Cessna 150M accident near Boulder, Colorado, April 24, 1984
On April 24, 1984, a Cessna 150M, registered N714ED, was substantially damaged in an accident near Boulder, Colorado (Boulder Muni airport). It was an instructional flight under general aviation rules (Part 91). No one was hurt; 2 people were on board or involved. 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
- April 24, 1984
- Place
- Boulder, Colorado · Boulder Muni · map
- Type
- Accident
- Injuries
- No one was hurt; 2 people were on board or involved.
- Weather
- visual conditions (good weather)
- Aircraft
- Cessna 150M · all 150Ms on the register
- Registration
- N714ED · registry record · serial 15079112
- Damage
- Substantial damage
- Flight
- Instructional flight · general aviation rules (Part 91)
The NTSB's narrative final · quoted from the NTSB record
DURING FINAL APPROACH THE ACFT ENCOUNTERED A DOWNDRAFT & IMPACTED THE GROUND ABOUT 50 FT SHORT OF THE RWY. THE POSSIBILITY OF DOWNDRAFTS AT THE APPROACH END OF RWY 26 WAS WELL KNOWN TO LOCAL PLTS INCLUDING THE INSTRUCTOR PLT (CFI).THE CFI REPORTED THE WIND WAS FROM 250 DEG AT 15 GUSTING 20 KTS.
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: flight instructor, commercial pilot
- Ratings: multi-engine land; single-engine land; instructor: airplane single-engine; instrument: airplane
- Flight time: 1,072 hours in all; 26 in this make and model; 17 in the last 90 days; 830 as pilot in command
- Medical certificate: Class 2 (valid medical--w/ waivers/lim.)
- Seat: rgt
The aircraft
- Airframe total time: 3,330 hours
- Last inspection: 100-hour inspection, November 19, 1983; 3 hours since
- Maximum gross weight: 1,600 lb
- Seats: 2
- Landing gear: fixed
- Engine: Continental O-200-A (piston); 0 hours total
The flight
- Flight plan: none
- Runway 26, 4,100 ft by 75 ft
- A second pilot was aboard
Weather at the time
- Light: daylight
- Wind: from 250° at 15 knots, gusting 20
- Visibility: 50 statute miles
- Sky: clear
- Temperature: 63°F (17°C), dew point 0°F (-18°C)
- Altimeter: 29.00 inHg
Injuries
| Fatal | Serious | Minor | None | |
|---|---|---|---|---|
| Crew | 2 |
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.