# NTSB investigations, 2011: Abrupt maneuver

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 ERA12FA130](https://openairdocs.org/ntsb/ERA12FA130.md): Piper PA-25-235 · Jacksonville, FL · Accident · 1 fatal · Field investigation · Final report · Dec 31, 2011 · N7408Z · Substantial damage
  > The pilot's in-flight loss of control during climb after a banner pickup. Contributing to the accident was the pilot's impairment due to marijuana.
- [NTSB ERA12FA123](https://openairdocs.org/ntsb/ERA12FA123.md): Aero Commander 560-F · Venice, FL · Accident · 1 fatal · Field investigation · Final report · Dec 26, 2011 · N560WM · Substantial damage
  > The pilot’s failure to maintain adequate airspeed during a single-engine approach, which resulted in an aerodynamic stall. Contributing to the accident was the total loss of power in the left engine due to a failed No. 2 connecting rod bearing.
- [NTSB CEN12CA104](https://openairdocs.org/ntsb/CEN12CA104.md): Cessna 421B · Pampa, TX · Accident · No injuries · Data collection · Final report · Dec 9, 2011 · N421CE · Substantial damage
  > The pilot's inadequate aircraft control during landing, which resulted in a hard landing.
- [NTSB CEN12LA102](https://openairdocs.org/ntsb/CEN12LA102.md): Shook Rans S-12 · Festus, MO · Accident · No injuries · Limited investigation · Final report · Dec 8, 2011 · N7138K · Substantial damage
  > The certified flight instructor’s delayed remedial action as the airplane neared an aerodynamic stall/spin. Contributing to the accident was that the student pilot did not maintain adequate airspeed during the go-around attempt.
- [NTSB CEN12FA088](https://openairdocs.org/ntsb/CEN12FA088.md): Piper PA-31 · New Orleans, LA · Accident · 1 fatal · Field investigation · Final report · Nov 30, 2011 · N6485L · Minor damage
  > The pilot's fatal cardiac event, which resulted in the inflight loss of control of the airplane. Contributing to the accident was the pilot's use of impairing medications and operation of the airplane with disqualifying medical conditions.
- [NTSB ERA12FA062](https://openairdocs.org/ntsb/ERA12FA062.md): Beech D-45 · Williston, FL · Accident · 2 fatal · Field investigation · Final report · Nov 5, 2011 · N34KT · Substantial damage
  > The flight instructor's failure to maintain airspeed in changing wind conditions during a steep climb after takeoff, which resulted in an aerodynamic stall. Contributing to the accident was the flight instructor’s ostentatious display close to the ground.
- [NTSB WPR11FA450](https://openairdocs.org/ntsb/WPR11FA450.md): Cone James A RV-6A · West Jordan, UT · Accident · 1 fatal · Field investigation · Final report · Sep 15, 2011 · N641JC · Substantial damage
  > The pilot’s execution of an abrupt maneuver, likely to avoid birds, which resulted in a stall and spin.
- [NTSB ANC11FA091](https://openairdocs.org/ntsb/ANC11FA091.md): Cessna 208B · Nightmute, AK · Accident · 1 fatal · Field investigation · Final report · Sep 2, 2011 · N207DR · 2 aircraft · Destroyed
  > The failure of the pilot of the other airplane to maintain adequate clearance while performing an unexpected and unannounced abrupt maneuver, resulting in a midair collision between the two airplanes.
- [NTSB WPR11FA392](https://openairdocs.org/ntsb/WPR11FA392.md): Briegleb BG-12B · Moore, ID · Accident · 1 fatal · Field investigation · Final report · Aug 18, 2011 · N559Y · Substantial damage
  > The pilot’s decision to perform a low pass over the runway in the opposite direction of his intended landing, and his subsequent failure to maintain airspeed and glider control during the reverse-course maneuver. Contributing to the accident was the effect of…
- [NTSB ERA11LA438](https://openairdocs.org/ntsb/ERA11LA438.md): Piper PA-30 · St. Petersburg, FL · Accident · Serious injuries · Limited investigation · Final report · Aug 3, 2011 · N8314Y · Substantial damage
  > The pilot's improper rotation during takeoff, resulting in a stall and subsequent collision with the ground.
- [NTSB WPR11FA344](https://openairdocs.org/ntsb/WPR11FA344.md): American AA-1A · Corona, CA · Accident · 2 fatal · Field investigation · Final report · Jul 23, 2011 · N34299 · Substantial damage
  > An aggressive flight maneuver performed by the pilot during low altitude flight, which resulted in an aerodynamic stall.
- [NTSB CEN11CA583](https://openairdocs.org/ntsb/CEN11CA583.md): Mooney M20K · Cresson, TX · Accident · No injuries · Data collection · Final report · Jul 23, 2011 · N1149D · Substantial damage
  > The pilot’s inadequate recovery from a bounced landing and subsequent failure to maintain directional control of the airplane.
- [NTSB WPR11CA338](https://openairdocs.org/ntsb/WPR11CA338.md): Rolladen Schneider OHG LS-3-17 · Adelanto, CA · Accident · Serious injuries · Data collection · Final report · Jul 16, 2011 · N84AM · Substantial damage
  > The pilot's incorrect use of the flap control pitch control recovery which resulted in an aerodynamic stall.
- [NTSB WPR11LA317](https://openairdocs.org/ntsb/WPR11LA317.md): Schweizer SGS 2-32 · Bigfork, MT · Accident · 1 fatal · Limited investigation · Final report · Jul 8, 2011 · N591CC · Substantial damage
  > The pilot’s failure to maintain adequate airspeed and his excessive control inputs during a simulated rope break while taking off, which resulted in an accelerated aerodynamic stall.
- [NTSB CEN11FA443](https://openairdocs.org/ntsb/CEN11FA443.md): Koen Lancair Laser IV-P · Port O'Connor, TX · Accident · 2 fatal · Field investigation · Final report · Jul 3, 2011 · N11001 · Substantial damage
  > The pilot’s loss of airplane control for reasons that could not be determined from the available information.
- [NTSB CEN11FA434](https://openairdocs.org/ntsb/CEN11FA434.md): Schaffer Gary W Lancair · Yukon, OK · Accident · 1 fatal · Field investigation · Final report · Jun 30, 2011 · N358MA · Substantial damage
  > The pilot's use of an excessive bank angle while in the airport traffic pattern, which resulted in an accelerated stall. Contributing to the accident were the pilot’s lack of experience in the airplane and the pilot’s distracted attention to the rough running…
- [NTSB CEN11FA431](https://openairdocs.org/ntsb/CEN11FA431.md): Bosonetto Thorp T-18 · Howell, MI · Accident · 2 fatal · Field investigation · Final report · Jun 29, 2011 · N8AL · Substantial damage
  > The pilot's failure to maintain airplane control and airspeed during final approach, which resulted in an aerodynamic stall/spin at a low altitude.
- [NTSB ANC11CA052](https://openairdocs.org/ntsb/ANC11CA052.md): Cessna 182H · Soldotna, AK · Accident · No injuries · Data collection · Final report · Jun 20, 2011 · N331AA · Substantial damage
  > The pilot's failure to maintain pitch control resulting in an aerodynamic stall.
- [NTSB WPR11FA225](https://openairdocs.org/ntsb/WPR11FA225.md): P&M Pegasus Quik 912S · Hanalei, HI · Accident · 2 fatal · Field investigation · Final report · May 17, 2011 · N705PM · Substantial damage
  > The pilot's continued operation of the aircraft with deteriorated wing fabric and his aggressive maneuvering at low altitude, which resulted in the right wing fabric’s failure during flight. Contributing to the accident was the pilot's loading of the aircraft…
- [NTSB CEN11CA344](https://openairdocs.org/ntsb/CEN11CA344.md): Cessna 152 · Carbondale, IL · Accident · No injuries · Data collection · Final report · May 17, 2011 · N6238P · Substantial damage
  > The student pilot's relinquishing of the flight controls during the landing flare and the flight instructor's delay in taking remedial action.
- [NTSB WPR11LA216](https://openairdocs.org/ntsb/WPR11LA216.md): Dralle RV-8 · Livermore, CA · Accident · No injuries · Limited investigation · Final report · May 1, 2011 · N998RV · Substantial damage
  > The pilot's decision to exit the runway while still traveling at an excessive speed and his subsequent loss of directional control.
- [NTSB CEN11FA304](https://openairdocs.org/ntsb/CEN11FA304.md): Cubcrafters CC11-160 · Parker, CO · Accident · 2 fatal · Field investigation · Final report · Apr 23, 2011 · N143FJ · Substantial damage
  > The pilot’s excessive and unsafe maneuvering during gusty wind conditions, which resulted in an inadvertent stall-spin.
- [NTSB ERA11LA240](https://openairdocs.org/ntsb/ERA11LA240.md): Piper PA-31-350 · Richmond, VA · Accident · Serious injuries · Limited investigation · Final report · Apr 12, 2011 · N3547C · Substantial damage
  > The pilot’s failure to maintain adequate airspeed during the initial climb, which resulted in an aerodynamic stall and subsequent impact with the ground.
- [NTSB ERA11LA234](https://openairdocs.org/ntsb/ERA11LA234.md): Let L 33 Solo · New Castle, VA · Accident · 1 fatal · Limited investigation · Final report · Apr 10, 2011 · N286BA · Substantial damage
  > Pilot incapacitation shortly after takeoff for unknown reasons.
- [NTSB CEN11CA289](https://openairdocs.org/ntsb/CEN11CA289.md): Rans S12 · Fort Collins, CO · Accident · Minor injuries · Data collection · Final report · Apr 9, 2011 · N3581S · Substantial damage
  > The pilot's inadvertent application of full right rudder during landing, which resulted in an aerodynamic stall and impact with terrain.
- [NTSB ERA11FA210](https://openairdocs.org/ntsb/ERA11FA210.md): Piper PA-20 · Elgin, SC · Accident · 1 fatal · Field investigation · Final report · Mar 25, 2011 · N7746K · Substantial damage
  > A total loss of engine power due to fuel exhaustion resulting from the pilot’s inadequate preflight planning. Contributing to the accident was that the pilot did not maintain an adequate airspeed, which resulted in an aerodynamic stall.
- [NTSB ERA11FA185](https://openairdocs.org/ntsb/ERA11FA185.md): Cessna 310R · Smyrna, TN · Accident · 1 fatal · Field investigation · Final report · Mar 11, 2011 · N310JR · Substantial damage
  > The pilot's improper response to a known autopilot pitch divergence anomaly. Contributing to the accident was the pilot's decision to perform a test flight on a system for which he lacked a complete working knowledge.
- [NTSB WPR11FA138](https://openairdocs.org/ntsb/WPR11FA138.md): AirBorne WindSport Edge XT-912-L · Hanapepe, HI · Accident · 2 fatal · Field investigation · Final report · Feb 15, 2011 · N29EP · Substantial damage
  > The flight instructor did not maintain aircraft control while maneuvering at low altitude. Contributing to the accident was the inadvertent application of the choke, which resulted in a momentary interruption of engine power.
- [NTSB ERA11LA135](https://openairdocs.org/ntsb/ERA11LA135.md): Belcher William B II Firestar · West Blocton, AL · Accident · Serious injuries · Limited investigation · Final report · Feb 6, 2011 · N43341 · Substantial damage
  > The student pilot's failure to maintain adequate airspeed while maneuvering, which resulted in an aerodynamic stall.
- [NTSB CEN11LA169](https://openairdocs.org/ntsb/CEN11LA169.md): Cessna 172P · Chesapeake, OH · Accident · Minor injuries · Limited investigation · Final report · Jan 30, 2011 · N55212 · Substantial damage
  > The partial loss of engine power due to carburetor icing and the pilot’s delayed use of carburetor heat and failure to attain the proper touchdown point on the runway during the precautionary landing.
- [NTSB OPS11IA246](https://openairdocs.org/ntsb/OPS11IA246.md): Boeing 777 · 80 SE of JFK (Atlantic Ocean), NY · Incident · No injuries · Incident investigation · Final report · Jan 21, 2011 · N766AN · No damage
  > Incomplete and incorrect coordination between air traffic controllers that resulted in the 777 and the two C17s being cleared to maintain the same altitude. Contributing to the incident was the controllers’ non-adherence to established communications…
- [NTSB DCA11WA026](https://openairdocs.org/ntsb/DCA11WA026.md): Boeing 767 · Atlantic Ocean, Canada · Accident · Serious injuries · Foreign investigation · Jan 14, 2011 · C-GHLQ · 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") = 2011
  AND c."mKey" IN (SELECT s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s."tier2Number" = '270' 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/270/sequence?year=2011

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