Avions Marcel Dassault MISTERT FALCON 900 N90EW
18 February 1991 · Eagle, Colorado, United States · No injuries
Summary
On 18 February 1991 at about 23:00 local time, a Avions Marcel Dassault MISTERT FALCON 900 registered N90EW, operated by Aviations Methods, Inc., was involved in an incident near Eagle, Colorado, United States. 7 people were on board and nobody was injured. The aircraft was slightly damaged. The NTSB has published a probable cause for this accident; it is quoted in full below.
The record
- Date
- at 23:00
- Classification
- Incident
- Location
- Eagle, Colorado, United States
- Coordinates
- 39.6495, -106.8208
- Aircraft
- Avions Marcel Dassault MISTERT FALCON 900
- Registration
- N90EW
- Category
- Airplane
- Engines
- 2
- Operator
- Aviations Methods, Inc.
- Operating rule
- Part 91: General Aviation
- Purpose of flight
- Business
- Phase of flight
- Not recorded
- Route
- Eagle → San Francisco
- Aircraft damage
- Minor
- Weather
- VMC
- Light
- Day
- NTSB number
- DEN91IA046
People
Nobody was injured.
| On board | Died | Serious | Minor | Uninjured |
|---|---|---|---|---|
| 7 | 0 | 0 | 0 | 7 |
Probable cause
IMPROPER ENGINE MAINTENANCE BY MAINTENANCE PERSONNEL, IMPROPER ASSEMBLY OF THE COMBUSTION ASSEMBLY TRANSITION LINER, AND THE RUPTURE OF THE FIRST STAGE LP TURBINE WHEEL.
Quoted verbatim from the NTSB record. This site does not paraphrase or interpret it.
Read the full NTSB narrative
N90EW WAS IN A CLIMBING TURN PASSING THROUGH 11500 FEET WHEN THE FLIGHT CREW FELT AND HEARD AN EXPLOSION. COCKPIT INSTRUMENTS INDICATED THAT THE LEFT ENGINE HAD FAILED. THE ENGINE WAS SECURED AND THE AIRCRAFT RETURNED TO EAGLE COUNTY AIRPORT WITHOUT FURTHER INCIDENT. A SUBSEQUENT ENGINE EXAMINATION REVEALED AN ERROR OCCURRED IN THE ASSEMBLY OF THE MATING OF THE INNER TRANSITION LINER TO THE HP TURBINE NOZZLE DURING THE LAST MAJOR PERIODIC MAINTENANCE INSPECTION.
Quoted verbatim from the NTSB record.
Other accidents in this area
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 2 Oct 1991 | Enstrom F-28C | Evergreen, Colorado, United States | James B. Highbanks | No injuries | - |
| 4 Oct 1991 | Cessna 172M | Erie, Colorado, United States | Tri-County Flight School | No injuries | - |
| 13 Oct 1991 | Piper PA-18-150 | Telluride, Colorado, United States | Christopher Carroll | No injuries | - |
| 30 Oct 1991 | Piper PA-24-250 | Ellicott, Colorado, United States | Southwest Aircraft Recovery | Minor injuries | - |
| 18 Nov 1991 | Piper PA-28-161 | Greeley, Colorado, United States | P.c. Flyers | No injuries | - |
| 20 Nov 1991 | Cessna 172N | Boulder, Colorado, United States | Dakota Ridge Aviation | No injuries | - |