ASN Wikibase Occurrence # 44660
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| Date: | Saturday 23 October 2004 |
| Time: | 09:45 |
| Type: |  Beechcraft F33A Bonanza |
| Owner/operator: | Private |
| Registration: | N18303 |
| MSN: | CE-725 |
| Year of manufacture: | 1977 |
| Total airframe hrs: | 2915 hours |
| Engine model: | Continental IO-550 |
| Fatalities: | Fatalities: 1 / Occupants: 1 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Flat Rock, NC -
 United States of America
|
| Phase: | Take off |
| Nature: | Private |
| Departure airport: | Hendersonville, NC (0A7) |
| Portsmouth, VA (PVG) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
Review of records revealed the pilot was cleared for departure, and at 0942 radar contact was established with the airplane, and the pilot was instructed to turn left direct Sugarloaf VOR. Witnesses estimated the weather to be 200-300 feet overcast with 1 1/2 miles visibility in fog. At 0945, radar contact was lost with the airplane. Examination of the wreckage site revealed the downed airplane was located approximately four miles east from the Hendersonville Airport, at the base of a hill in a nose down attitude. All flight control surfaces, flight controls, engine and propeller were located at the site. Post accident examination of the engine revealed the crankshaft was rotated and valve train movement was confirmed to all of the cylinders, oil pump, and pistons. The three propeller blades displayed chord-wise scoring, and the blades were bent aft. The left and right wing assemblies were attached to the fuselage and crush damaged. The cockpit and empennage was crushed damaged. The vertical and horizontal flight surfaces and controls were crush damaged. From Advisory Circular 61-23C (Pilot's Handbook of Aeronautical Knowledge), revised 1997: Chapter 9 - Spatial Disorientation and Illusions in Flight Many different illusions can be experienced in flight. Some can lead to spatial disorientation. Others can lead to landing errors. Illusions rank among the most common factors cited as contributing to fatal aircraft accidents. Various complex motions and forces and certain visual scenes encountered in flight can create illusions of motion and position. Spatial disorientation from these illusions can be prevented only by visual reference to reliable, fixed points on the ground or to flight instruments. The most overwhelming of all illusions in flight may be prevented by not making sudden, extreme head movements, particularly while making prolonged constant-rate turns under instrument flight rule instrument conditions.
Probable Cause: The pilot experienced spatial disorientation, which resulted in a loss of control and the subsequent collision with the ground. Factors were low ceilings and fog.
Accident investigation:
 |
|
Sources:
NTSB: https://www.ntsb.gov/_layouts/ntsb.aviation/brief.aspx?ev_id=20041029X01725&key=1
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 28-Oct-2008 00:45 | ASN archive | Added |
| 21-Dec-2016 19:24 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 07-Dec-2017 18:28 | ASN Update Bot | Updated [Departure airport, Destination airport, Source, Narrative] |
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