Mitsubishi MU-2B-20 N3MU
12 October 1986 · Denver, Colorado, United States · No injuries
Summary
On 12 October 1986 at about 16:51 local time, a Mitsubishi MU-2B-20 registered N3MU, operated by Gene Gartke, was involved in an accident near Denver, Colorado, United States. 2 people were on board and nobody was injured. The aircraft was substantially damaged. No probable cause statement is available for this record.
The record
- Date
- at 16:51
- Classification
- Accident
- Location
- Denver, Colorado, United States
- Nearest airport
- Stapleton Int'l (DEN)
- Coordinates
- 39.7595, -104.9199
- Aircraft
- Mitsubishi MU-2B-20
- Registration
- N3MU
- Category
- Airplane
- Engines
- 2
- Operator
- Gene Gartke
- Operating rule
- Part 91: General Aviation
- Purpose of flight
- Ferry
- Phase of flight
- Not recorded
- Route
- Unknown → Chicago
- Aircraft damage
- Substantial
- Weather
- VMC
- Light
- Day
- NTSB number
- DEN87FA003
People
Nobody was injured.
| On board | Died | Serious | Minor | Uninjured |
|---|---|---|---|---|
| 2 | 0 | 0 | 0 | 2 |
Probable cause
The NTSB has not published a probable cause for this record. No probable cause statement is present in the source data.
Nothing about the cause is stated here that is not in the source record.
Read the full NTSB narrative
ACFT HAD BEEN REPOSSESSED AND WAS BEING FERRIED FROM GRAND JUNCTION, CO, TO CHICAGO, IL, WITH EN ROUTE STOP AT DENVER, CO. AFTER TAKEOFF FROM DENVER, LANDING GEAR WOULD NOT RETRACT. PLT MADE SEVERAL ATTEMPTS WITHOUT SUCCESS. HE ELECTED TO RETURN TO DENVER. PLT SAID THAT ON FINAL APCH THE RIGHT ENG BEGAN SURGING AND THE LEFT ENG WOULD NOT INCREASE PWR. ACFT MADE HARD LANDING ON RWY, BREAKING LEFT WING. INVESTIGATION REVEALED BOTH SPEED LEVERS WOULD NOT FUNCTION BECAUSE ENG PROP GOVERNORS AND UNDERSPEED FUEL GOVERNOR RESET ARMS, SPLINED ONTO UNDERSPEED FUEL GOVERNOR SHAFTS, WERE POSITIONED ON OPPOSITE SIDE OF SPEED LEVER ACTUATING ARMS. LANDING GEAR FUNCTIONED NORMALLY DURING SWING TESTS. IT WAS LATER LEARNED THAT RIGHT MAIN TIRE HAD BLOWN ON TAKEOFF 3 DAYS EARLIER AND REQUIRED REPAIR. MAINTENANCE PERSONNEL OPENED THE LANDING GEAR CIRCUIT BREAKERS TO PRECLUDE INADVERTENT GEAR RETRACTION. PLT SAID HE CHECKED CIRCUIT BREAKERS WHEN GEAR FAILED TO RETRACT.
Quoted verbatim from the NTSB record.
Other Mitsubishi MU-2B accidents
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 5 Mar 1986 | Mitsubishi MU-2B-60 | Eola, Illinois, United States | - | Fatal | 5 |
| 3 Jun 1986 | Mitsubishi MU-2B-35 | Bartlett, Texas, United States | Martinaire, Inc. | Fatal | 1 |
| 18 Jun 1987 | Mitsubishi MU-2B | Coral Springs, Florida, United States | George Moore | Fatal | 1 |
| 17 Oct 1985 | Mitsubishi MU-2B-2D | El Paso, Texas, United States | Air Exchange Inc. | Fatal | 1 |
| 7 Dec 1987 | Mitsubishi MU-2B-20 | White Plains, New York, United States | - | No injuries | - |
| 11 Jul 1985 | Mitsubishi MU-2B-26 | Southbridge, Massachusetts, United States | - | No injuries | - |
Other accidents in this area
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 6 Oct 1986 | Cessna 177RG | Glenwood Spring, Colorado, United States | - | Minor injuries | - |
| 15 Oct 1986 | Piper PA-22-160 | Fort Morgan, Colorado, United States | - | No injuries | - |
| 4 Nov 1986 | Bellanca 7GCAA | Englewood, Colorado, United States | Eugene R. Berry | No injuries | - |
| 15 Nov 1986 | Cessna 120 | Peyton, Colorado, United States | - | Minor injuries | - |
| 29 Nov 1986 | Cessna 152 | Ellicott, Colorado, United States | - | No injuries | - |
| 14 Dec 1986 | Cessna 152 | Englewood, Colorado, United States | Wings of Denver | No injuries | - |