB record
THE PILOT WAS MAKING AN APPROACH TO A RUNWAY ON WHICH ANOTHER GLIDER HAD LANDED & HAD STOPPED ABOUT 1/4 OF THE WAY DOWN THE RUNWAY. THE PILOT TRIED TO LAND BEHIND THE OTHER GLIDER BUT LANDED SHORT OF THE RUNWAY AND HIT A DIRT MOUND.
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: private
- Ratings: rotorcraft: glider
- Flight time: 53 hours in all; 7 in this make and model; 25 in the last 90 days; 4 in the last 30 days; 32 as pilot in command
- Medical certificate: None
- Seat: unk
The aircraft
- Last inspection: inspection type not recorded; 0 hours since
- Maximum gross weight: 840 lb
- Seats: 1
- Landing gear: fixed
- Engine: (type not recorded); 0 hours total
- Operator: St. Louis Soaring Assn, INC.
The flight
- Flight plan: none
- Runway 18, 2,250 ft by 270 ft
Weather at the time
- Light: daylight
- Wind: from 180° at 8 knots
- Visibility: 7 statute miles
- Sky: scat at 20,000 ft
- Temperature: 81°F (27°C), dew point 64°F (18°C)
- Altimeter: 29.00 inHg
- Observation at 11:55 pm from BLV, 17 miles away
Injuries
| Fatal | Serious | Minor | None | |
|---|---|---|---|---|
| Crew | 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.