# NTSB investigations, 2009: Part(s) separation from AC

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 WPR10LA075](https://openairdocs.org/ntsb/WPR10LA075.md): Aerospatiale AS 355F1 · Temple Bar, AZ · Accident · No injuries · Limited investigation · Final report · Dec 6, 2009 · N548SA · Substantial damage
  > The pilot’s inadequate preflight inspection. Contributing to the accident was the pilot’s diverted attention during the preflight inspection.
- [NTSB CEN10FA044](https://openairdocs.org/ntsb/CEN10FA044.md): Beech A36 · Spring Branch, TX · Accident · 3 fatal · Field investigation · Final report · Nov 8, 2009 · N91TD · Substantial damage
  > The pilot's failure to maintain control of the airplane during cruise flight in instrument meteorological conditions. Contributing to this accident was the pilot’s lack of recent experience in flying in instrument meteorological conditions.
- [NTSB CEN10FA042](https://openairdocs.org/ntsb/CEN10FA042.md): Zenith Zodiac 601 XL · Agnos, AR · Accident · 1 fatal · Field investigation · Final report · Nov 6, 2009 · N538CJ · Destroyed
  > The in-flight separation of both wings due to aileron flutter. The aileron flutter was the result of inadequate wing stiffness and strength and the lack of aileron counterbalances.
- [NTSB CEN09CA584](https://openairdocs.org/ntsb/CEN09CA584.md): Yates W/Lazar M Safari Helicopter · Cedar Park, TX · Accident · Minor injuries · Data collection · Final report · Sep 13, 2009 · N555BB · Substantial damage
  > An in-flight separation of the tail rotor blades and the tail rotor gearbox for undetermined reasons.
- [NTSB WPR09CA434](https://openairdocs.org/ntsb/WPR09CA434.md): Cessna 195 · Camarillo, CA · Accident · No injuries · Data collection · Final report · Sep 5, 2009 · N1508D · Substantial damage
  > The pilot's failure to maintain directional control during the landing roll.
- [NTSB WPR09CA421](https://openairdocs.org/ntsb/WPR09CA421.md): Meyer Robert AIR CAM · Hamilton, MT · Accident · No injuries · Data collection · Final report · Aug 28, 2009 · N950TC · Substantial damage
  > The separation of the right main landing gear wheel due to the flight's encounter with soft terrain while landing on an unimproved river sandbar. Contributing to the accident was the pilot's decision to attempt a landing on an unimproved off-airport surface.
- [NTSB ANC09LA083](https://openairdocs.org/ntsb/ANC09LA083.md): Cessna 185 · McCarthy, AK · Accident · No injuries · Limited investigation · Final report · Aug 16, 2009 · N8209U · Substantial damage
  > The separation of the right main landing gear wheel from the airplane during landing for undetermined reasons, which resulted in an inability to control the airplane.
- [NTSB CEN09CA470](https://openairdocs.org/ntsb/CEN09CA470.md): Raytheon C90A · Bismarck, ND · Accident · No injuries · Data collection · Final report · Jul 23, 2009 · N405DD · Substantial damage
  > The cabin entry door inadvertently opening during initial climb.
- [NTSB WPR09LA340](https://openairdocs.org/ntsb/WPR09LA340.md): Bender Kitfox · Valencia, CA · Accident · No injuries · Limited investigation · Final report · Jul 7, 2009 · N926JB · Substantial damage
  > The failure and separation of a propeller blade for undetermined reasons.
- [NTSB ERA09LA370](https://openairdocs.org/ntsb/ERA09LA370.md): Michael J. Kohout Glassair III · Manassas, VA · Accident · Serious injuries · Limited investigation · Final report · Jun 26, 2009 · N2YT · Substantial damage
  > The pilot's failure to maintain aircraft control while attempting an emergency landing after takeoff. Contributing to the accident was the pilot's inadequate preflight inspection and distraction due to a separated fuel cap in flight.
- [NTSB CEN09LA384](https://openairdocs.org/ntsb/CEN09LA384.md): Stinson 108-3 · Llano, TX · Accident · No injuries · Limited investigation · Final report · Jun 24, 2009 · N6939M · Substantial damage
  > The pilot's inability to maintain aircraft control due to the failure of the left main landing gear wheel, which resulted in the separation of the wheel from the aircraft.
- [NTSB CEN09CA386](https://openairdocs.org/ntsb/CEN09CA386.md): Hubbell Prescott Pusher · Ashville, OH · Accident · No injuries · Data collection · Final report · Jun 24, 2009 · N19PP · Substantial damage
  > A partial loss of engine power due to propeller damage from being struck by the cabin-entry door, which inadvertently opened and departed the airframe for undetermined reasons during flight.
- [NTSB CEN09WA612](https://openairdocs.org/ntsb/CEN09WA612.md): Eurocopter AS350 · Barcelona, Spain · Accident · 2 fatal · Foreign investigation · Jun 22, 2009 · EC-IOJ · Destroyed
  > On June 22, 2009 a Eurocopter AS350B3, Spanish registration EC-IOJ was destroyed while filling the fire attack system with water during a fire extinguishing operation. The pilot and passenger both were killed. According to several witness statements, the…
- [NTSB ERA09CA336](https://openairdocs.org/ntsb/ERA09CA336.md): Taylorcraft BC12-D · Somerville, NJ · Accident · No injuries · Data collection · Final report · Jun 8, 2009 · N43766 · Substantial damage
  > The loss of directional control during the landing roll due to the separation of the tailwheel centering spring for an undetermined reason.
- [NTSB WPR09LA253](https://openairdocs.org/ntsb/WPR09LA253.md): Gauchat Safari · Rock Springs, AZ · Accident · 2 fatal · Limited investigation · Final report · May 22, 2009 · N147MD · Substantial damage
  > The separation of the main rotor head during cruise flight as a result of cyclic fatigue of the main rotor head spindle. The fatigue crack was due to an inadequate manufacturing process.
- [NTSB ERA09LA293](https://openairdocs.org/ntsb/ERA09LA293.md): Gossard Ronald F Kitfox IV · Camden, NC · Accident · Serious injuries · Limited investigation · Final report · May 17, 2009 · N92RG · Substantial damage
  > A loss of engine power due to an in-flight separation of the engine muffler exhaust pipe and resulting impingement of hot exhaust gases on the carburetor.
- [NTSB ANC09CA048](https://openairdocs.org/ntsb/ANC09CA048.md): Piper PA-32-301 · Birchwood, AK · Accident · No injuries · Data collection · Final report · May 16, 2009 · N8374T · Substantial damage
  > The failure of maintenance personnel to properly maintain the cargo door latch, resulting in an in-flight opening and separation of the cargo door, and substantial damage to the horizontal stabilator when it was struck by remnants of the cargo door.
- [NTSB WPR09FA234](https://openairdocs.org/ntsb/WPR09FA234.md): Upton Bakeng Duce · Ramona, CA · Accident · 2 fatal · Field investigation · Final report · May 9, 2009 · N86YP · Substantial damage
  > An in-flight separation of the right wing, which resulted from the pilot's performance of a maneuver that produced aerodynamic loads that exceeded the wing spar’s degraded strength. The wing spar strength degradation was due to the builder's failure to comply…
- [NTSB CEN09LA288](https://openairdocs.org/ntsb/CEN09LA288.md): Smysor Kevin Velocity · Katy, TX · Accident · 1 fatal · Limited investigation · Final report · May 9, 2009 · N45YV · Substantial damage
  > The pilot's loss of control following an in-flight failure of the propeller.
- [NTSB WPR09IA187](https://openairdocs.org/ntsb/WPR09IA187.md): Liberty Aerospace Liberty XL-2 · Camarillo, CA · Incident · No injuries · Incident investigation · Final report · Apr 5, 2009 · N519XL · Minor damage
  > The cruise flight separation of the canopy door. Contributing to the incident was the pilot's failure to ensure that the left side door was securely closed prior to takeoff.
- [NTSB CEN09CA218](https://openairdocs.org/ntsb/CEN09CA218.md): Bell 222 · Milliken, CO · Accident · No injuries · Data collection · Final report · Mar 13, 2009 · N222LL · Substantial damage
  > The separation of the left engine cowling for undetermined reasons.
- [NTSB CEN09LA197](https://openairdocs.org/ntsb/CEN09LA197.md): Neland Richard L Daytona SU · Guymon, OK · Accident · No injuries · Limited investigation · Final report · Feb 26, 2009 · N170DN · Substantial damage
  > Failure of the left main landing gear shock/strut during takeoff for undetermined reasons.
- [NTSB WPR09FA104](https://openairdocs.org/ntsb/WPR09FA104.md): Robinson Helicopter R22 Beta II · Fillmore, CA · Accident · 1 fatal · Field investigation · Final report · Jan 31, 2009 · N4160A · Substantial damage
  > An in-flight break-up while maneuvering as a result of the main rotor blades diverging from the normal plane of rotation and severing the tailboom. The underlying reason for the main rotor divergence could not be determined.
- [NTSB CEN09LA132](https://openairdocs.org/ntsb/CEN09LA132.md): Grumman American Avn. AA-5B · Milford, IN · Accident · No injuries · Limited investigation · Final report · Jan 5, 2009 · N28862 · Substantial damage
  > A loss of engine thrust due to the separation of a section of one of the propeller blades as a result of fatigue failure of the propeller because of corrosion. Contributing to the accident was the failure of the mechanic to detect and address the propeller…

## 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" = '338' 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/338/sequence?year=2009

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