# 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 15 of 37 · 1,848 cases

## Cases, newest first

- [NTSB CEN11CA560](https://openairdocs.org/ntsb/CEN11CA560.md): Cessna 182S · Los Cruces, NM · Accident · No injuries · Data collection · Final report · Aug 5, 2011 · N493JL · Substantial damage
  > The pilot's loss of aircraft control due to insufficient aircraft performance during takeoff, with a heavy gross weight and a high density altitude.
- [NTSB CEN11CA550](https://openairdocs.org/ntsb/CEN11CA550.md): Attaway Robert H RV6A · Colorado Springs, CO · Accident · Serious injuries · Data collection · Final report · Aug 5, 2011 · N675RE · Substantial damage
  > The pilot's failure to maintain control while landing.
- [NTSB CEN11CA548](https://openairdocs.org/ntsb/CEN11CA548.md): Piper PA-18A · Sherman, TX · Accident · Minor injuries · Data collection · Final report · Aug 5, 2011 · N150CW · Substantial damage
  > The pilot's improper fuel management, which resulted in a loss of engine power due to fuel exhaustion.
- [NTSB WPR11LA369](https://openairdocs.org/ntsb/WPR11LA369.md): Cessna 140 · Wilkeson, WA · Accident · No injuries · Limited investigation · Final report · Aug 4, 2011 · N2199N · Substantial damage
  > A partial loss of engine power during takeoff due to water contamination in the fuel system.
- [NTSB CEN11LA549](https://openairdocs.org/ntsb/CEN11LA549.md): Aerosport Ikarus C42E · East Troy, WI · Accident · No injuries · Limited investigation · Final report · Aug 4, 2011 · N577JP · Substantial damage
  > The flight instrctor's delayed remedial action during landing. Contributing to the accident was the student pilot’s loss of directional control when he became distracted with the open door.
- [NTSB CEN11LA546](https://openairdocs.org/ntsb/CEN11LA546.md): Reinboldt Richard A Challenger II · Reedsburg, WI · Accident · 2 fatal · Limited investigation · Final report · Aug 4, 2011 · N340BR · Substantial damage
  > The pilot did not maintain adequate airspeed during takeoff, which resulted in an aerodynamic stall.
- [NTSB CEN11FA562](https://openairdocs.org/ntsb/CEN11FA562.md): Air Tractor AT-301 · Nekoosa, WI · Accident · No injuries · Field investigation · Final report · Aug 4, 2011 · N4345S · Substantial damage
  > A total loss of engine power during initial climb for undetermined reasons.
- [NTSB WPR11LA366](https://openairdocs.org/ntsb/WPR11LA366.md): Ayres S2R-600 · Hazelton, ID · Accident · No injuries · Limited investigation · Final report · Aug 3, 2011 · N4021S · Substantial damage
  > Partial loss of engine power for undetermined reasons.
- [NTSB WPR11FA367](https://openairdocs.org/ntsb/WPR11FA367.md): Piper PA-24-250 · Camas, WA · Accident · 1 fatal · Field investigation · Final report · Aug 3, 2011 · N6297P · Substantial damage
  > The pilot's failure to maintain control of the airplane while maneuvering in the traffic pattern.
- [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 DCA11WA094](https://openairdocs.org/ntsb/DCA11WA094.md): Bell 412 · Bitung, Indonesia · Accident · 10 fatal · Foreign investigation · Aug 3, 2011 · PK-FUG · Destroyed
  > On August 3, 2011, at about 1429 local time (0629 UTC), a Bell 412 helicopter, registration PK-FUG, operated by Nyaman Air, crashed in the jungle on the side of Dua Saudara Mountain in the North Sulawesi province of Indonesia, approximately 25 km from the…
- [NTSB CEN11LA543](https://openairdocs.org/ntsb/CEN11LA543.md): Aero Commander S2R · Washington, IA · Accident · No injuries · Limited investigation · Final report · Aug 3, 2011 · N1735S · Substantial damage
  > The loss of engine power for reasons that could not be determined because postaccident examination of the airframe and engine did not reveal any anomalies that would have precluded normal operation.
- [NTSB CEN11CA570](https://openairdocs.org/ntsb/CEN11CA570.md): Air Tractor AT-301 · Minot, ND · Accident · No injuries · Data collection · Final report · Aug 3, 2011 · N8764S · Substantial damage
  > The pilot's failure to maintain directional control during the crosswind landing, resulting in a ground loop.
- [NTSB ANC11TA079](https://openairdocs.org/ntsb/ANC11TA079.md): Dehavilland DHC-2 MK. I(L20A) · Northway, AK · Accident · No injuries · Final report · Aug 3, 2011 · N723DR · Substantial damage
  > The pilot's failure to identify unsuitable terrain for landing and subsequent contact with a dirt mound, resulting in the separation of the tailwheel from the airframe.
- [NTSB WPR11LA371](https://openairdocs.org/ntsb/WPR11LA371.md): Carpenter Kolb Twinstar III · Republic, WA · Accident · No injuries · Limited investigation · Final report · Aug 2, 2011 · N3135J · Substantial damage
  > The pilot's failure to maintain directional control during the landing roll.
- [NTSB WPR11LA362](https://openairdocs.org/ntsb/WPR11LA362.md): Cessna 172S · Syracuse, UT · Accident · Minor injuries · Limited investigation · Final report · Aug 2, 2011 · N235GW · Substantial damage
  > The failure of the maintenance technicians who installed the engine to properly tighten the fuel injection servo to a spider supply line, which caused a loss of engine power due to fuel starvation.
- [NTSB WPR11LA359](https://openairdocs.org/ntsb/WPR11LA359.md): Cessna 182A · Emmett, ID · Accident · Serious injuries · Limited investigation · Final report · Aug 2, 2011 · N6399B · Substantial damage
  > A total loss of engine power due to carburetor icing because the pilot did not use carburetor heat.
- [NTSB ERA11LA437](https://openairdocs.org/ntsb/ERA11LA437.md): Bellanca 8GCBC · Egg Harbor Township, NJ · Accident · Serious injuries · Limited investigation · Final report · Aug 2, 2011 · N87020 · Substantial damage
  > The pilot’s failure to maintain adequate airspeed while maneuvering near the ground, which resulted in an aerodynamic stall.
- [NTSB ERA11FA435](https://openairdocs.org/ntsb/ERA11FA435.md): Rans S18 · Fayetteville, TN · Accident · 1 fatal · Field investigation · Final report · Aug 2, 2011 · UNREG · Substantial damage
  > The pilot's failure to maintain adequate airspeed, which resulted in an inadvertent stall/spin. Contributing to the accident was the pilot's lack of recent flight experience.
- [NTSB CEN11CA540](https://openairdocs.org/ntsb/CEN11CA540.md): Bell 47G-2 · Charles City, IA · Accident · Serious injuries · Data collection · Final report · Aug 2, 2011 · N4771N · Substantial damage
  > The pilot's failure to refuel the helicopter which resulted in a loss of engine power due to fuel exhaustion.
- [NTSB WPR11CA365](https://openairdocs.org/ntsb/WPR11CA365.md): Cessna 162 · Rawlings, WY · Accident · No injuries · Data collection · Final report · Aug 1, 2011 · N7024V · Substantial damage
  > The pilot's decision to attempt a takeoff at a density altitude that was outside the performance envelope of the airplane. Also causal was the flight's likely encounter with a sudden tailwind gust.
- [NTSB ERA11IA436](https://openairdocs.org/ntsb/ERA11IA436.md): Bell 206 · Relience, TN · Incident · No injuries · Incident investigation · Final report · Aug 1, 2011 · N484AE · Minor damage
  > Inadvertent contact with wires due to the lack of visual cues regarding their presence and the low angle of the sun, which was directly in the takeoff path.
- [NTSB ERA11FAMS1](https://openairdocs.org/ntsb/ERA11FAMS1.md): Piper PA-28-140 · Accident · 1 fatal · Missing aircraft · Final report · Aug 1, 2011 · N4533R · Substantial damage
  > The non-instrumented rated pilot’s flight into instrument meteorological conditions for undetermined reasons, resulting in an in-flight loss of control, uncontrolled descent, and collision with the water.
- [NTSB CEN11LA542](https://openairdocs.org/ntsb/CEN11LA542.md): T&T Falcon LS · Lee's Summit, MO · Accident · No injuries · Limited investigation · Final report · Aug 1, 2011 · N785TT · Substantial damage
  > A binding condition in the left rudder cable which resulted in a loss of directional control during landing.
- [NTSB CEN11LA536](https://openairdocs.org/ntsb/CEN11LA536.md): Bellanca 14-13 · Stoughton, WI · Accident · Serious injuries · Limited investigation · Final report · Aug 1, 2011 · N74260 · Substantial damage
  > The pilot’s improper preflight planning and his failure to gain proper airspeed during takeoff from a grass airstrip resulting in a stall, the loss of control, and subsequent impact with the trees. Contributing to the accident was the pilot operating the…
- [NTSB CEN11FA531](https://openairdocs.org/ntsb/CEN11FA531.md): Edwards Douglas L SKY Ranger · Wautoma, WI · Accident · 1 fatal · Field investigation · Final report · Aug 1, 2011 · N7501Y · Substantial damage
  > The pilot’s failure to maintain proper airspeed and attitude control of the airplane in the turn, which resulted in an aerodynamic stall.
- [NTSB CEN11CA535](https://openairdocs.org/ntsb/CEN11CA535.md): Texas Helicopter OH-13H/M74A · Joice, IA · Accident · No injuries · Data collection · Final report · Aug 1, 2011 · N51857 · Substantial damage
  > The pilot's failure to maintain clearance from the wire.
- [NTSB WPR11CA394](https://openairdocs.org/ntsb/WPR11CA394.md): Bell 47G · Porterville, CA · Accident · No injuries · Data collection · Final report · Jul 31, 2011 · N6260C · Substantial damage
  > The pilot's decision to takeoff in a tailwind condition, and his subsequent failure to attain sufficient lift during the takeoff.
- [NTSB WPR11CA358](https://openairdocs.org/ntsb/WPR11CA358.md): Mcdonald Lynn B Avid Flyer Mark IV · Yamhill, OR · Accident · No injuries · Data collection · Final report · Jul 31, 2011 · N30456 · Substantial damage
  > The pilot’s loss of directional control during landing rollout due to an unlocked tail wheel that was caused by a degradation of the tailwheel assembly mounting angle.
- [NTSB ERA11LA434](https://openairdocs.org/ntsb/ERA11LA434.md): Nord Stampe SV4C · Rhinebeck, NY · Accident · Minor injuries · Limited investigation · Final report · Jul 31, 2011 · N51SV · Substantial damage
  > A total loss of engine power for undetermined reasons.
- [NTSB ERA11FA431](https://openairdocs.org/ntsb/ERA11FA431.md): Beech G35 · Byron, GA · Accident · 1 fatal · Field investigation · Final report · Jul 31, 2011 · N156RP · Substantial damage
  > The pilot’s sustained flight at airspeeds in excess of the airplane's never exceed speed during a steep descent, which resulted in a subsequent in-flight structural failure due to overstress.
- [NTSB DCA11WA093](https://openairdocs.org/ntsb/DCA11WA093.md): Boeing 757 · Leipzig-Halle, Germany · Incident · No injuries · Foreign investigation · Jul 31, 2011 · D-ALEA · No damage
  > On July 31, 2011, at about 1610 UTC, a European Air Transport Leipzig GmbH B757-200, registration D-ALEA, reported an unusual smell in the cockpit after departure from Leipzig-Halle, Germany. There was no damage to the aircraft, and there were no injuries.…
- [NTSB CEN11FA537](https://openairdocs.org/ntsb/CEN11FA537.md): Morrison E-RACER · Big Rock, IL · Accident · 1 fatal · Field investigation · Final report · Jul 31, 2011 · N345JM · Destroyed
  > The pilot's failure to maintain airplane control after experiencing excessive engine cylinder head temperatures during the initial flight test of the experimental amateur-built airplane.
- [NTSB CEN11CA533](https://openairdocs.org/ntsb/CEN11CA533.md): Garlick Helicopters OH-58C · Rushford, MN · Accident · No injuries · Data collection · Final report · Jul 31, 2011 · N82855 · Substantial damage
  > The pilot's diverted attention, which resulted in the failure to maintain clearance from the power line.
- [NTSB CEN11CA532](https://openairdocs.org/ntsb/CEN11CA532.md): Alon A-2A · Rolfe, IA · Accident · No injuries · Data collection · Final report · Jul 31, 2011 · N5647F · Substantial damage
  > The pilot's decision to execute a precautionary landing to unsuitable terrain.
- [NTSB WPR11LA361](https://openairdocs.org/ntsb/WPR11LA361.md): Beech 76 · Perris, CA · Accident · Serious injuries · Limited investigation · Final report · Jul 30, 2011 · N6718X · Substantial damage
  > The pilot’s failure to maintain airplane control and the resulting encounter with an aerodynamic stall. Also causal were the pilot’s inadequate preflight planning and preflight inspection, his failure to ensure the pitch trim was positioned correctly for…
- [NTSB WPR11FA354](https://openairdocs.org/ntsb/WPR11FA354.md): Cirrus SR20 · Fredonia, AZ · Accident · 2 fatal · Field investigation · Final report · Jul 30, 2011 · N365DP · Substantial damage
  > The non-instrument-rated pilots’ loss of situational awareness during a dark night flight over a remote area, which resulted in their failure to maintain an altitude sufficient to ensure adequate terrain clearnance. Contributing to the accident was the…
- [NTSB WPR11CA355](https://openairdocs.org/ntsb/WPR11CA355.md): Cessna 170A · Mulino, OR · Accident · No injuries · Data collection · Final report · Jul 30, 2011 · N9741A · Substantial damage
  > The certified flight instructor's inadequate oversight of his student, and delayed recovery efforts following the student's loss of directional control during landing rollout.
- [NTSB ERA11CA433](https://openairdocs.org/ntsb/ERA11CA433.md): Eurocopter AS 350 B3 · Humacao, PR · Accident · No injuries · Data collection · Final report · Jul 30, 2011 · N413LP · Substantial damage
  > The pilot's failure to maintain clearance from a building during landing.
- [NTSB ERA11CA432](https://openairdocs.org/ntsb/ERA11CA432.md): Mcfarland WM H Rans S6S · Huntington, WV · Accident · Serious injuries · Data collection · Final report · Jul 30, 2011 · N434WM · Substantial damage
  > The failure of both pilots to maintain proper pitch control during takeoff. Contributing to the accident was both pilots' inexperience in the airplane make/model.
- [NTSB ERA11CA430](https://openairdocs.org/ntsb/ERA11CA430.md): Cessna 182 · Dandrige, TN · Accident · No injuries · Data collection · Final report · Jul 30, 2011 · N5813B · Substantial damage
  > The loss of engine power due to fuel exhaustion as a result of poor planning.
- [NTSB DCA11RA092](https://openairdocs.org/ntsb/DCA11RA092.md): Boeing 737 · Georgetown, Guyana · Accident · Serious injuries · Foreign investigation · Jul 30, 2011 · 9Y-PBM · Substantial damage
  > On July 30, 2011, at 1:25 am local time (0525 UTC), a Boeing 737-800, Trinidad & Tobago registration 9Y-PBM, operated by Caribbean Airlines as flight 523, overran the runway upon landing at Cheddi Jagan International Airport, Georgetown, Guyana. Of the 156…
- [NTSB CEN11WA592](https://openairdocs.org/ntsb/CEN11WA592.md): Socata TB10 · Kufstein, Austria · Accident · 1 fatal · Foreign investigation · Jul 30, 2011 · PH-RCV · Substantial damage
  > Under the jurisdiction and control of the Austrian government.
- [NTSB CEN11LA541](https://openairdocs.org/ntsb/CEN11LA541.md): Weatherly 620B · Hettinger, ND · Accident · No injuries · Limited investigation · Final report · Jul 30, 2011 · N90181 · Substantial damage
  > Internal failure of the engine for undetermined reasons.
- [NTSB CEN11LA529](https://openairdocs.org/ntsb/CEN11LA529.md): Mooney M20K · Opelousas, LA · Accident · Minor injuries · Limited investigation · Final report · Jul 30, 2011 · N231EH · Substantial damage
  > The loss of engine power due to fuel contamination.
- [NTSB CEN11FA528](https://openairdocs.org/ntsb/CEN11FA528.md): Wright B Flyer Wright B Flyer · Springfield, OH · Accident · 2 fatal · Field investigation · Final report · Jul 30, 2011 · N453WB · Substantial damage
  > The flight crew’s failure to maintain airplane control following a partial loss of engine thrust during cruise flight. Contributing to the accident was the failed weld as a result of incomplete welding on the left propeller shaft, which led to the partial…
- [NTSB ANC11FA071](https://openairdocs.org/ntsb/ANC11FA071.md): Cessna U206G · Talkeetna, AK · Accident · 4 fatal · Field investigation · Final report · Jul 30, 2011 · N756MP · 2 aircraft · Minor damage
  > The inadequate visual lookout and failure to see and avoid by the pilots of both airplanes while maneuvering to land, which resulted in a midair collision. Contributing to the accident was the lack of standardized, unequivocal procedures concerning common…
- [NTSB WPR11CA353](https://openairdocs.org/ntsb/WPR11CA353.md): Sloan Roger D Vans RV7A · Sheridan, WY · Accident · No injuries · Data collection · Final report · Jul 29, 2011 · N742RJ · Substantial damage
  > The pilot's failure to maintain aircraft control during takeoff due to cockpit distractions.
- [NTSB ERA11LA428](https://openairdocs.org/ntsb/ERA11LA428.md): Schweizer 269C · Darlington, MD · Accident · Minor injuries · Limited investigation · Final report · Jul 29, 2011 · N39SH · Substantial damage
  > Inadequate maintenance of the helicopter's landing gear dampers, which resulted in a main rotor out-of-balance condition and ground resonance encounter.
- [NTSB ERA11LA427](https://openairdocs.org/ntsb/ERA11LA427.md): TL Ultralight Sro Sting S3 · Sarasota, FL · Accident · 1 fatal · Limited investigation · Final report · Jul 29, 2011 · N2442 · Substantial damage
  > The inability of the pilot-in-command (PIC) to recover from an inadvertent spin following a stall demonstration for reasons that could not be determined because aircraft and engine examinations did not reveal any anomalies that would have precluded recovery…

Next page: https://openairdocs.org/ntsb.md?year=2011&page=16

## 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=15&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.
