# NTSB investigations, 2011

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 24 of 37 · 1,848 cases

## Cases, newest first

- [NTSB CEN11LA375](https://openairdocs.org/ntsb/CEN11LA375.md): Boeing A75N1(PT17) · Junction City, KS · Accident · No injuries · Limited investigation · Final report · Jun 4, 2011 · N50052 · Substantial damage
  > The degraded engine performance due to low compression on the cylinder and delayed ignition timing.
- [NTSB CEN11LA374](https://openairdocs.org/ntsb/CEN11LA374.md): Malkin Roy K Searey · Minneapolis, MN · Accident · Serious injuries · Limited investigation · Final report · Jun 4, 2011 · N242RM · Substantial damage
  > The pilot's failure to maintain adequate airspeed during takeoff, which resulted in an inadvertent stall. Contributing to the accident was the degraded engine performance due to the improper servicing and maintenance of the fuel system.
- [NTSB CEN11LA373](https://openairdocs.org/ntsb/CEN11LA373.md): Mooney M20R · Lake In The Hills, IL · Accident · No injuries · Limited investigation · Final report · Jun 4, 2011 · N5816P · Substantial damage
  > The pilot's improper landing flare and recovery from a bounced landing, which resulted in a loss of control. Contributing to the accident was the certified flight instructor’s inadequate supervision.
- [NTSB CEN11LA371](https://openairdocs.org/ntsb/CEN11LA371.md): Redding David RV9A · Edgewood, NM · Accident · No injuries · Limited investigation · Final report · Jun 4, 2011 · N514R · Substantial damage
  > The pilot's failure to abort the takeoff roll.
- [NTSB WPR11LA246](https://openairdocs.org/ntsb/WPR11LA246.md): Scottish Series 100 MDL 101 · Chandler, AZ · Accident · No injuries · Limited investigation · Final report · Jun 3, 2011 · N101MY · Substantial damage
  > A loss of engine power during cruise flight for reasons that could not be determined because postaccident examination did not reveal any anomalies that would have precluded normal operation.
- [NTSB WPR11CA249](https://openairdocs.org/ntsb/WPR11CA249.md): Rusk Smith Super Cub · Heron, MT · Accident · Minor injuries · Data collection · Final report · Jun 3, 2011 · N316BR · Substantial damage
  > The floatplane's collision with a submerged object during a water landing.
- [NTSB ERA11LA325](https://openairdocs.org/ntsb/ERA11LA325.md): Clamar Floats CA-4 · Merritt Island, FL · Accident · Minor injuries · Limited investigation · Final report · Jun 3, 2011 · N434JC · Substantial damage
  > The loss of engine power during takeoff for reasons that could not be determined because a postaccident examination could not be performed before the airplane was disassembled.
- [NTSB ERA11CA346](https://openairdocs.org/ntsb/ERA11CA346.md): Cessna 177 · Boone, NC · Accident · No injuries · Data collection · Final report · Jun 3, 2011 · N3142T · Substantial damage
  > The pilot's delay in executing a go-around.
- [NTSB ERA11CA324](https://openairdocs.org/ntsb/ERA11CA324.md): Aeronca 7AC · Honea Path, SC · Accident · Minor injuries · Data collection · Final report · Jun 3, 2011 · N84572 · Substantial damage
  > The student pilot's loss of control during the takeoff.
- [NTSB CEN11IA369](https://openairdocs.org/ntsb/CEN11IA369.md): Embraer EMB-145 · Chicago, IL · Incident · No injuries · Incident investigation · Final report · Jun 3, 2011 · N607AE · No damage
  > The overheat and failure the brake during landing due to oxidation of the brake rotors, which went undetected by maintenance personnel. Contributing to the accident was maintenance personnel’s lack of familiarity with detailed brake oxidation inspection…
- [NTSB WPR11LA253](https://openairdocs.org/ntsb/WPR11LA253.md): Cessna A188B · Pine Bluffs, WY · Accident · No injuries · Limited investigation · Final report · Jun 2, 2011 · N9496G · Substantial damage
  > A partial loss of engine power during takeoff for reasons that could not be determined because postaccident examination did not reveal any mechanical malfunctions or failures that would have precluded normal operation.
- [NTSB WPR11LA245](https://openairdocs.org/ntsb/WPR11LA245.md): Piper PA-46-310P · Lake Havasu, AZ · Accident · No injuries · Limited investigation · Final report · Jun 2, 2011 · N712MK · Substantial damage
  > The failure of the low pressure switch in the normal landing gear system, which prevented normal operation of that system, and the misrigging of the emergency extension gear release valve, which prevented the system from being depressurized to allow for the…
- [NTSB ANC11LA041](https://openairdocs.org/ntsb/ANC11LA041.md): Eclipse EA500 · Nome, AK · Accident · No injuries · Limited investigation · Final report · Jun 2, 2011 · N168TT · Substantial damage
  > The pilot landed without lowering the landing gear. Contributing to the accident was the pilot's decision to fly the airplane with an inoperative wing flap system.
- [NTSB WPR11LA363](https://openairdocs.org/ntsb/WPR11LA363.md): Cessna 340A · Fullerton, CA · Accident · No injuries · Limited investigation · Final report · Jun 1, 2011 · N340BG · Substantial damage
  > The pilot's inability to maintain directional control during landing due to the left brake's degraded performance due to oil contamination, which resulted from the fatigue failure of an oil line component.
- [NTSB WPR11LA244](https://openairdocs.org/ntsb/WPR11LA244.md): Hiller UH-12E · Stockton, CA · Accident · No injuries · Limited investigation · Final report · Jun 1, 2011 · N68012 · Substantial damage
  > The pilot's failure to maintain clearance from obstacles.
- [NTSB WPR11FA242](https://openairdocs.org/ntsb/WPR11FA242.md): Cessna 172R · Wendover, UT · Accident · 4 fatal · Field investigation · Final report · Jun 1, 2011 · N475ER · Substantial damage
  > The pilot did not maintain adequate airspeed during the downwind turn resulting in an aerodynamic stall, in-flight loss of control, and spin. Contributing to the accident was the pilot’s inadequate preflight planning and exceedance of the approved weight and…
- [NTSB ERA11CA323](https://openairdocs.org/ntsb/ERA11CA323.md): Schweizer SGS 2-33A · Wurstboro, NY · Accident · No injuries · Data collection · Final report · Jun 1, 2011 · N2656H · Substantial damage
  > The flying pilot's failure to maintain aircraft control and the flight instructor's inadequate supervision while landing with a gusting wind. Contributing to the accident was the lack of communication between the flight instructor and pilot under evaluation…
- [NTSB WPR11LA300](https://openairdocs.org/ntsb/WPR11LA300.md): Boeing 757-222 · Los Angeles, CA · Accident · Serious injuries · Limited investigation · Final report · May 31, 2011 · N526UA · Minor damage
  > The ground crewmembers’ failure to follow proper procedures for removing a stuck or jammed tow bar, which resulted in a ground crew injury.
- [NTSB ERA11CA319](https://openairdocs.org/ntsb/ERA11CA319.md): Aero AT SP Zoo AT-4 LSA · Concord, NH · Accident · Serious injuries · Data collection · Final report · May 31, 2011 · N709PR · Substantial damage
  > The student pilot's loss of aircraft control during a go-around maneuver following a bounced landing.
- [NTSB CEN11LA366](https://openairdocs.org/ntsb/CEN11LA366.md): Cessna 150F · Sully, IA · Accident · No injuries · Limited investigation · Final report · May 31, 2011 · N7818F · Substantial damage
  > The pilot's failure to attain an adequate climb rate during the initial takeoff, resulting in the airplane settling back down and departing the runway. Contributing to the accident was the pilot's inadequate preflight planning and preparation.
- [NTSB ERA11FA321](https://openairdocs.org/ntsb/ERA11FA321.md): Beech V35 · Ellijay, GA · Accident · 4 fatal · Field investigation · Final report · May 30, 2011 · N29MW · Substantial damage
  > The pilot’s failure to maintain adequate clearance from terrain while maneuvering in a mountainous area.
- [NTSB CEN11LA367](https://openairdocs.org/ntsb/CEN11LA367.md): Jones Cozy Mark IV · Sioux City, IA · Accident · Minor injuries · Limited investigation · Final report · May 30, 2011 · N204TJ · Substantial damage
  > The pilot's improper installation of the gascolator gasket during the airplane's last condition inspection, which resulted in a partial loss of engine power while maneuvering.
- [NTSB WPR11FA241](https://openairdocs.org/ntsb/WPR11FA241.md): Cessna R172K · Cold Springs, NV · Accident · 3 fatal · Field investigation · Final report · May 29, 2011 · N9831V · Substantial damage
  > The pilot's continued visual flight rules flight into instrument meteorological conditions, which resulted in a controlled collision with terrain.
- [NTSB ERA11TA318](https://openairdocs.org/ntsb/ERA11TA318.md): Bell OH-58A · Ft. Pierce, FL · Accident · Minor injuries · Final report · May 29, 2011 · N911SL · Substantial damage
  > The pilot's failure to recognize and avoid a loss of tail rotor effectiveness, which resulted in a loss of control and hard landing.
- [NTSB ERA11IA320](https://openairdocs.org/ntsb/ERA11IA320.md): Robinson Helicopter R22 Mariner · Redding, CT · Incident · No injuries · Incident investigation · Final report · May 29, 2011 · N8313E · No damage
  > The pilot's inadequate helicopter preflight inspection and the mechanic’s inadequate annual inspection, both of which failed to detect a worn bolt in the tail rotor teeter hinge prior to its fracture due to fatigue.
- [NTSB CEN11FA359](https://openairdocs.org/ntsb/CEN11FA359.md): Eurocopter AS 350 B2 · Fort Worth, TX · Accident · Minor injuries · Field investigation · Final report · May 29, 2011 · N747CH · Substantial damage
  > The pilot’s loss of control due to his not maintaining adequate airspeed and altitude during a simulated hydraulic flight control failure. Contributing to the accident was the flight instructor’s inadequate supervision and delayed remedial response.
- [NTSB CEN11FA358](https://openairdocs.org/ntsb/CEN11FA358.md): Rockwell 112 · Bryan, TX · Accident · 2 fatal · Field investigation · Final report · May 29, 2011 · N1041J · Substantial damage
  > The pilot's inadequate fuel planning, which resulted in a loss of engine power due to fuel exhaustion, and his improper control inputs following the loss of engine power, which resulted in an aerodynamic stall and subsequent loss of control. Contributing to…
- [NTSB ANC11CA040](https://openairdocs.org/ntsb/ANC11CA040.md): Cessna 140 · Chickaloon, AK · Accident · No injuries · Data collection · Final report · May 29, 2011 · N89424 · Substantial damage
  > The pilot's improper decision to take off downwind from unsuitable terrain.
- [NTSB WPR11LA238](https://openairdocs.org/ntsb/WPR11LA238.md): Grumman G-164A · Hazelton, ID · Accident · No injuries · Limited investigation · Final report · May 28, 2011 · N9724 · Substantial damage
  > A total loss of engine power during low-level maneuvering due to an excessively worn carburetor.
- [NTSB CEN11LA388](https://openairdocs.org/ntsb/CEN11LA388.md): Cessna 172 · Ironton, OH · Accident · Minor injuries · Limited investigation · Final report · May 28, 2011 · N5663R · Substantial damage
  > The total 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 ANC11LA048](https://openairdocs.org/ntsb/ANC11LA048.md): Dehavilland DHC-3T · Bettles Field, AK · Accident · No injuries · Limited investigation · Final report · May 28, 2011 · N87AW · Substantial damage
  > The pilot's selection of unsuitable terrain for the landing, which resulted in a loss of directional control.
- [NTSB ANC11LA039](https://openairdocs.org/ntsb/ANC11LA039.md): Cessna 170A · Wasilla, AK · Accident · No injuries · Limited investigation · Final report · May 28, 2011 · N1742D · Substantial damage
  > The pilot's loss of directional control during landing, which resulted in a runway excursion. Contributing to the accident were the effects of multiple modifications to the main and tailwheel landing gear through the supplemental type certificate and FAA…
- [NTSB WPR11FA239](https://openairdocs.org/ntsb/WPR11FA239.md): Brantly B-2B · Weaverville, CA · Accident · 1 fatal · Field investigation · Final report · May 27, 2011 · N222DW · Substantial damage
  > The student pilot's decision to fly in windy conditions that exceeded his capabilities, which resulted in his subsequent loss of helicopter control. Contributing to the accident was his lack of flight experience in the accident helicopter.
- [NTSB WPR11CA243](https://openairdocs.org/ntsb/WPR11CA243.md): Bell 206B3 · Glendale, AZ · Accident · No injuries · Data collection · Final report · May 27, 2011 · N59383 · Substantial damage
  > The certified flight instructor's failure to maintain adequate main rotor RPM during the autorotation.
- [NTSB ERA11TA317](https://openairdocs.org/ntsb/ERA11TA317.md): Bell OH-58C · Panama City, FL · Accident · Minor injuries · Final report · May 27, 2011 · N82772 · Substantial damage
  > The drooping electrical conduit, which snagged the vertical fin and resulted in the pilot's inability to control the helicopter. Contributing to the accident was the operator's decision to have the pilot fly the helicopter out of the hangar.
- [NTSB ERA11LA330](https://openairdocs.org/ntsb/ERA11LA330.md): Beech C90 · Camden, SC · Accident · No injuries · Limited investigation · Final report · May 27, 2011 · N291CC · Substantial damage
  > The pilot's in-flight decision to continue toward his destination, through known significant weather, when safer alternatives were available.
- [NTSB ERA11IA316](https://openairdocs.org/ntsb/ERA11IA316.md): Israel Aircraft Industries Gulfstream 200 · Newburgh, NY · Incident · No injuries · Incident investigation · Final report · May 27, 2011 · N749QS · Minor damage
  > The flight crew did not ensure that the landing gear selector handle was in the full down (extend) position. Contributing to the incident was inadequate checklist information.
- [NTSB ENG11WA038](https://openairdocs.org/ntsb/ENG11WA038.md): Aerospatiale AS350 · Big Trout Lake, Ontario, Canada · Accident · No injuries · Foreign investigation · May 27, 2011 · C-GSSS · Substantial damage
  > An Expedition Helicopters Aerospatiale AS 350 B-2, registration C-GSSS, powered by a Honeywell LTS-101-700-D engine, was substantially damaged during an emergency autorotation landing following an in-flight engine shutdown. According to the Transportation…
- [NTSB CEN11LA396](https://openairdocs.org/ntsb/CEN11LA396.md): Grumman G164 · Oak Ridge, LA · Accident · Minor injuries · Limited investigation · Final report · May 27, 2011 · N2LU · Substantial damage
  > The flight instructor's failure to maintain adequate airspeed, which resulted in an aerodynamic stall and subsequent impact with trees.
- [NTSB CEN11LA365](https://openairdocs.org/ntsb/CEN11LA365.md): Boeing A75N1 (PT17) · Freemont, MI · Accident · Minor injuries · Limited investigation · Final report · May 27, 2011 · N60147 · Substantial damage
  > The pilot’s failure to attain a positive climb rate following takeoff for reasons that could not be determined because the propeller was not provided for further examination. Contributing to the accident was the pilot's impairment from alcohol.
- [NTSB CEN11CA363](https://openairdocs.org/ntsb/CEN11CA363.md): CubCrafters CC11-160 · Goldthwaite, TX · Accident · No injuries · Data collection · Final report · May 27, 2011 · N844ES · Substantial damage
  > The pilot's encounter with a berm during the landing roll, resulting in the airplane nosing over.
- [NTSB ANC11LA038](https://openairdocs.org/ntsb/ANC11LA038.md): Cessna P206C · Wasilla, AK · Accident · No injuries · Limited investigation · Final report · May 27, 2011 · N8665Z · Substantial damage
  > The pilot's failure to maintain directional control during takeoff from an unpaved airstrip, resulting in a collision with trees.
- [NTSB ANC11FA037](https://openairdocs.org/ntsb/ANC11FA037.md): Cessna 180 · Chugiak, AK · Accident · 5 fatal · Field investigation · Final report · May 27, 2011 · N4955A · Substantial damage
  > The pilot's loss of control of the airplane during takeoff, which resulted in an aerodynamic stall. Contributing to the accident was the pilot's lack of experience in make and model, his lack of currency in FAA required takeoffs and landings, and his…
- [NTSB ANC11CA036](https://openairdocs.org/ntsb/ANC11CA036.md): Piper J5A · Palmer, AK · Accident · No injuries · Data collection · Final report · May 27, 2011 · N2364 · Substantial damage
  > The pilot's inadequate compensation for wind conditions.
- [NTSB WPR11CA237](https://openairdocs.org/ntsb/WPR11CA237.md): Piper PA-24-250 · Sedona, AZ · Accident · No injuries · Data collection · Final report · May 26, 2011 · N7792P · Substantial damage
  > The pilot's failure to maintain directional control on the landing roll out. Contributing to the accident was the pilot's decision to attempt a landing in crosswind conditions that exceeded the maximum demonstrated capability of the airplane.
- [NTSB ERA11CA322](https://openairdocs.org/ntsb/ERA11CA322.md): Cessna 140A · Quincy, FL · Accident · No injuries · Data collection · Final report · May 26, 2011 · N1137D · Substantial damage
  > The private pilot's inability to maintain directional control of the airplane during the takeoff roll.
- [NTSB ENG11WA029](https://openairdocs.org/ntsb/ENG11WA029.md): Airbus A330 · Seoul, Korea, South Korea · Incident · No injuries · Foreign investigation · May 26, 2011 · HL7553 · No damage
  > On May 26, 2011 the crew of a Korean Air A330-300, registration number HL7553, while climbing through 11,500 feet altitude, reported that they heard a loud bang from the number 2 engine followed by a high vibration increase. Approximately 2 minutes later, the…
- [NTSB DCA11WA064](https://openairdocs.org/ntsb/DCA11WA064.md): Boeing 737 · Brussels, Belgium · Accident · No injuries · Foreign investigation · May 26, 2011 · SP-LLB · Substantial damage
  > The Belgium Air Accident Investigation Unit (AAIU) has notified the NTSB of an accident involving a B737-45D that occurred on May 26, 2011. The NTSB has appointed a U.S. Accredited Representative to assist the AAIU investigation under the provisions of ICAO…
- [NTSB CEN11LA356](https://openairdocs.org/ntsb/CEN11LA356.md): Bell 206 · Walton, KS · Accident · Minor injuries · Limited investigation · Final report · May 26, 2011 · N1815 · Substantial damage
  > A loss of engine power for undetermined reasons because postaccident examination of the airframe and engine revealed no anomalies.
- [NTSB WPR11FA236](https://openairdocs.org/ntsb/WPR11FA236.md): Embraer-Empresa Brasileira De EMB-500 · Sedona, AZ · Accident · Serious injuries · Field investigation · Final report · May 25, 2011 · N224MD · Substantial damage
  > The pilots’ unstabilized approach and excessive airspeed during approach, which resulted in an insufficient landing distance to stop the airplane before overrunning the runway.

Next page: https://openairdocs.org/ntsb.md?year=2011&page=25

## 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
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?page=24&year=2011

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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.
