Cessna P210N N731HP
1 May 1993 · Oakland, California, United States · Serious injuries
Summary
On 1 May 1993 at about 00:30 local time, a Cessna P210N registered N731HP was involved in an accident near Oakland, California, United States. One person was on board and one was seriously injured. The aircraft was destroyed. The NTSB has published a probable cause for this accident; it is quoted in full below.
The record
- Date
- at 00:30
- Classification
- Accident
- Location
- Oakland, California, United States
- Nearest airport
- Oakland Intl Airport (OAK)
- Coordinates
- Not recorded
- Aircraft
- Cessna P210N
- Registration
- N731HP
- Category
- Airplane
- Engines
- 1
- Operator
- Not recorded
- Operating rule
- Part 91: General Aviation
- Purpose of flight
- Personal
- Phase of flight
- Not recorded
- Route
- Hayward → Unknown
- Aircraft damage
- Destroyed
- Weather
- VMC
- Light
- Day
- NTSB number
- LAX93LA194
People
1 person was seriously injured.
| On board | Died | Serious | Minor | Uninjured |
|---|---|---|---|---|
| 1 | 0 | 1 | 0 | 0 |
Probable cause
the pilot's poor decision to continue flying the airplane with a known deficiency and the poorly performed major overhaul of the engine. The failed crankshaft due to fatigue are factors in this accident.
Quoted verbatim from the NTSB record. This site does not paraphrase or interpret it.
Read the full NTSB narrative
SHORTLY AFTER DEPARTING A LOCAL AIRPORT THE AIRPLANE SUSTAINED A TOTAL LOSS OF POWER AND SUBSEQUENTLY CRASHED IN A RESIDENTIAL SECTION. THE PILOT RECENTLY PURCHASED THE AIRPLANE. DURING THE THE PRE-BUY INSPECTION AT A MIDWEST FACILITY, THE OIL FILTER CHECK AND THE OIL ANALYSIS REVEALED THE PRESENCE OF METAL PARTICLES. THE BROKER ADVISED THE PILOT NOT TO FLY THE AIRPLANE UNTIL THE ENGINE WAS OVERHAULED OR EXCHANGED. THE PILOT SETTLED FOR A PRICE REDUCTION, PURCHASED THE AIRPLANE, AND RETURNED IT TO NORTHERN CALIFORNIA. THE PILOT CONTINUED TO FLY THE AIRPLANE AND ACCRUED 22.9 HOURS AT THE TIME OF THE ACCIDENT. THE POST ACCIDENT ENGINE EXAMINATION DISCLOSED THE CRANKSHAFT FAILED IN FATIGUE AT THE NO. 2 JOURNAL WHERE IT EXITS THE NO. 2 MAIN BEARING. METALLURGICAL EXAMINATION REVEALED THE FATIGUE INITIATED DUE TO IMPROPER TORQUE OF THE THRU-BOLTS. THE AIRFRAME AND ENGINE HAD ACCRUED 937.4 TOTAL HOURS. THE ENGINE WAS OVERHAULED DUE TO A PROPELLER STRIKE WHEN IT HAD ACCRUED 522.5 HOURS.
Quoted verbatim from the NTSB record.
Other Cessna P210N accidents
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 1 Nov 1993 | Cessna P210N | Fort Lauderdale, Florida, United States | Prop Jet Intl. Inc. | Minor injuries | - |
| 10 Jan 1994 | Cessna P210N | San Martin, California, United States | Robert J. Kushner | Serious injuries | - |
| 15 Jan 1994 | Cessna P210N | New Castle, Delaware, United States | Dipetro, Anthony | Serious injuries | - |
| 17 Nov 1994 | Cessna P210N | Alamosa, Colorado, United States | - | No injuries | - |
| 12 Apr 1992 | Cessna P210N | Baxter, California, United States | Amat, Incorporated | Fatal | 5 |
| 13 Nov 1994 | Cessna P210N | Savoy, Illinois, United States | - | Fatal | 4 |
Other accidents in this area
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 26 Jul 1993 | Cessna 310H | Lancaster, California, United States | Yehiem Konski | Fatal | 6 |
| 14 Nov 1993 | Cessna 182 | Colusa, California, United States | - | No injuries | - |
| 20 Jan 1993 | Cessna 172P | Sun City, California, United States | Hiser Helicopters, Inc. | Fatal | 1 |
| 31 Jul 1993 | Robinson R44 | El Monte, California, United States | Benjamin F. Venti, SR. | Fatal | 3 |
| 17 Nov 1993 | Piper PA-38-112 | Fresno, California, United States | - | No injuries | - |
| 21 Jan 1993 | Beechcraft A35 | Tulare, California, United States | Rent and Lease Programs | Fatal | 2 |