Cessna 310P accident near Marion, Illinois, July 30, 1982
On July 30, 1982 at about 8:30 pm local time, a Cessna 310P, registered N5746M, was substantially damaged in an accident near Marion, Illinois (Williamson County airport). It was an instructional 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
The NTSB has not yet published a probable cause for this accident. Investigations usually take one to two years; this page updates when the final report is released.
Source: NTSB aviation accident database, copy made October 5, 2026. Docket and reports at the NTSB.
What the record shows
- Date
- July 30, 1982 · about 8:30 pm local time
- Place
- Marion, Illinois · Williamson County
- Type
- Accident
- Injuries
- No one was hurt; 2 people were on board or involved.
- Weather
- visual conditions (good weather)
- Aircraft
- Cessna 310P · all 310Ps on the register
- Registration
- N5746M · registry record · serial 0046
- Damage
- Substantial damage
- Flight
- Instructional flight · general aviation rules (Part 91)
The NTSB's narrative final · quoted from the NTSB record
THE AIRCRAFTS RIGHT MAIN LANDING GEAR COLLAPSED DURING LANDING. THE INSTRUCTOR AND STUDENT WERE PRACTICING TOUCH AND GO LANDINGS WHEN THE ACCIDENT OCCURRED. EXAMINATION OF THE GEAR REVEALED THE TORQUE TUBE ASSEMBLY (P/N 504-5010-8) WAS BROKEN AT THE FORWARD AND REAR EAR. THERE WAS A PRE-EXISTING CRACK FORWARD AND THE REAR FAILED IN TENSION. THE TORQUE TUBE HAD 5706 HOURS FLIGHT TIME.
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
- Ratings: multi-engine land; single-engine land; instructor: airplane multi-engine; instructor: airplane single-engine; instrument: airplane
- Flight time: 10,500 hours in all; 630 in this make and model; 225 in the last 90 days; 10,400 as pilot in command
- Medical certificate: Class 2 (valid medical--w/ waivers/lim.)
- Seat: unk
The aircraft
- Airframe total time: 5,706 hours
- Last inspection: inspection type not recorded; 61 hours since
- Maximum gross weight: 5,200 lb
- Seats: 6
- Landing gear: retractable
- Engine: Continental IO-470-VO (piston); 0 hours total
- Operator: Southern Illinois University
The flight
- Departed from: MWA Marion IL at 3:30 pm
- Destination: MWA Marion IL
- Flight plan: none
- Runway 2, 6,502 ft by 150 ft
Weather at the time
- Light: daylight
- Wind: from 340° at 7 knots
- Visibility: 7 statute miles
- Sky: not recorded; scat at 4,000 ft
- Temperature: 190°F (88°C), dew point 0°F (-18°C)
- Altimeter: 30.00 inHg
Injuries
| Fatal | Serious | Minor | None | |
|---|---|---|---|---|
| Crew | 2 |
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.