Beech 99A incident near Fort Morgan, Colorado, October 21, 1984
On October 21, 1984 at about 9:12 pm local time, a Beech 99A, registered N1921T, suffered minor damage in an incident near Fort Morgan, Colorado. It was a flight of an unrecorded kind under charter and air-taxi rules (Part 135). No one was hurt; 6 people were on board or involved. The weather was instrument conditions (cloud, fog or low visibility).
The NTSB's probable cause their words, unchanged
The NTSB has not yet published a probable cause for this incident. 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
- October 21, 1984 · about 9:12 pm local time
- Place
- Fort Morgan, Colorado · map
- Type
- Incident
- Injuries
- No one was hurt; 6 people were on board or involved.
- Weather
- instrument conditions (cloud, fog or low visibility)
- Aircraft
- Beech 99A · all 99As on the register
- Registration
- N1921T · no longer on the register · serial U-128
- Damage
- Minor damage
- Flight
- Flight of an unrecorded kind · charter and air-taxi rules (Part 135)
The NTSB's narrative final · quoted from the NTSB record
CAPTAIN SHUTDOWN RT ENGINE IN-FLIGHT DUE TO A SURGING AND VIBRATION PROBLEM. THE AIRCRAFT WAS IN MODERATE ICING CONDITIONS AT THE TIME OF THE ENGINE SHUTDOWN. THE CAPTAIN WAS UNABLE TO MAINTAIN ALTITUDE AND AN EMERGENCY LANDING WAS MADE IN A CORN FIELD. POST INCIDENT EXAMINATION OF THE RT ENGINE REVEALED THAT A COMPRESSOR TURBINE BLADE HAD FAILED IN FATIGUE, CAUSING ADDITIONAL DAMAGE TO THE REMAINING BLADES. APPROXIMATELY 1 1/2 TO 2 INCHES OF ICE WERE FOUND ON VARIOUS UNPROTECTED AREAS OF THE AIRCRAFT.
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: 8,790 hours in all; 18 in this make and model; 8,417 as pilot in command
- Medical certificate: Class 1 (valid medical--w/ waivers/lim.)
- Seat: left
The aircraft
- Airframe total time: 20,030 hours
- Last inspection: continuous airworthiness programme, October 15, 1984; 31 hours since
- Maximum gross weight: 10,400 lb
- Seats: 17
- Landing gear: retractable
- Engine: P&W PT6A-28 (turboprop); 0 hours total
- Operator: Pioneer Airways, INC.
The flight
- Departed from: DEN Denver CO at 9:40 pm
- Destination: SNY Sydney NE
- Flight plan: IFR
- Runway 0
- A second pilot was aboard
Weather at the time
- Light: daylight
- Wind: from 007° at 7 knots
- Visibility: 10 statute miles
- Sky: broken clouds at 10,000 ft
- Temperature: 28°F (-2°C), dew point 70°F (21°C)
- Altimeter: 30.00 inHg
- Observation at 9:52 pm from AKO
Injuries
| Fatal | Serious | Minor | None | |
|---|---|---|---|---|
| Crew | 2 | |||
| Passengers | 4 |
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.