ASN Wikibase Occurrence # 142426
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| Date: | Friday 10 February 2012 |
| Time: | 08:29 |
| Type: |  Socata TBM700N (TBM850) |
| Owner/operator: | Private |
| Registration: | N850LM |
| MSN: | 538 |
| Year of manufacture: | 2010 |
| Total airframe hrs: | 423 hours |
| Engine model: | P&W PT6A66D |
| Fatalities: | Fatalities: 0 / Occupants: 3 |
| Aircraft damage: | Substantial |
| Category: | Accident |
| Location: | Madison-Dane County Regional Airport, WI (MSN/KMSN) -
 United States of America
|
| Phase: | Take off |
| Nature: | Private |
| Departure airport: | Madison-Dane County Regional Airport, WI (MSN/KMSN) |
| Fort Myers Airport, FL (FMY) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The pilot reported that moderate rime ice had accumulated on the airplane during the inbound flight to the fixed-base operator (FBO). FBO employees reported seeing 1 1/2- to 2-inch thick ice on the wings’ unprotected surfaces, the left wing’s radome, and the propeller spinner and around the stall indicator when the airplane arrived. The pilot removed some of the ice with his hand and declined an offer to have the airplane deiced or put it in a heated hangar. Subsequently, the airplane was parked outside at the FBO for about 1 hour, during which time it was snowing and sleeting. Witnesses reported that they did not see the pilot check the tail surfaces for ice and that, when the airplane taxied for takeoff, they saw ice on portions of the airplane, including the radome, and snow on the wings’ surfaces. The pilot reported that, during takeoff, the left wing dropped and was not generating lift, likely due to the ice on the airplane’s surface. The airplane veered left, impacted terrain, and then caught on fire before coming to rest. A postaccident examination of the airplane did not reveal any failure that would have resulted in the loss of control.
Probable Cause: The pilot’s failure to ensure that ice and snow were removed from the airplane’s surfaces during the preflight inspection, which resulted in an inadvertent aerodynamic stall after takeoff and loss of control of the airplane.
Accident investigation:
 |
|
Sources:
NTSB
https://flightaware.com/live/flight/N850LM
Location
Media:
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 10-Feb-2012 11:17 | gerard57 | Added |
| 10-Feb-2012 11:17 | Anon. | Updated [Aircraft type] |
| 10-Feb-2012 11:20 | harro | Updated [Location, Departure airport, Embed code, Narrative] |
| 10-Feb-2012 13:45 | Geno | Updated [Registration, Cn, Operator, Source, Embed code, Narrative] |
| 11-Feb-2012 01:12 | RobertMB | Updated [Time, Aircraft type, Location, Destination airport, Source, Embed code, Narrative] |
| 13-Feb-2012 09:56 | Geno | Updated [Source, Embed code] |
| 15-Feb-2012 15:24 | Geno | Updated [Source, Embed code] |
| 17-Feb-2012 19:51 | Dr. John Smith | Updated [Source, Embed code, Narrative] |
| 06-Mar-2012 11:27 | Anon. | Updated [Source, Embed code] |
| 11-Mar-2014 21:47 | wf | Updated [Damage, Narrative] |
| 20-Jan-2016 13:34 | Anon. | Updated [Damage] |
| 31-Jul-2016 00:10 | Dr.John Smith | Updated [Destination airport, Source, Narrative] |
| 21-Dec-2016 19:26 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 27-Nov-2017 20:18 | ASN Update Bot | Updated [Operator, Other fatalities, Departure airport, Destination airport, Source, Embed code, Narrative] |
| 01-Feb-2022 16:45 | Captain Adam | Updated [Other fatalities, Location, Departure airport, Destination airport, Source, Narrative] |
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