Cessna 170B and Robinson R-22 mid-air collision near Uxbridge, Ca, June 20, 2001
On June 20, 2001 at about 11:50 pm local time, 2 aircraft, Cessna 170B (CGKGG) and Robinson R-22 (CFFFM), were involved in a mid-air collision near Uxbridge. 1 person was killed and 1 person had minor injuries. 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
- June 20, 2001 · about 11:50 pm local time
- Place
- Uxbridge, Canada
- Type
- Accident · mid-air collision
- Injuries
- 1 person was killed and 1 person had minor injuries.
- Weather
- visual conditions (good weather)
- Aircraft 1
- Cessna 170B · all 170Bs on the register
- Registration
- CGKGG · no longer on the register
- Damage
- Minor damage
- Flight
- Personal flight · non-U.S. private rules
- Aircraft 2
- Robinson R-22 · all R-22s on the register
- Registration
- CFFFM · no longer on the register
- Damage
- Destroyed
- Flight
- Flight of an unrecorded kind · non-U.S. private rules
The factual record for the Cessna 170B from the NTSB's investigation tables, in plain English
The aircraft
- Landing gear: fixed
The flight
- Departed from: Uxbridge at 11:45 pm
- Flight plan: not recorded
Weather at the time
- Wind: at 0 knots
- Visibility: 15 statute miles
- Sky: broken clouds at 24,000 ft; a few clouds at 16,000 ft
- Temperature: 70°F (21°C), dew point 48°F (9°C)
Injuries
| Fatal | Serious | Minor | None | |
|---|---|---|---|---|
| Crew | 1 |
The factual record for the Robinson R-22 from the NTSB's investigation tables, in plain English
The aircraft
- Landing gear: fixed
The flight
- Departed from: CNF4 Lindsy
- Destination: CYKZ Buttonville
- Flight plan: none
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.