Mcdonnell Douglas DC-10-10 accident near Morton, Wyoming, July 16, 1982
On July 16, 1982 at about 6:02 pm local time, a Mcdonnell Douglas DC-10-10, registered N1815U, suffered minor damage in an accident near Morton, Wyoming. It was a flight of an unrecorded kind under scheduled airline rules (Part 121). 7 people were seriously injured and 19 people had minor injuries; 142 others were unhurt. 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 16, 1982 · about 6:02 pm local time
- Place
- Morton, Wyoming
- Type
- Accident
- Injuries
- 7 people were seriously injured and 19 people had minor injuries; 142 others were unhurt.
- Weather
- visual conditions (good weather)
- Aircraft
- Mcdonnell Douglas DC-10-10 · all DC-10-10s on the register
- Registration
- N1815U · registry record · serial 46614
- Damage
- Minor damage
- Flight
- Flight of an unrecorded kind · scheduled airline rules (Part 121)
The NTSB's narrative final · quoted from the NTSB record
WHILE FLYING IN GOOD WX OVER CENTRAL WYOMING, THE CAPTAIN NOTED A GENTLE WAVE MOTION THAT CAUSED THE AUTOTHROTTLES TO REACT. THEREFORE, HE DISENGAGED THE AUTOTHROTTLES AND AUTOPILOT. THE ACFT HAD LOST 250 FT DRG THE WAVE MOTION, SO THE CAPTAIN TURNED ON THE SEAT BELT SIGN & BEGAN A CLIMB BACK TO 39,000 FT. ABOUT 30 SEC LATER (APRX 4 MIN AFT THE INITIAL WAVE ACTION), THE ACFT EXPERIENCED A SHARP JOLT. THE VERT "G" FORCES WENT FROM MINUS .6 TO POSITIVE 1.6 G IN APRX 1.25 SEC. THE AIR WAS SMOOTH AFTER THE JOLT & NO AFCT SYS WAS AFFECTED. A DOCTOR TREATED THE INJURED WHILE THE FLT CONTINUED TO DESTINATION. A WX SUMMARY INDICATED THAT THE ACFT HAD ENCOUNTERED A MOUNTAIN WAVE AND/OR TURBULENCE WINDSHEAR NEAR THE TROPOPAUSE. INDICATIONS NORMALLY USED TO FORECAST WAVES WERE NOT PRESENT UNTIL THE APPROXIMATE TIME OF THE ACCIDENT.
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
- Ratings: multi-engine land; single-engine land; instrument: airplane
- Flight time: 20,000 hours in all; 1,550 in this make and model
- Medical certificate: Class 1 (valid medical--no waivers/lim.)
- Seat: unk
The aircraft
- Airframe total time: 28,360 hours
- Last inspection: inspection type not recorded; 553 hours since
- Maximum gross weight: 440,000 lb
- Seats: 254
- Landing gear: retractable
- Engine: Ge CF6 (turbofan); 0 hours total
- Operator: United Airlines
The flight
- Departed from: BOS Boston MA at 10:06 am
- Destination: SFO San Francisco CA
- Flight plan: IFR
- Runway 0
Weather at the time
- Light: daylight
- Visibility: 50 statute miles
- Sky: not recorded; clear
- Temperature: 0°F (-18°C), dew point 0°F (-18°C)
Injuries
| Fatal | Serious | Minor | None | |
|---|---|---|---|---|
| Crew | 2 | 3 | 6 | |
| Passengers | 5 | 16 | 136 |
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.