# NTSB investigations, 2009: Turbulence encounter

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 WPR10CA089](https://openairdocs.org/ntsb/WPR10CA089.md): Cessna 172M · Albion, ID · Accident · No injuries · Data collection · Final report · Dec 24, 2009 · N1883V · Substantial damage
  > The pilot's failure to maintain clearance from mountainous terrain while maneuvering in gusting winds.
- [NTSB DCA10FA012](https://openairdocs.org/ntsb/DCA10FA012.md): Boeing 777-200 · New Market, VA · Accident · Serious injuries · Field investigation · Final report · Nov 19, 2009 · N209UA · No damage
  > The flight crew’s inadvertent encounter with a small area of cumulous clouds at night that resulted in moderate to severe convectively induced turbulence.
- [NTSB ERA10CA036](https://openairdocs.org/ntsb/ERA10CA036.md): Boeing 767-432ER · Atlanta, GA · Accident · Serious injuries · Data collection · Final report · Oct 27, 2009 · N825MH · No damage
  > Unforecasted turbulence resulting in a flight attendant being injured.
- [NTSB ANC10FA004](https://openairdocs.org/ntsb/ANC10FA004.md): Cessna A185E · Healy, AK · Accident · 1 fatal · Field investigation · Final report · Oct 14, 2009 · N2764J · Substantial damage
  > The pilot's decision to maneuver at a low altitude over rising terrain in conditions conducive to turbulence/downdrafts, resulting in a loss of control and impact with terrain.
- [NTSB ERA10CA022](https://openairdocs.org/ntsb/ERA10CA022.md): Boeing 767-3P6 · Argentina · Accident · Serious injuries · Data collection · Final report · Oct 5, 2009 · N156DL · No damage
  > An inadvertent encounter with turbulence, which resulted in an injury to a flight cabin attendant.
- [NTSB ERA09LA488](https://openairdocs.org/ntsb/ERA09LA488.md): Boeing 717-200 · Inverness, FL · Accident · Serious injuries · Limited investigation · Final report · Aug 27, 2009 · N994AT · No damage
  > The flight crew's encounter with convective turbulence. Contributing to the accident was the failure of the operator's dispatch department to provide the flightcrew with current adverse weather information along the planned route of flight. Also contributing…
- [NTSB ERA09LA444](https://openairdocs.org/ntsb/ERA09LA444.md): Boeing Of Canada/Dehav Div DHC-8-311 · Fayetteville, NC · Accident · Serious injuries · Limited investigation · Final report · Aug 6, 2009 · N328EN · No damage
  > An in-flight encounter with convective clouds resulting in moderate turbulence and serious injury to a flight attendant.
- [NTSB DCA09CA069](https://openairdocs.org/ntsb/DCA09CA069.md): Bombardier CL-600-2B19 · Louisville, KY · Accident · Serious injuries · Data collection · Final report · Aug 4, 2009 · N8543F · Minor damage
  > an inadvertent encounter with convective turbulence.
- [NTSB DCA09IA071](https://openairdocs.org/ntsb/DCA09IA071.md): Boeing 767-224 · Bavaro, Dominican Republic · Incident · Minor injuries · Incident investigation · Final report · Aug 3, 2009 · N76156 · No damage
  > The flight crew's inadvertent flight through the top of a convective updraft that resulted in an encounter with convective induced turbulence. Contributing to the severity of the incident was the unrestrained status of several passengers, contrary to the…
- [NTSB WPR09LA386](https://openairdocs.org/ntsb/WPR09LA386.md): Airborne Windsports PTY XT-912-L · Lihue, HI · Accident · Serious injuries · Limited investigation · Final report · Aug 2, 2009 · N44VZ · Substantial damage
  > The flight instructor's failure to maintain control of the airplane following an in-flight encounter with turbulence during descent.
- [NTSB DCA09FA068](https://openairdocs.org/ntsb/DCA09FA068.md): Embraer EMB170 · Norfolk, VA · Accident · Serious injuries · Field investigation · Final report · Jul 27, 2009 · N135HQ · No damage
  > an inadvertent encounter with convective turbulence that resulted in serious injuries to a flight attendant.
- [NTSB CEN09LA461](https://openairdocs.org/ntsb/CEN09LA461.md): Embraer-Empresa Brasileira De ERJ 170-20 · Indianapolis, IN · Accident · Serious injuries · Limited investigation · Final report · Jul 11, 2009 · N120HQ · No damage
  > The passenger's failure to comply with crewmember instructions to remain seated while the airplane was in turbulent weather conditions, resulting in an injury to the passenger.
- [NTSB ERA09LA396](https://openairdocs.org/ntsb/ERA09LA396.md): Airbus A320-232 · Fort Myers, FL · Accident · Serious injuries · Limited investigation · Final report · Jul 10, 2009 · N606JB · No damage
  > An inadvertent in-flight encounter with turbulence during approach. Contributing to the accident was the passengers' failure to follow the instructions of the illuminated seatbelt sign.
- [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 ANC09CA111](https://openairdocs.org/ntsb/ANC09CA111.md): Piper PA-18-150 · Homer, AK · Accident · No injuries · Data collection · Final report · Jul 3, 2009 · N4299Z · Substantial damage
  > The pilot's excessive airspeed during approach to compensate for turbulence, resulting in a hard landing and runway overrun.
- [NTSB WPR09LA301](https://openairdocs.org/ntsb/WPR09LA301.md): Paul Antares · Petaluma, CA · Accident · Serious injuries · Limited investigation · Final report · Jun 20, 2009 · N729YF · Substantial damage
  > The pilot's failure to maintain aircraft control while landing in gusting winds.
- [NTSB DCA09CA051](https://openairdocs.org/ntsb/DCA09CA051.md): Boeing 767 332 · San Juan, PR · Accident · Serious injuries · Data collection · Final report · May 20, 2009 · N129DL · No damage
  > Inadvertent encounter with convective turbulence while in cruise.
- [NTSB ERA09LA418](https://openairdocs.org/ntsb/ERA09LA418.md): Boeing 757 · Cuba, Cuba · Accident · Serious injuries · Limited investigation · Final report · May 16, 2009 · N657DL · No damage
  > An unanticipated inflight encounter with turbulence.
- [NTSB CEN09LA256](https://openairdocs.org/ntsb/CEN09LA256.md): Boeing 737-724 · McAllen, TX · Accident · Serious injuries · Limited investigation · Final report · Apr 18, 2009 · N27722 · No damage
  > The injured passenger's failure to comply with the requirement to remain seated with a fastened seatbelt.
- [NTSB ERA09LA224](https://openairdocs.org/ntsb/ERA09LA224.md): Mcdonnell Douglas MD88 · Atlanta, GA · Accident · Serious injuries · Limited investigation · Final report · Mar 28, 2009 · N941DL · Minor damage
  > The flight attendant’s failure to properly restrain herself after taking her jumpseat.
- [NTSB DCA09WA029](https://openairdocs.org/ntsb/DCA09WA029.md): Boeing 747 · Tokyo, Japan · Accident · Serious injuries · Foreign investigation · Feb 20, 2009 · N676NW · No damage

## 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" = '360' 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/360/sequence?year=2009

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