Amateur-built DSA-1-G accident near Astoria, Illinois, May 31, 1996
On May 31, 1996 at about 2:15 pm local time, a amateur-built DSA-1-G, registered N611SU, was substantially damaged in an accident near Astoria, Illinois. It was a personal flight under general aviation rules (Part 91). 1 person was killed. The weather was visual conditions (good weather).
The NTSB's probable cause their words, unchanged
the pilot's failure to maintain clearance with the terrain while performing an aerobatic maneuver.
Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.
What the record shows
- Date
- May 31, 1996 · about 2:15 pm local time
- Place
- Astoria, Illinois · map
- Type
- Accident
- Injuries
- 1 person was killed.
- Weather
- visual conditions (good weather)
- Aircraft
- Amateur-built DSA-1-G
- Registration
- N611SU · registry record · serial 43
- Damage
- Substantial damage
- Flight
- Personal flight · general aviation rules (Part 91)
The NTSB's narrative final · quoted from the NTSB record
Witnesses reported seeing the pilot performing aerobatic maneuvers prior to the accident. They stated the pilot was performing a loop when he got too close to the ground during the maneuver. The airplane impacted the terrain near a treeline which surrounded the open field over which the maneuvers were being performed.
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: commercial pilot
- Ratings: multi-engine land; single-engine land; instrument: airplane
- Flight time: 987 hours in all; 24 in this make and model; 22 in the last 90 days; 10 in the last 30 days; 381 as pilot in command
- Medical certificate: Class 3 (expired)
- Seat: frt
The aircraft
- Airframe total time: 109 hours
- Last inspection: inspection type not recorded, May 20, 1996
- Maximum gross weight: 1,000 lb
- Seats: 1
- Landing gear: fixed
- Engine: Continental C-85-12 (piston); 0 hours total
The flight
- Departed from: C75 Lacon IL at 1:30 pm
- Flight plan: none
- Runway 0
Weather at the time
- Light: daylight
- Wind: from 160° at 7 knots
- Visibility: 10 statute miles
- Sky: clear
- Temperature: 63°F (17°C), dew point 46°F (8°C)
- Altimeter: 30.00 inHg
- Observation at 1:56 pm from PIA, 42 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.
