Rockwell 112TC N4581W
31 July 1992 · Glendale, Arizona, United States · No injuries
Summary
On 31 July 1992 at about 22:05 local time, a Rockwell 112TC registered N4581W, operated by Kevin D. Nielsen, was involved in an accident near Glendale, Arizona, United States. One person was on board and nobody was injured. The aircraft was substantially damaged. The NTSB has published a probable cause for this accident; it is quoted in full below.
The record
- Date
- at 22:05
- Classification
- Accident
- Location
- Glendale, Arizona, United States
- Coordinates
- 33.6597, -112.1791
- Aircraft
- Rockwell 112TC
- Registration
- N4581W
- Category
- Airplane
- Engines
- 1
- Operator
- Kevin D. Nielsen
- Operating rule
- Part 91: General Aviation
- Purpose of flight
- Personal
- Phase of flight
- Not recorded
- Route
- Unknown → Vacaville
- Aircraft damage
- Substantial
- Weather
- VMC
- Light
- Day
- NTSB number
- LAX92LA327
People
Nobody was injured.
| On board | Died | Serious | Minor | Uninjured |
|---|---|---|---|---|
| 1 | 0 | 0 | 0 | 1 |
Probable cause
A LOSS OF ENGINE POWER DUE TO EXCESSIVE CARBON DEPOSITS ON THE NUMBER ONE CYLINDER EXHAUST VALVE, AND, THE PILOTS ATTEMPTED OPERATION OF THE AIRCRAFT WITH KNOWN MECHANICAL DEFICIENCIES.
Quoted verbatim from the NTSB record. This site does not paraphrase or interpret it.
Read the full NTSB narrative
THE ACCIDENT SEQUENCE WAS WITNESSED BY SEVERAL A & P MECHANICS WORKING AT THE GLENDALE AIRPORT. ONE WITNESS SAID THE ENGINE SEEMED TO BE RUNNING ROUGH AND BACKFIRING DURING THE PRETAKEOFF ENGINE RUNUP. THE AIRCRAFT INITIATED A TAKEOFF AND THE WITNESSES REPORTED THAT THE ENGINE ROUGHNESS AND BACKFIRING CONTINUED THROUGHOUT THE TAKEOFF GROUND ROLL AND INITIAL CLIMB. THE AIRCRAFT WAS OBSERVED TO MANEUVER TO THE DOWN WIND LEG AS IF THE PILOT WERE ATTEMPTING TO RETURN FOR A LANDING, THEN THE ENGINE CEASED RUNNING ALTOGETHER. THE AIRCRAFT COLLIDED WITH THE GROUND IN A CORN FIELD ABOUT ONE HALF MILE FROM THE END OF THE RUNWAY AND SHEARED OFF THE LANDING GEAR. EXAMINATION OF THE ENGINE BY AN A & P MECHANIC UNDER THE SUPERVISION OF FAA INSPECTORS REVEALED THAT THE NUMBER ONE CYLINDER EXHAUST VALVE WAS STUCK IN THE OPEN POSITION DUE TO CARBON BUILDUP ON THE VALVE STEM.
Quoted verbatim from the NTSB record.
Other Rockwell 112 accidents
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 7 Aug 1992 | Rockwell 112TC | Winner, South Dakota, United States | Duane T. Brooks | Minor injuries | - |
| 9 Aug 1992 | Rockwell 112-TC | St Mary's, West Virginia, United States | Sherman D. Taffel | Minor injuries | - |
| 16 Oct 1991 | Rockwell 112YC | Detroit, Michigan, United States | Raymond A. Pedersen | No injuries | - |
| 7 Apr 1991 | Rockwell 112TCA | Burbank, California, United States | WM Baxter/Richard Purvis | Minor injuries | - |
| 18 Mar 1991 | Rockwell 112B | Nederland, Colorado, United States | Berger, Henry M. & June H. | Serious injuries | - |
| 18 May 1993 | Rockwell 112TC | Destin, Florida, United States | Adamyk, Emil | No injuries | - |
Other accidents in this area
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 1 Mar 1992 | Helio HST-550A | Salome, Arizona, United States | Maytag, David D. JR. | Minor injuries | - |
| 27 Nov 1992 | Cessna 404 | Tucson, Arizona, United States | U. S. Customs Service | No injuries | - |
| 21 Mar 1992 | Boeing 757-222 | Phoenix, Arizona, United States | United Airlines | Serious injuries | - |
| 2 Oct 1992 | Cessna 170B | Prescott, Arizona, United States | Darrah, LEE | No injuries | - |
| 4 Oct 1992 | Cessna 150M | Three Points, Arizona, United States | Genzman, Dennis W. | Minor injuries | - |
| 27 Mar 1992 | Beechcraft F33A | Payson, Arizona, United States | Steering Committee Corp. | Fatal | 2 |