# NTSB investigations, 2011, CA

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.

Page 1 of 3 · 141 cases

## Latest cases

- [NTSB WPR12CA072](https://openairdocs.org/ntsb/WPR12CA072.md): Schweizer SGS 1-26B · Murrieta, CA · Accident · No injuries · Data collection · Final report · Dec 28, 2011 · N8641R · Substantial damage
  > The glider's encounter with insufficient atmospheric lift to maintain soaring flight.
- [NTSB WPR12LA070](https://openairdocs.org/ntsb/WPR12LA070.md): Ryan Navion · Concord, CA · Accident · Serious injuries · Limited investigation · Final report · Dec 27, 2011 · N4398K · Substantial damage
  > The pilot's inadequate preflight inspection of the airplane and the subsequent total loss of engine power as a result of debris and water contamination in the fuel system.
- [NTSB WPR12FA062](https://openairdocs.org/ntsb/WPR12FA062.md): Crosley Vans RV-8 · Armistead, CA · Accident · 1 fatal · Field investigation · Final report · Dec 10, 2011 · N948RC · Substantial damage
  > The pilot’s failure to maintain clearance from terrain while performing low altitude aerobatic maneuvers.
- [NTSB WPR12CA061](https://openairdocs.org/ntsb/WPR12CA061.md): Grumman AA5 · Furnace Creek, CA · Accident · No injuries · Data collection · Final report · Dec 10, 2011 · N28870 · Substantial damage
  > The pilot's improper landing flare, inadequate recovery from a bounced landing, and loss of directional control.
- [NTSB WPR12LA055](https://openairdocs.org/ntsb/WPR12LA055.md): Piper PA-38-112 · Davis, CA · Accident · No injuries · Limited investigation · Final report · Dec 7, 2011 · N2466D · Substantial damage
  > The pilot's inadequate fuel management, which resulted in a loss of engine power due to fuel starvation.
- [NTSB WPR12LA053](https://openairdocs.org/ntsb/WPR12LA053.md): Boeing 737-7H4 · Oakland, CA · Accident · Serious injuries · Limited investigation · Final report · Dec 2, 2011 · N261WN · No damage
  > The flight crew’s flight into known severe turbulence associated with mountain wave activity.
- [NTSB WPR12LA052](https://openairdocs.org/ntsb/WPR12LA052.md): Beech 76 · San Carlos, CA · Accident · No injuries · Limited investigation · Final report · Dec 2, 2011 · N23852 · Substantial damage
  > The collapse of the right main landing gear during the turn off the runway due to the failure of the A-frame assembly.
- [NTSB WPR12LA057](https://openairdocs.org/ntsb/WPR12LA057.md): Boeing 757-222 · Modesto, CA · Accident · Serious injuries · Limited investigation · Final report · Dec 1, 2011 · N547UA · No damage
  > The flight's encounter with known severe turbulence associated with mountain wave activity, which resulted in a flight attendant sustaining a broken ankle.
- [NTSB WPR12CA049](https://openairdocs.org/ntsb/WPR12CA049.md): Cessna 172K · Napa, CA · Accident · No injuries · Data collection · Final report · Nov 28, 2011 · N7952A · Substantial damage
  > The student pilot's improper landing flare, inadequate recovery from a bounced landing, and loss of directional control.
- [NTSB WPR12FA044](https://openairdocs.org/ntsb/WPR12FA044.md): Mooney M20M · Pomona, CA · Accident · 1 fatal · Field investigation · Final report · Nov 18, 2011 · N741SB · Substantial damage
  > The pilot’s failure to maintain sufficient altitude to clear obstructions while maneuvering on the base leg of the traffic pattern for landing.
- [NTSB WPR12CA043](https://openairdocs.org/ntsb/WPR12CA043.md): American Champion 7GCAA · Baker, CA · Accident · No injuries · Data collection · Final report · Nov 15, 2011 · N497AC · Substantial damage
  > The pilot's delayed decision to perform an aborted landing.
- [NTSB WPR12CA035](https://openairdocs.org/ntsb/WPR12CA035.md): Cameron Balloons A-315 · Vacaville, CA · Accident · Serious injuries · Data collection · Final report · Nov 13, 2011 · N65400 · No damage
  > The balloon’s encounter with increased wind, which resulted in a hard landing and passenger injury.
- [NTSB WPR12LA032](https://openairdocs.org/ntsb/WPR12LA032.md): Air Tractor AT-602 · Williams, CA · Accident · No injuries · Limited investigation · Final report · Nov 8, 2011 · N325BR · Substantial damage
  > A total loss of engine power during takeoff initial climb for reasons that could not be determined because postaccident examination did not reveal any anomalies that would have precluded normal operation.
- [NTSB WPR12LA029](https://openairdocs.org/ntsb/WPR12LA029.md): Bell 47D1 · San Diego, CA · Accident · No injuries · Limited investigation · Final report · Nov 8, 2011 · N4251A · Substantial damage
  > The flight instructor's inadequate supervision of the student pilot during a simulated autorotation and the pilots’ failure to use carburetor heat while operating at reduced engine power while in carburetor icing conditions, which resulted in a loss of engine…
- [NTSB WPR12LA027](https://openairdocs.org/ntsb/WPR12LA027.md): Beech A36 · Yucca Valley, CA · Accident · No injuries · Limited investigation · Final report · Nov 6, 2011 · N64Z · Substantial damage
  > A loss of engine power for reasons that could not be determined because postaccident examination did not reveal any anomalies that would have precluded normal operation.
- [NTSB WPR12LA022](https://openairdocs.org/ntsb/WPR12LA022.md): Mcdonnell Douglas 500D · Colusa, CA · Accident · Minor injuries · Limited investigation · Final report · Oct 27, 2011 · N61PJ · Substantial damage
  > A total loss of engine power while maneuvering at low altitude for reasons that could not be determined because postaccident examinations did not reveal any anomalies that would have precluded normal operation. Contributing to the accident severity was the…
- [NTSB WPR12LA015](https://openairdocs.org/ntsb/WPR12LA015.md): Piper PA46R · Paso Robles, CA · Accident · Minor injuries · Limited investigation · Final report · Oct 21, 2011 · N422HP · Substantial damage
  > A loss of engine power while maneuvering for reasons that could not be determined because postaccident examination did not reveal any anomalies that would have precluded normal operation.
- [NTSB WPR12FA012](https://openairdocs.org/ntsb/WPR12FA012.md): Beech E33 · Daggett, CA · Accident · 3 fatal · Field investigation · Final report · Oct 16, 2011 · N7011N · Substantial damage
  > A loss of engine power due to the separation of a connecting rod, and the pilot's failure to maintain airplane control during a sudden maneuver to avoid power lines during the descent, which resulted in an unrecoverable aerodynamic stall and subsequent spin.…
- [NTSB WPR12LA013](https://openairdocs.org/ntsb/WPR12LA013.md): Miller Avid Flyer · Susanville, CA · Accident · Minor injuries · Limited investigation · Final report · Oct 15, 2011 · N4077B · Substantial damage
  > A total loss of engine power during the takeoff climb for undetermined reasons.
- [NTSB WPR12CA011](https://openairdocs.org/ntsb/WPR12CA011.md): Cessna 170B · Ramona, CA · Accident · Minor injuries · Data collection · Final report · Oct 14, 2011 · N8261A · Substantial damage
  > The pilot’s failure to maintain directional control of the airplane during the landing roll.
- [NTSB WPR12LA009](https://openairdocs.org/ntsb/WPR12LA009.md): Spink Robert M Pietenpol Aircamper · San Rafael, CA · Accident · No injuries · Limited investigation · Final report · Oct 13, 2011 · N762S · Substantial damage
  > A total loss of engine power during the takeoff climb due to fuel starvation, which resulted from the incorrect installation location of the fuel tank supply line screen that allowed debris to partially block the fuel supply line.
- [NTSB WPR12CA007](https://openairdocs.org/ntsb/WPR12CA007.md): Great Lakes 2T-1A · San Diego, CA · Accident · No injuries · Data collection · Final report · Oct 13, 2011 · N502GL · Substantial damage
  > The pilot's excessive brake application during landing.
- [NTSB WPR12CA005](https://openairdocs.org/ntsb/WPR12CA005.md): Combs Dale B RV-4 · Madera, CA · Accident · No injuries · Data collection · Final report · Oct 11, 2011 · N506DC · 2 aircraft · Substantial damage
  > The third airplane pilot’s failure to maintain visual contact with the second airplane during the formation flight.
- [NTSB WPR11FA474](https://openairdocs.org/ntsb/WPR11FA474.md): Poe G L/Poe S Y 540 · Chualar, CA · Accident · 1 fatal · Field investigation · Final report · Sep 30, 2011 · N42GP · Substantial damage
  > The pilot’s incapacitation due either to g-induced loss of consciousness alone or in combination with a cardiac arrhythmia. Contributing to the accident was the pilot’s use of several medications.
- [NTSB WPR11CA472](https://openairdocs.org/ntsb/WPR11CA472.md): Cessna 172R · Napa, CA · Accident · No injuries · Data collection · Final report · Sep 28, 2011 · N21284 · Substantial damage
  > The student pilot's improper flare, which resulted in a hard landing.
- [NTSB WPR11LA469](https://openairdocs.org/ntsb/WPR11LA469.md): Bell 47D1 · Ahwahnee, CA · Accident · Serious injuries · Limited investigation · Final report · Sep 27, 2011 · N9158R · Substantial damage
  > The pilot’s failure to maintain adequate main rotor rpm during the landing approach, which resulted in a loss of control.
- [NTSB WPR11CA478](https://openairdocs.org/ntsb/WPR11CA478.md): Fpna A-22 Valor · Fresno, CA · Accident · No injuries · Data collection · Final report · Sep 23, 2011 · N730FP · Substantial damage
  > The student pilot’s improper flare.
- [NTSB WPR11LA462](https://openairdocs.org/ntsb/WPR11LA462.md): Hughes 269C · Ramona, CA · Accident · No injuries · Limited investigation · Final report · Sep 22, 2011 · N1088Y · Substantial damage
  > The flight instructor’s failure to follow the proper procedure while demonstrating a practice autorotation, which resulted in a total loss of engine power and subsequent hard landing.
- [NTSB WPR11LA460](https://openairdocs.org/ntsb/WPR11LA460.md): Piper PA23 · Truckee, CA · Accident · Serious injuries · Limited investigation · Final report · Sep 21, 2011 · N62792 · Substantial damage
  > The pilot's failure to maintain an airspeed at or above the airplane's minimum controllable airspeed, which resulted in a loss of airplane control. Contributing to the accident was the partial loss of power from the left engine as a result of a clogged fuel…
- [NTSB WPR11LA458](https://openairdocs.org/ntsb/WPR11LA458.md): Aviat Pitts S-2B · Redlands, CA · Accident · Serious injuries · Limited investigation · Final report · Sep 19, 2011 · N46BT · Substantial damage
  > The pilot’s failure to maintain airspeed while maneuvering, which resulted in an aerodynamic stall. Contributing to the accident was the pilot’s impairment from alcohol.
- [NTSB WPR11CA456](https://openairdocs.org/ntsb/WPR11CA456.md): Cub Crafters CC11-100 · San Jose, CA · Accident · No injuries · Data collection · Final report · Sep 17, 2011 · N468CB · Substantial damage
  > The pilot's failure to maintain directional control while taxiing due to his distraction by a cockpit warning light.
- [NTSB WPR11LA451](https://openairdocs.org/ntsb/WPR11LA451.md): Peter A Land White Lightning · Lancaster, CA · Accident · No injuries · Limited investigation · Final report · Sep 12, 2011 · N2WL · Substantial damage
  > A total loss of engine power during the landing approach due to fuel starvation. Contributing to the accident was the airplane’s inaccurate fuel indicator.
- [NTSB WPR11CA445](https://openairdocs.org/ntsb/WPR11CA445.md): Aero SP Z O O AT-4 LSA · San Diego, CA · Accident · No injuries · Data collection · Final report · Sep 10, 2011 · N334RA · Substantial damage
  > The pilot's improper recovery from a bounced landing and failure to maintain control during an attempted go-around.
- [NTSB WPR11LA443](https://openairdocs.org/ntsb/WPR11LA443.md): Cessna 152 · Redlands, CA · Accident · No injuries · Limited investigation · Final report · Sep 6, 2011 · N4649L · Substantial damage
  > The flight instructor’s delayed remedial action and failure to maintain airplane control while performing a simulated aborted landing.
- [NTSB WPR11GA431](https://openairdocs.org/ntsb/WPR11GA431.md): Bell 205 · Tehachapi, CA · Accident · Minor injuries · Final report · Sep 4, 2011 · N205WW · Substantial damage
  > The pilot's inability to adequately execute an emergency autorotation due to the flight's low altitude during external load operations, which resulted in a hard landing. Contributing to the accident was a torsionally overstressed tachometer shaft, which sent…
- [NTSB WPR11FA430](https://openairdocs.org/ntsb/WPR11FA430.md): Cessna P210 · Tehachapi, CA · Accident · 2 fatal · Field investigation · Final report · Sep 4, 2011 · N7WJ · Destroyed
  > The pilot’s intentional low-altitude maneuvering and failure to maintain clearance from terrain due to distraction.
- [NTSB WPR11CA432](https://openairdocs.org/ntsb/WPR11CA432.md): Taylorcraft BC12-D · Lancaster, CA · Accident · Minor injuries · Data collection · Final report · Sep 4, 2011 · N43220 · Substantial damage
  > The student pilot’s inadequate flare resulting in a hard landing. Contributing to the accident was the certified flight instructor's inadequate supervision.
- [NTSB WPR11LA423](https://openairdocs.org/ntsb/WPR11LA423.md): Arrow Falcon Exporters UH-1H · Stockton, CA · Accident · Minor injuries · Limited investigation · Final report · Sep 2, 2011 · N205PJ · Substantial damage
  > A total loss of engine power due to the separation of a tooth from the starter-generator drive gear, which resulted in failure of the engine oil pump and subsequent oil starvation.
- [NTSB WPR11FA424](https://openairdocs.org/ntsb/WPR11FA424.md): Consolidated Aeronautics Lake LA-4-200 · Lakeport, CA · Accident · Serious injuries · Field investigation · Final report · Sep 2, 2011 · N80033 · Substantial damage
  > The pilot's decision to continue the takeoff with reduced engine power, which resulted in a collision with terrain during the takeoff initial climb. Contributing to the accident was the partial loss of engine power for reasons that could not be determined…
- [NTSB WPR11CA418](https://openairdocs.org/ntsb/WPR11CA418.md): Christen Industries A-1 · Dorris, CA · Accident · Minor injuries · Data collection · Final report · Aug 30, 2011 · N2868A · Substantial damage
  > The pilot’s failure to maintain lateral aircraft control while taking off with a gusting crosswind.
- [NTSB WPR11FA415](https://openairdocs.org/ntsb/WPR11FA415.md): Cessna 172M · Santa Monica, CA · Accident · Serious injuries · Field investigation · Final report · Aug 29, 2011 · N5155Q · Substantial damage
  > The student pilot’s misjudged approach and landing attempt. Contributing to the accident was a lack of airspeed due to a blocked pitot tube.
- [NTSB WPR11LA410](https://openairdocs.org/ntsb/WPR11LA410.md): Beech A36 · Napa, CA · Accident · Minor injuries · Limited investigation · Final report · Aug 28, 2011 · N6052W · Substantial damage
  > The pilot’s mismanagement of the fuel supply, which resulted in a loss of engine power due to fuel starvation.
- [NTSB WPR11CA411](https://openairdocs.org/ntsb/WPR11CA411.md): Schweizer SGS 2-32 · Warner Springs, CA · Accident · Serious injuries · Data collection · Final report · Aug 28, 2011 · N5840V · Substantial damage
  > The pilot’s inadequate altitude to clear a ridgeline while maneuvering over a mountainous area.
- [NTSB WPR11FA403](https://openairdocs.org/ntsb/WPR11FA403.md): Beech A23-24 · Palo Alto, CA · Accident · No injuries · Field investigation · Final report · Aug 23, 2011 · N5779V · Substantial damage
  > The student’s and flight instructor’s mismanagement of the fuel supply, resulting in a total loss of engine power due to fuel starvation.
- [NTSB WPR11LA401](https://openairdocs.org/ntsb/WPR11LA401.md): Piper PA-31-310 · Cabazon, CA · Accident · No injuries · Limited investigation · Final report · Aug 21, 2011 · N1009S · Substantial damage
  > A total loss of left engine power due to the failure of the aft crankshaft counterweight retaining washer for reasons that could not be determined during postaccident examinations.
- [NTSB WPR11CA398](https://openairdocs.org/ntsb/WPR11CA398.md): Bell 47G-4 · Los Banos, CA · Accident · Minor injuries · Data collection · Final report · Aug 21, 2011 · N948DS · Substantial damage
  > The pilot's failure to maintain clearance from the power poles while maneuvering during low-altitude operations.
- [NTSB WPR11LA416](https://openairdocs.org/ntsb/WPR11LA416.md): Luscombe 8 · Lincoln, CA · Accident · 1 fatal · Limited investigation · Final report · Aug 18, 2011 · N45725 · No damage
  > The passenger's accidental fall while turning the propeller by hand to start the engine.
- [NTSB WPR11LA487](https://openairdocs.org/ntsb/WPR11LA487.md): Piper J3C-65 · Fortuna, CA · Accident · Serious injuries · Limited investigation · Final report · Aug 17, 2011 · N3453K · No damage
  > The unexpected engine start during hand propping, which resulted in a serious injury. Contributing to the accident was the lack of communication between the pilot and the individual hand propping the engine.
- [NTSB WPR11LA380](https://openairdocs.org/ntsb/WPR11LA380.md): Beech B36TC · Lemoore, CA · Accident · No injuries · Limited investigation · Final report · Aug 14, 2011 · N6465X · Substantial damage
  > A loss of engine power during cruise flight due to maintenance personnel's failure to adequately torque the number 4 cylinder retaining nuts, which resulted in the in-flight separation of the cylinder.
- [NTSB WPR11LA379](https://openairdocs.org/ntsb/WPR11LA379.md): Bell 47G-3B-2 · Los Banos, CA · Accident · No injuries · Limited investigation · Final report · Aug 14, 2011 · N475AL · Substantial damage
  > The pilot’s inadequate preflight, and contamination of both the engine compressor section and the main rotor blades, which resulted in reduced performance of the engine and rotor system.

Next page: https://openairdocs.org/ntsb.md?year=2011&state=CA&page=2

## 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."eventStateOrRegion" = 'CA' AND c."eventCountry" = 'USA'
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?state=CA&year=2011

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