ASN Wikibase Occurrence # 38974
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| Date: | Friday 20 June 1997 |
| Time: | 15:19 LT |
| Type: | Smith DSA-1 Miniplane |
| Owner/operator: | Charles S. Chambers |
| Registration: | N168RW |
| MSN: | R.W.1 |
| Engine model: | Lycoming IO-360-C1C6 |
| Fatalities: | Fatalities: 1 / Occupants: 1 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Bend, OR -
 United States of America
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Private |
| Departure airport: | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The pilot took off and circled the airport for several minutes, then entered a traffic pattern opposite the normal pattern direction for the runway. A witness in the runup area stated that while the accident aircraft was on final, he saw its propeller stopped. This witness stated that at that time, another aircraft was taking off in the opposite direction of the runway. The witness reported that he then observed the accident aircraft make a sharp turn away from the runway (at 50 to 100 feet above the ground), then abruptly enter a steep descent to ground impact 1/4 mile northeast of the runway. Only one of the aircraft's two wood/composite propeller blades was located; this blade had chordwise yellow scratches across its back surface. A yellow piece of the accident aircraft, with the appearance of an air scoop, was found 3/4 mile north-northwest the airport. The lip of this scoop was abraded 3/4 of the way around its circumference. No discrepancies indicative of engine malfunction were found in a post-accident engine teardown. The engine was rated for 200 horsepower, although the airframe was designed for 65- to 125-horsepower engines.
Probable Cause: An inflight propeller blade separation, and a subsequent evasive turn to avoid traffic by the pilot at an inadequate airspeed resulting in an accelerated stall. Factors were excessive power output of the installed engine, an aircraft taking off in the opposite direction of the landing runway, and the aircraft's low altitude at the time of the stall.
Accident investigation:
 |
|
Sources:
NTSB SEA97LA147
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 24-Oct-2008 10:30 | ASN archive | Added |
| 21-Dec-2016 19:23 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 08-Apr-2024 14:45 | ASN Update Bot | Updated [Time, Operator, Other fatalities, Destination airport, Source, Narrative, Category, Accident report] |
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