Cessna P210N N3599P
4 April 2010 · Leavenworth, Washington, United States · No injuries
Summary
On 4 April 2010 at about 17:35 local time, a Cessna P210N registered N3599P, operated by Norris Brown, was involved in an accident near Leavenworth, Washington, 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 17:35
- Classification
- Accident
- Location
- Leavenworth, Washington, United States
- Coordinates
- 47.8297, -120.7642
- Aircraft
- Cessna P210N
- Registration
- N3599P
- Category
- Airplane
- Engines
- 1
- Operator
- Norris Brown
- Operating rule
- Part 91: General Aviation
- Purpose of flight
- Personal
- Phase of flight
- Not recorded
- Route
- Everett → Spokane
- Aircraft damage
- Substantial
- Weather
- VMC
- Light
- Day
- NTSB number
- WPR10LA196
People
Nobody was injured.
| On board | Died | Serious | Minor | Uninjured |
|---|---|---|---|---|
| 1 | 0 | 0 | 0 | 1 |
Probable cause
The failure of the number two cylinder exhaust and intake valves for undetermined reasons, which resulted in a loss of engine power.
Quoted verbatim from the NTSB record. This site does not paraphrase or interpret it.
Read the full NTSB narrative
The airplane was in a cruise flight configuration when the engine ceased operating without warning. The pilot made an emergency descent and the airplane collided with a fence while landing in a field. Disassembly of the engine revealed extensive mechanical damage to the number two cylinder combustion chamber and piston assembly. The exhaust valve seat insert was missing and fragments of the insert were later found in the oil sump. The exhaust valve head had separated from the valve stem. The intake valve head had approximately 50 percent of the material separated. The fracture surfaces on the exhaust valve, intake valve and exhaust valve seat were damaged such that the mode of fracture could not be definitively determined. Hardness testing of the components indicted that they were within the manufacturer’s prescribed specifications. The sequence of fractures and separations of components could not determined.
Quoted verbatim from the NTSB record.
Other Cessna P210N accidents
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 22 May 2010 | Cessna P210N | Petaluma, California, United States | Pine Lake Leasing Group LLC | No injuries | - |
| 6 Sep 2010 | Cessna P210N | Caledonia, Michigan, United States | Centurion Aviation LLC | No injuries | - |
| 21 May 2010 | Cessna P210N | Cambridge, New York, United States | Kinderhook Aviation LLC | No injuries | - |
| 18 Feb 2010 | Cessna P210N | Carthage, North Carolina, United States | Parish Havner H JR | Minor injuries | - |
| 3 Mar 2010 | Cessna P210N | Arcadia, Florida, United States | McDermott Wayne E | Serious injuries | - |
| 6 Mar 2010 | Cessna P210N | Miami, Florida, United States | - | No injuries | - |
Other accidents in this area
| Date | Aircraft | Location | Operator | Outcome | Died |
|---|---|---|---|---|---|
| 28 Aug 2010 | Piper PA-15 | Duvall, Washington, United States | Petersen Rodger E | Minor injuries | - |
| 5 Mar 2010 | Tarantola Leonard RV-6A | Onalaska, Washington, United States | Decker Richard A | No injuries | - |
| 14 Jun 2010 | Waco UKC-S | Seattle, Washington, United States | Kenneth D. Horwitz | No injuries | - |
| 14 Oct 2010 | Mischke BD-5B | Burlington, Washington, United States | David Mischke | Serious injuries | - |
| 21 Jul 2010 | Schweizer G-164B | Prescott, Washington, United States | Blue Mountain Aviation | No injuries | - |
| 16 Oct 2010 | Deitz AVID FLYER MK4 | Colville, Washington, United States | Harrell Hartman | Minor injuries | - |