ASN Wikibase Occurrence # 145411
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| Date: | Thursday 3 May 2012 |
| Time: | 15:15 |
| Type: |  Beechcraft S35 Bonanza |
| Owner/operator: | Private |
| Registration: | N176Q |
| MSN: | D-7427 |
| Year of manufacture: | 1964 |
| Total airframe hrs: | 4067 hours |
| Engine model: | Continental IO-520-BB-(6) |
| Fatalities: | Fatalities: 2 / Occupants: 2 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Crystal Lake, near Lake In The Hills Airport - 3CK, IL -
 United States of America
|
| Phase: | Manoeuvring (airshow, firefighting, ag.ops.) |
| Nature: | Training |
| Departure airport: | Lake in the Hills, IL |
| Lake in the Hills, IL | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The commercial pilot and a flight instructor were in the traffic pattern conducting touch-and-go takeoffs and landings on runway 26. A witness reported seeing the airplane in a steep bank as it turned from the base leg of the traffic pattern to the final approach leg. The ground scars and damage to the airplane were consistent with an aerodynamic stall/spin at the time of impact. The wind at the time of the accident was reported from 220 degrees between 11 and 22 knots. The wind encountered on the left base turn to final could result in overshooting the final approach path. Most likely, the pilot was attempting to compensate for overshooting the final approach path and increased the bank angle to bring the airplane back on course. No preaccident mechanical malfunctions or failures were found that would have precluded normal operation. Investigators were unable to determine who was flying the airplane at the time of the accident; however, the commercial pilot did not hold a current medical certificate and thus was ineligible to have been acting as pilot-in-command.
Probable Cause: The pilot's excessive bank angle while on approach to land, which resulted in an inadvertent aerodynamic stall and spin.
Accident investigation:
 |
|
Sources:
NTSB
Location
Media:
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 03-May-2012 19:29 | RobertMB | Added |
| 04-May-2012 08:29 | vvvww | Updated [Operator, Phase, Source, Embed code, Narrative] |
| 04-May-2012 10:26 | RobertMB | Updated [Operator, Phase, Source, Embed code, Narrative] |
| 04-May-2012 11:36 | vvvww | Updated [Time, Phase, Embed code, Narrative] |
| 04-May-2012 14:55 | RobertMB | Updated [Embed code, Narrative] |
| 08-May-2012 09:28 | Geno | Updated [Time, Aircraft type, Phase, Nature, Source, Embed code, Narrative] |
| 16-Aug-2012 00:40 | Anon. | Updated [Embed code, Narrative] |
| 26-Sep-2012 07:56 | Anon. | Updated [Aircraft type, Source, Embed code, Narrative] |
| 21-Dec-2016 19:28 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 27-Nov-2017 20:39 | ASN Update Bot | Updated [Other fatalities, Departure airport, Destination airport, Source, Narrative] |
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