ASN Wikibase Occurrence # 44630
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| Date: | Sunday 5 December 2004 |
| Time: | 12:28 |
| Type: |  Cessna 185F |
| Owner/operator: | Private |
| Registration: | N532PC |
| MSN: | 18502830 |
| Year of manufacture: | 1975 |
| Total airframe hrs: | 4194 hours |
| Engine model: | Continental IO-520D |
| Fatalities: | Fatalities: 1 / Occupants: 1 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Renton, WA -
 United States of America
|
| Phase: | Take off |
| Nature: | Private |
| Departure airport: | Renton, WA (KRNT) |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
After liftoff from a touch-and-go landing, the aircraft climbed to about 100 feet above the ground, whereupon the pilot transmitted that he had a problem. Although he did not specify what the problem was, the aircraft was seen entering what initially appeared to be a pilot-initiated left turn. Soon thereafter the aircraft's bank angle and pitch angle increased, and it subsequently descended into a commercial aircraft post-production parking ramp. Just prior to impact, the aircraft's bank angle had increased to more than 80 degrees, and it's nose was approximately 40 degrees below the horizon. Both a photo from a ramp security camera, and a post-accident inspection revealed that the flaps where in the full-down position at impact. Further investigation revealed that the flap latch inner pivot bushing and the rivet that retained it were missing. This resulted in the flap latch becoming detached from its pivot point within the handle, leaving no way for it to be disengaged from the flaps full-down notch in the flap ratchet plate, thus negating the possibility of flap retraction. It was also determined that the holes in the sides of the flap handle, wherein the inner pivot bushing rests, had both worn to an oblong shape. One of the holes, at the point of its greatest diameter, had worn to .337 inch oversize.
Probable Cause: The pilot's failure to maintain aircraft control when the flaps became jammed/stuck in their full-down position during a takeoff from a touch-and-go landing. Factors include a worn/disconnected flap latch mechanism, and the flaps being unable to be retracted.
Accident investigation:
 |
|
Sources:
NTSB: https://www.ntsb.gov/_layouts/ntsb.aviation/brief.aspx?ev_id=20041210X01966&key=1
History of this aircraft
Other occurrences involving this aircraft
| 13 July 1999 | N532PC | Private | 0 | Renton, WA | |
sub |
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 18:34 | ASN Update Bot | Updated [Destination airport, Source, Narrative] |
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