ASN Wikibase Occurrence # 30350
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| Date: | Thursday 18 November 1999 |
| Time: | 17:40 LT |
| Type: |  Beechcraft B55 Baron |
| Owner/operator: | Richard Keith |
| Registration: | N550RT |
| MSN: | TC-2101 |
| Engine model: | Continental IO-470-L |
| Fatalities: | Fatalities: 0 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Petaluma Airport, Sonoma County, CA -
 United States of America
|
| Phase: | Landing |
| Nature: | Private |
| Departure airport: | Santa Rosa, CA (KSTS) |
| (O69) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The pilot was attempting a short field landing and allowed the airspeed to dissipate too soon. The airplane entered a stall/mush condition and landed hard. The force of the landing bent the engine mounts and broke the wings. The pilot reported that he had not experienced any mechanical problems with the aircraft. The airplane was equipped with vortex generators on the wings and vertical stabilizer, which, according to the STC developer, reduces the stall, approach and Vmca airspeeds by at least 10 knots. The various reference speed reductions were never approved for inclusion as a supplement to the Pilot's Operating Handbook (POH). The STC developer said that pilots were supposed to use the original speeds and limitations in the POH. The pilot said he was using an approach speed derived from a sales brochure from the STC maker. The pilot stated that the accident could have been prevented by maintaining 'greater speed.'
Probable Cause: The failure of the pilot to maintain adequate airspeed which resulted in a stall/mush condition and subsequent hard landing.
Accident investigation:
 |
|
Sources:
NTSB LAX00LA036
FAA register: FAA register: 1. http://registry.faa.gov/aircraftinquiry/NNum_Results.aspx?nNumberTxt=550RT
History of this aircraft
Other occurrences involving this aircraft
| 14 August 1987 | N20904 | Private | 0 | Truckee, CA | |
sub |
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 27-Sep-2008 01:00 | ASN archive | Added |
| 01-Jun-2014 01:37 | Dr. John Smith | Updated [Time, Operator, Total fatalities, Total occupants, Other fatalities, Location, Country, Phase, Nature, Departure airport, Destination airport, Source, Damage, Narrative] |
| 01-Jun-2014 01:38 | Dr. John Smith | Updated [Narrative] |
| 14-Dec-2017 11:38 | ASN Update Bot | Updated [Time, Operator, Departure airport, Destination airport, Source, Damage, Narrative] |
| 08-Jun-2023 04:09 | Ron Averes | Updated [[Time, Operator, Departure airport, Destination airport, Source, Damage, Narrative]] |
| 07-Apr-2024 16:57 | ASN Update Bot | Updated [Time, Operator, Other fatalities, Departure airport, Destination airport, Source, Narrative, Category, Accident report] |
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