ASN Wikibase Occurrence # 178135
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| Date: | Wednesday 29 July 2015 |
| Time: | 18:10 |
| Type: |  Socata TBM700 |
| Owner/operator: | Trustey Management Corporation |
| Registration: | N425KJ |
| MSN: | 518 |
| Year of manufacture: | 2009 |
| Total airframe hrs: | 656 hours |
| Engine model: | Pratt & Whitney Canada PT6A-66D |
| Fatalities: | Fatalities: 2 / Occupants: 2 |
| Aircraft damage: | Destroyed |
| Category: | Accident |
| Location: | Lawrence J Timmerman Airport, Milwaukee, WI -
 United States of America
|
| Phase: | Take off |
| Nature: | Private |
| Departure airport: | Beverly, MA (BVY) |
| Milwaukee, WI (MWC) | |
| Investigating agency: | NTSB |
| Confidence Rating: |  Accident investigation report completed and information captured |
The airline transport pilot was landing at the destination airport after a cross-country flight in visual meteorological conditions. The tower controller stated that the airplane's landing gear appeared to be extended during final approach and that the airplane landed within the runway's touchdown zone. The tower controller stated that, although the airplane made a normal landing, he heard a squealing noise that continued longer than what he believed was typical. The pilot subsequently transmitted "go-around." The tower controller acknowledged the go-around and cleared the pilot to enter a left traffic pattern. The tower controller stated that he heard the engine speed accelerate while the airplane maintained a level attitude over the runway until it passed midfield. He then saw the airplane pitch up and enter a climbing left turn. The tower controller stated that the airplane appeared to enter an aerodynamic stall before it descended into terrain in a left-wing-down attitude. Another witness reported that he saw the airplane, with its landing gear extended, in a steep left turn before it descended rapidly into terrain.
A postaccident examination did not reveal any evidence of flight control, landing gear, or engine malfunction. An examination of the runway revealed numerous propeller slash marks that began about 215 ft past the runway's touchdown zone; however, there was no evidence that any portion of the airframe had impacted the runway during the landing. Additionally, measurement of the landing gear actuators confirmed that all three landing gear were fully extended at the accident site. Therefore, the pilot likely did not adequately control the airplane's pitch during the landing, which allowed the propeller to contact the runway. Due to the propeller strikes, the propeller was likely damaged and unable to provide adequate thrust during the go-around. Further, based on the witness accounts, the pilot likely did not maintain adequate airspeed during the climbing left turn, which resulted in the airplane exceeding its critical angle of attack and experiencing an aerodynamic stall at a low altitude.
Probable Cause: The pilot's improper pitch control during the landing, which resulted in the propeller striking the runway, and his failure to maintain adequate airspeed during the subsequent go-around, which resulted in the airplane exceeding its critical angle of attack and experiencing an aerodynamic stall at a low altitude.
Accident investigation:
 |
|
Sources:
NTSB
Location
Revision history:
| Date/time | Contributor | Updates |
|---|---|---|
| 30-Jul-2015 01:33 | Geno | Added |
| 30-Jul-2015 01:41 | Geno | Updated [Aircraft type, Registration, Cn, Operator, Source] |
| 30-Jul-2015 05:12 | Geno | Updated [Time, Total fatalities, Total occupants, Source, Narrative] |
| 30-Jul-2015 06:23 | harro | Updated [Aircraft type] |
| 30-Jul-2015 17:14 | Teton | Updated [Embed code] |
| 10-Aug-2015 08:05 | Chieftain | Updated [Source] |
| 11-Aug-2015 14:21 | Aerossurance | Updated [Phase, Departure airport, Source, Narrative] |
| 31-Jul-2016 21:06 | Dr.John Smith | Updated [Time, Location, Source, Embed code] |
| 21-Dec-2016 19:30 | ASN Update Bot | Updated [Time, Damage, Category, Investigating agency] |
| 08-Aug-2017 17:01 | Aerossurance | Updated [Time, Location, Nature, Embed code, Narrative] |
| 18-Aug-2017 16:32 | ASN Update Bot | Updated [Time, Operator, Other fatalities, Departure airport, Destination airport, Source, Narrative] |
| 18-Aug-2017 17:26 | ASN Update Bot | Updated [Narrative] |
| 19-Aug-2017 16:49 | ASN Update Bot | Updated [Source, Narrative] |
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