Bell 206L-3 accident near Mac Doel, California, June 21, 1990
On June 21, 1990 at about 7:54 pm local time, a Bell 206L-3 (helicopter), registered N10UB, was substantially damaged in an accident near Mac Doel, California. It was a public-use flight under public-use (government) rules. No one was hurt. The weather was conditions the NTSB did not record.
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 November 2, 2026. Docket and reports at the NTSB.
What the record shows
- Date
- June 21, 1990 · about 7:54 pm local time · cases in 1990
- Place
- Mac Doel, California · map
- Type
- Accident
- Injuries
- No one was hurt.
- Weather
- conditions the NTSB did not record
- Aircraft
- Bell 206L-3 · all 206L-3s on the register
- Registration
- N10UB · registry record · serial 51077
- Damage
- Substantial damage
- Flight
- Public-use flight · public-use (government) rules
The factual record from the NTSB's investigation tables, in plain English
The aircraft
- Last inspection: inspection type not recorded
- Maximum gross weight: 14,000 lb
- Seats: 7
- Landing gear: fixed
- Not recorded
- Operator: Rogers Helicopters INC.
The flight
- Flight plan: not recorded
- Runway 0
Weather at the time
- Light: daylight
- Sky: not recorded; not recorded
- Temperature: 0°F (-18°C), dew point 0°F (-18°C)
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.
Other NTSB records under N10UB the same tail number, which may have belonged to a different aircraft at the time
Connections how this case links to the rest of the register
- N10UB on the register today · the tail number may have moved to another aircraft since
- Bell 206 JetRanger and LongRanger 1,453 registered today · the model family and its accident history
- Bell 3,079 aircraft on the register
- Accidents and incidents in California 9,080 since 1982 · 1,098 in the last ten years
- California 27,713 aircraft registered
- Other NTSB records under N10UB 1 records · the number may have belonged to another aircraft at the time
The whole map of how records connect · these connections as data: /graph/accident/LAX90TL%2305.json.
The bigger picture in Aviation Analytics: accidents over time since 1982, by model, by phase of flight and conditions, by place and on the map.
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 does not name anyone involved, its policy at this time. A preliminary report can change; the final report usually follows one to two years later, and the page is refreshed when it does.