SOCATA TB20 near Pavo, GA — 2009-08-27
- Date
- 2009-08-27
- Location
- Pavo, GA, USA
- Aircraft
- SOCATA TB20
- Registration
- N654GT
- Category
- Airplane
- Highest injury
- Fatal
- Fatalities
- 2
- Phase of flight
- Climb
Probable cause
The pilot’s continued visual flight into instrument meteorological conditions, with embedded intense thunderstorms, heavy rain, and severe to extreme turbulence, resulting in an in-flight separation of the left wing due to overstress.
NTSB narrative
The pilot left the departure airport on a visual flight rules flight. He did not file a flight plan. While over the accident site, the pilot entered into instrument meteorological conditions, with multiple layers of clouds, rain, and mist. Weather reporting locations near the accident site reported instrument flight rules conditions with thunderstorms and rain, ceiling overcast at 500 to 600 feet above ground level. The National Weather Service area forecast expected widely scattered to numerous rain showers and thunderstorms over the region at the time of the accident. Examination of the crash site indicated that the left wing separated from the airplane in an upward direction while in flight. Fractures in the wing spar were consistent with overstress separation. Examination of the aircraft and engine showed no evidence of precrash failure or malfunction prior to separation of the left wing.
Analysis
- Primary failure mode
- VFR into IMC
- First missed decision gate
- Pilot could have turned back to Montgomery before entering IMC conditions.
NTSB coding
Evidence available
- ADS-B / radar
- Photos
- 21 docket documents
Docket documents21
- Other Pertinent Forms and Reports - BEA Initial Notificationform
- Release of Aircraft Wreckage, NTSB Form 6120.15form
- Statement of Party Representatives to NTSB Investigationinterview
- NTSB Digital Photo, Prop damagephotos
- NTSB Digital Photo, Right Wingphotos
- NTSB Digital Photo, Tree Impactphotos
- NTSB Digital Photo, left wing as first observed.photos
- NTSB Digital Photo; Horizontal Stabilatorphotos
- Photo of wreckage pattern overlayed on Google Mapphotos
- Socata Digital Photo cockpitphotos
- Socata Digital Photo degrees of left spar bendphotos
- Socata Digital Photo of Empennagephotos
- Socata Digital Photo of left wing spar carry throughphotos
- Socata Digital Photo overall engine damagephotos
- Socata digital photo broken cranksaft flangephotos
- Maps or Charts of Accident Area, Radar Plot over groundradar
- Other Pertinent Forms and Reports, Radar Dataradar
- Other Pertinent Forms and Reports; Radar Plotradar
- Materials Laboratory Factual Report 09-065, Wing spar fracturereport
- Meteorology 5 - Factual Report of Group Chairmanreport
- Toxicological Reportreport
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