# NTSB investigations, 2009: Windshear or thunderstorm

NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports.

## Latest cases

- [NTSB CEN10FA028](https://openairdocs.org/ntsb/CEN10FA028.md): Beech B100 · Benavides, TX · Accident · 4 fatal · Field investigation · Final report · Oct 26, 2009 · N729MS · Destroyed
  > The pilot's failure to avoid severe weather, and the air traffic controller's failure to provide adverse weather avoidance assistance, as required by Federal Aviation Administration directives, both of which led to the airplane's encounter with a severe…
- [NTSB ERA09FA487](https://openairdocs.org/ntsb/ERA09FA487.md): Socata TB20 · Pavo, GA · Accident · 2 fatal · Field investigation · Final report · Aug 27, 2009 · N654GT · Substantial damage
  > 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 CEN09CA484](https://openairdocs.org/ntsb/CEN09CA484.md): Piper PA22 · Terrell, TX · Accident · Minor injuries · Data collection · Final report · Aug 1, 2009 · N8602C · Substantial damage
  > The pilot's improper decision to continue the approach and landing during thunderstorm activity, resulting in the loss of aircraft control.
- [NTSB CEN09CA465](https://openairdocs.org/ntsb/CEN09CA465.md): Piper PA32R · Colorado Springs, CO · Accident · No injuries · Data collection · Final report · Jul 23, 2009 · N301RT · Substantial damage
  > The pilot's low altitude encounter with windshear during takeoff.
- [NTSB ERA09LA392](https://openairdocs.org/ntsb/ERA09LA392.md): Noles Vance L Vans RV7A · Sanderson, FL · Accident · 1 fatal · Limited investigation · Final report · Jul 8, 2009 · N774US · Substantial damage
  > The pilot's continued visual flight into instrument meteorological conditions with convective activity and thunderstorms. Contributing to the accident was his failure to get an adequate weather briefing.
- [NTSB ERA09FA389](https://openairdocs.org/ntsb/ERA09FA389.md): Cessna 421C · Gulf of Mexico · Accident · 5 fatal · Field investigation · Final report · Jul 8, 2009 · N4467D · Destroyed
  > The pilot’s decision to operate into a known area of adverse weather, which resulted in the inadvertent penetration of a severe thunderstorm, a subsequent loss of control, and in-flight breakup of the airplane.
- [NTSB ANC09CA061](https://openairdocs.org/ntsb/ANC09CA061.md): Airborne Edge 582 T · Fairbanks, AK · Accident · No injuries · Data collection · Final report · Jul 5, 2009 · N35240 · Substantial damage
  > The pilot's failure to maintain control of the airplane while on approach to land, resulting in an in-flight collision with terrain. Contributing to the accident was the pilot's lack of experience.
- [NTSB CEN09FA369](https://openairdocs.org/ntsb/CEN09FA369.md): Cessna R182 · Dougherty, TX · Accident · 2 fatal · Field investigation · Final report · Jun 19, 2009 · N182GT · Destroyed
  > The pilot’s improper decision to continue flight into known adverse weather conditions resulting in his inability to maintain aircraft control after penetrating the thunderstorm gust front. Contributing to the accident was the pilot’s lack of preflight…
- [NTSB CEN09CA361](https://openairdocs.org/ntsb/CEN09CA361.md): Air Tractor AT-402A · Trumann, AR · Accident · No injuries · Data collection · Final report · Jun 12, 2009 · N50956 · Substantial damage
  > The pilot's failure to maintain aircraft control in flight. Contributing to the accident was his decision to fly with known hazardous weather conditions in the vicinity.
- [NTSB ERA09CA313](https://openairdocs.org/ntsb/ERA09CA313.md): Pensinger Zodiac 601 · Greeneville, TN · Accident · Minor injuries · Data collection · Final report · May 31, 2009 · N250JP · Substantial damage
  > An encounter with wind shear on initial climb after takeoff.
- [NTSB ERA09CA274](https://openairdocs.org/ntsb/ERA09CA274.md): Cessna 150K · Waycross, GA · Accident · No injuries · Data collection · Final report · Apr 27, 2009 · N6213G · Substantial damage
  > The student pilot's failure to maintain aircraft control during approach in gusty conditions. Contributing to the accident was the student pilot's misunderstanding of the airspeed indicator.
- [NTSB CEN09CA269](https://openairdocs.org/ntsb/CEN09CA269.md): Let L-23 Super Blanik · Adrian, MI · Accident · No injuries · Data collection · Final report · Apr 26, 2009 · N238SB · Substantial damage
  > The flight instructor's inadequate compensation for the strong, gusting crosswind during landing. Contributing to the accident was the flight instructor's decision to attempt flight with known adverse weather approaching the airport.
- [NTSB WPR09CA193](https://openairdocs.org/ntsb/WPR09CA193.md): Piper PA-28-140 · Dubois, WY · Accident · Minor injuries · Data collection · Final report · Apr 13, 2009 · N945RH · Substantial damage
  > The pilot's encounter with a windshear/downdraft that exceeded the climb performance capabilities of the airplane.

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
SELECT c."ntsbNumber", c."eventDate", c."eventType", c."eventCity", c."eventStateOrRegion", a.n_number, a."aircraftMake", a."aircraftModel", c."highestInjuryLevel", c."totalFatal", c."completionStatus", c.report_url
FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c."mKey" AND a.position = 1
WHERE year(c."eventDate") = 2009
  AND c."mKey" IN (SELECT s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s."tier2Number" = '390' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE "isDefiningEvent"))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/390/sequence?year=2009

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OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
