Amateur-built DENNEY KITFOX MK2 and Reims Aviation SA CESSNA F177RG mid-air collision near Tempsford, United Kingdom, Gb, September 23, 2014
On September 23, 2014 at about 7:29 am local time, 2 aircraft, amateur-built DENNEY KITFOX MK2 (GTOMZ) and Reims Aviation SA CESSNA F177RG (GAZTW), were involved in a mid-air collision near Tempsford, United Kingdom. 1 person was killed; 1 other was unhurt.
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
- September 23, 2014 · about 7:29 am local time
- Place
- Tempsford, United Kingdom, United Kingdom · map
- Type
- Accident · mid-air collision
- Injuries
- 1 person was killed; 1 other was unhurt.
- Weather
- not recorded
- Aircraft 1
- Amateur-built DENNEY KITFOX MK2
- Registration
- GTOMZ · no longer on the register · serial PFA 172-11977
- Damage
- Destroyed
- Flight
- Flight
- Aircraft 2
- Reims Aviation SA CESSNA F177RG
- Registration
- GAZTW · no longer on the register · serial 0043
- Damage
- Minor damage
- Flight
- Flight
The factual record for the amateur-built DENNEY KITFOX MK2 from the NTSB's investigation tables, in plain English
The aircraft
- Maximum gross weight: 950 lb
- Landing gear: fixed
Weather at the time
- Temperature: 0°F (-18°C), dew point 0°F (-18°C)
Injuries
| Fatal | Serious | Minor | None | |
|---|---|---|---|---|
| Flight crew | 1 |
The factual record for the Reims Aviation SA CESSNA F177RG from the NTSB's investigation tables, in plain English
The aircraft
- Maximum gross weight: 2,800 lb
- Landing gear: fixed
- Engine: Lycoming IO-360-A1B6 (piston); 0 hours total
Injuries
| Fatal | Serious | Minor | None | |
|---|---|---|---|---|
| Flight crew | 1 |
Documents from the investigation the NTSB's docket: the evidence folder behind the report
The NTSB has not released the docket for this case yet. The docket, the folder of records gathered during an investigation (maintenance records, photographs, witness statements, examinations), is usually released when the investigation is nearly complete, and the list here is refreshed when it appears. Check 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.