Piper PA-23-160 N4305Y
2 September 1992 · Concord, California, United States · Fatal
Summary
On 2 September 1992 at about 21:41 local time, a Piper PA-23-160 registered N4305Y, operated by Chavossy, Louis, was involved in an accident near Concord, California, United States. 2 people were on board and 2 died. The aircraft was destroyed. The NTSB has published a probable cause for this accident; it is quoted in full below.
The record
- Date
- at 21:41
- Classification
- Accident
- Location
- Concord, California, United States
- Nearest airport
- Buchanan Field (CCR)
- Coordinates
- 38.0000, -122.0309
- Aircraft
- Piper PA-23-160
- Registration
- N4305Y
- Category
- Airplane
- Engines
- 2
- Operator
- Chavossy, Louis
- Operating rule
- Part 91: General Aviation
- Purpose of flight
- Instructional
- Phase of flight
- Not recorded
- Route
- Hayward → Unknown
- Aircraft damage
- Destroyed
- Weather
- VMC
- Light
- Day
- NTSB number
- LAX92FA374
People
2 people died.
| On board | Died | Serious | Minor | Uninjured |
|---|---|---|---|---|
| 2 | 2 | 0 | 0 | 0 |
Probable cause
The following Probable Cause was modified on April18, 2007, as a result of new information provided to the NTSB. THE IMPROPER INSTALLATION OF THE 1.75 INCH OD PLUG IN THE CRANKSHAFT BY UNKNOWN MAINTENANCE PERSONNEL WHICH RESULTED IN AN INADVERTENT FEATHERING OF THE LEFT ENGINE PROPELLER.
Quoted verbatim from the NTSB record. This site does not paraphrase or interpret it.
Read the full NTSB narrative
The following Brief was modified on April18, 2007, as a result of new information provided to the NTSB. THE AIRCRAFT COLLIDED WITH A BRIDGE WHILE TRYING TO RETURN TO THE AIRPORT AFTER REPORTING AN EMERGENCY DURING THE PREVIOUS TOUCH AND GO LANDING. WITNESSES INDICATED BOTH ENGINES SOUNDED LIKE THEY WERE RUNNING AND BOTH PROPELLERS WERE TURNING. THE LEFT ENGINE PROPELLER WAS FOUND FEATHERED AFTER THE ACCIDENT. INVESTIGATION REVEALED A 1.75 INCH OD PLUG INSTALLED IN THE CRANKSHAFT TO SEPARATE OIL PRESSURE FROM THE PROPELLER GOVERNOR AND THE ENGINE CRANKCASE WAS BLOWN AFT DAMAGING THE NUMBER ONE ROD CONNECTING JOURNAL OIL TRANSFER TUBE. EXAMINATION OF THE PLUG DISCLOSED THAT IT WAS INSTALLED BACKWARDS.
Quoted verbatim from the NTSB record.
Other Piper PA-23 accidents
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 7 May 1992 | Piper PA-23-250 | Valentine, Nebraska, United States | WM. J. Kerr/Robt. Kilmer | No injuries | - |
| 28 Jun 1992 | Piper PA-23-250 | St. Thomas | Caribbean Air Carrier, Inc. | Fatal | 4 |
| 3 Apr 1992 | Piper PA-23-250 | Denver, Colorado, United States | Richard D. Sunderland | No injuries | - |
| 6 Mar 1992 | Piper PA-23-250 | Sandston, Virginia, United States | Jasper Engine Exchange Inc. | Fatal | 2 |
| 13 Jan 1992 | Piper PA-23-150 | Grand Rapids, Minnesota, United States | Weske, Douglas P | No injuries | - |
| 8 Mar 1992 | Piper PA-23-150 | Romeoville, Illinois, United States | Flying "C" Leasing | No injuries | - |
All 1,716 records for this type
Other accidents in this area
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 22 Feb 1992 | Piper PA-28R-201T | Ludlow, California, United States | Higgins, Melvin W & Jean | Minor injuries | - |
| 22 Feb 1992 | Beechcraft C-23 | Fullerton, California, United States | Eldon R. Howe | No injuries | - |
| 23 Feb 1992 | Cessna 150 | San Jose, California, United States | Veda Corporation | Minor injuries | - |
| 23 Feb 1992 | Cessna 182N | San Ardo, California, United States | Soil Service, Inc. | No injuries | - |
| 25 Feb 1992 | Grumman G-164B | Dixon, California, United States | Sunrise Duster, Inc. | No injuries | - |
| 25 Feb 1992 | Bellanca 7ECA | Apple Valley, California, United States | Chester Waite | Serious injuries | - |