# 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 19 of 37 · 1,848 cases

## Cases, newest first

- [NTSB ERA11FA391](https://openairdocs.org/ntsb/ERA11FA391.md): Cessna 421C · Demopolis, AL · Accident · 7 fatal · Field investigation · Final report · Jul 9, 2011 · N692TT · Substantial damage
  > The pilot's failure to maintain airplane control during a single-engine approach and his failure to fly an appropriate traffic pattern for a single-engine landing. Contributing to the accident was a total loss of engine power on the right engine due to a…
- [NTSB ERA11CA389](https://openairdocs.org/ntsb/ERA11CA389.md): Beech N35 · Geneseo, NY · Accident · Serious injuries · Data collection · Final report · Jul 9, 2011 · N3344A · Substantial damage
  > The pilot's failure to maintain adequate airspeed which resulted in an aerodynamic stall.
- [NTSB CEN11LA472](https://openairdocs.org/ntsb/CEN11LA472.md): Cessna 150J · Lacassine, LA · Accident · No injuries · Limited investigation · Final report · Jul 9, 2011 · N50575 · Substantial damage
  > A total loss of engine power due to fuel exhaustion, as a result of the pilot's improper fuel planning.
- [NTSB CEN11LA466](https://openairdocs.org/ntsb/CEN11LA466.md): Dehavilland DHC-1 · Benton, KS · Accident · Serious injuries · Limited investigation · Final report · Jul 9, 2011 · N22DH · Substantial damage
  > The pilot did not maintain sufficient airspeed while maneuvering at low altitude, which resulted in an inadvertent stall and spin.
- [NTSB CEN11FA469](https://openairdocs.org/ntsb/CEN11FA469.md): Bowie Richard Sonerai II · Dudley, MO · Accident · 1 fatal · Field investigation · Final report · Jul 9, 2011 · N113RB · Substantial damage
  > Fuel starvation due to the pilot’s improper fuel management and his decision to conduct the flight while under the influence of marijuana.
- [NTSB CEN11FA468](https://openairdocs.org/ntsb/CEN11FA468.md): Robinson Helicopter R44 II · Rising Sun, IN · Accident · 1 fatal · Field investigation · Final report · Jul 9, 2011 · N42333 · Substantial damage
  > The noninstrument-rated pilot's decision to continue the visual flight rules flight into instrument meteorological conditions, which resulted in his spatial disorientation and failure to maintain clearance from terrain.
- [NTSB CEN11FA467](https://openairdocs.org/ntsb/CEN11FA467.md): Rans S-12 · Scott, AR · Accident · 1 fatal · Field investigation · Final report · Jul 9, 2011 · N3266R · Substantial damage
  > The pilot’s loss of airplane control, likely due to a cardiac event.
- [NTSB ANC11LA061](https://openairdocs.org/ntsb/ANC11LA061.md): Cessna U206E · Anchorage, AK · Accident · Minor injuries · Limited investigation · Final report · Jul 9, 2011 · N9129M · Substantial damage
  > The pilot’s decision to depart with minimal fuel and his improper fuel management and engine restart procedures, which resulted in a loss of engine power due to fuel starvation. Contributing to the accident was the Pilot Operating Handbook did not provide the…
- [NTSB WPR11LA318](https://openairdocs.org/ntsb/WPR11LA318.md): Piper PA-22-108 · Frazier Park, CA · Accident · No injuries · Limited investigation · Final report · Jul 8, 2011 · N4901Z · Substantial damage
  > The pilot’s geographic disorientation, which resulted in an off-airport precautionary landing in soft terrain and a subsequent nose over.
- [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 WPR11FA319](https://openairdocs.org/ntsb/WPR11FA319.md): Piper PA-22-135 · Verlot, WA · Accident · 2 fatal · Field investigation · Final report · Jul 8, 2011 · N8721C · Substantial damage
  > The non-instrument rated pilot’s decision to continue visual flight into clouds and his failure to maintain clearance from terrain while maneuvering in an area of reduced visibility, low clouds, and mountain obscuration.
- [NTSB WPR11FA316](https://openairdocs.org/ntsb/WPR11FA316.md): Mooney M20F · Watsonville, CA · Accident · 4 fatal · Field investigation · Final report · Jul 8, 2011 · N7759M · Substantial damage
  > The pilot's decision to take off toward a nearby low cloud layer and the subsequent turn, stall, and spin during the pilot’s attempt to avoid the cloud layer. Contributing to the accident was the pilot's failure to avoid the stall. His ability to avoid the…
- [NTSB ENG11WA039](https://openairdocs.org/ntsb/ENG11WA039.md): Boeing 767 · Tokyo, Japan · Incident · No injuries · Foreign investigation · Jul 8, 2011 · JA8674 · No damage
  > On July 8, 2011, at 0920 Japan standard time, an All Nippon Airways Co., Ltd. Boeing 767-300 airplane, registered in Japan as JA8674, experienced turbine damage in the No. 1 (left) engine, a General Electric CF6-80C2. The airplane was climbing through 9,200…
- [NTSB DCA11RA080](https://openairdocs.org/ntsb/DCA11RA080.md): Boeing 727 · Kisangani, Congo - Kinshasa · Accident · 77 fatal · Foreign investigation · Jul 8, 2011 · 9Q-COP · Substantial damage
  > On July 8, 2011 about 1311 UTC (1511 local time), a Hewa Bora Airways Boeing 727-100, 9Q-COP, a domestic scheduled commercial flight, operating as Hewa Bora flight 952, collided with the ground during visual approach to runway 31 at Bangoka International…
- [NTSB CEN11WA493](https://openairdocs.org/ntsb/CEN11WA493.md): Bell 206 - L4 · Tecpan, Guatemala · Accident · 2 fatal · Foreign investigation · Jul 8, 2011 · TG-MUK
  > On July 8, 2011, about 2145 coordinated universal time (UTC), a Bell 206L-4 helicopter, TG-MUK, was destroyed after impacting wires and terrain near Tecpan, Guatemala. The pilot was seriously injured and two passengers were fatally injured. The accident…
- [NTSB CEN11WA471](https://openairdocs.org/ntsb/CEN11WA471.md): Piper PA18 · Undrom, Sweden · Accident · 1 fatal · Foreign investigation · Jul 8, 2011 · SE-CKC · Destroyed
  > On July 8, 2011, approximately 1920 universal coordinated time, a Piper PA-18-A150 collided with trees and impacted terrain near Undrom, Sweden. The pilot was fatally injured. The airplane was destroyed. The local flight departed River Aangermanaelven at an…
- [NTSB CEN11FA465](https://openairdocs.org/ntsb/CEN11FA465.md): Pipistrel Taurus · Durango, CO · Accident · 1 fatal · Field investigation · Final report · Jul 8, 2011 · N261T · Substantial damage
  > The pilot’s loss of control during the off-airport landing in strong winds, which resulted in a hard landing.
- [NTSB WPR11WA488](https://openairdocs.org/ntsb/WPR11WA488.md): Eurocopter BO105 · Tari, Papua New Guinea · Accident · No injuries · Foreign investigation · Jul 7, 2011 · P2-LAE · Substantial damage
  > On July 7, 2011, about 1200 local time, a Eurocopter BO-105C, Papua New Guinea registry P2-LAE, sustained an uncontained engine failure in one of its Rolls-Ropyce 250-C20B engines. A fire consumed the helicopter following a forced landing. The helicopter was…
- [NTSB WPR11LA315](https://openairdocs.org/ntsb/WPR11LA315.md): Beech V35B · Oljato, UT · Accident · No injuries · Limited investigation · Final report · Jul 7, 2011 · N1735W · Substantial damage
  > The pilot’s failure to follow the airplane manufacturer’s mixture setting guidance while landing in high density altitude conditions.
- [NTSB WPR11CA323](https://openairdocs.org/ntsb/WPR11CA323.md): TL Ultralight Sro Stingsport · Soda Springs, ID · Accident · No injuries · Data collection · Final report · Jul 7, 2011 · N545N · Substantial damage
  > The pilot's improper landing flare and failure to maintain directional control during the landing.
- [NTSB CEN11LA464](https://openairdocs.org/ntsb/CEN11LA464.md): Burtner Charles W Derjager D IX · East Liverpool, OH · Accident · Serious injuries · Limited investigation · Final report · Jul 7, 2011 · N7808M · Substantial damage
  > The pilot's improper landing flare, which resulted in a porpoised landing and propeller contact with the runway, which caused an in-flight disintegration of the propeller during the go-around, and subsequent collision with trees.
- [NTSB ANC11LA060](https://openairdocs.org/ntsb/ANC11LA060.md): Sonex / John D. McCarter Waiex · Sterling, AK · Accident · Serious injuries · Limited investigation · Final report · Jul 7, 2011 · N18YX · Substantial damage
  > The pilot's failure to maintain sufficient airspeed to avoid an aerodynamic stall following a loss of engine power for undetermined reasons.
- [NTSB WPR11LA311](https://openairdocs.org/ntsb/WPR11LA311.md): Cessna R182 · Hesperia, CA · Accident · Minor injuries · Limited investigation · Final report · Jul 6, 2011 · N7392X · Substantial damage
  > The separation of the end baffle cone inside the muffler, which blocked airflow through the engine after takeoff and resulted in a loss of engine power and an off-airport landing into obstacles.
- [NTSB WPR11CA312](https://openairdocs.org/ntsb/WPR11CA312.md): Cessna 150G · Mesa, AZ · Accident · No injuries · Data collection · Final report · Jul 6, 2011 · N2878S · Substantial damage
  > The pilot's failure to maintain directional control during the go around.
- [NTSB ERA11CA385](https://openairdocs.org/ntsb/ERA11CA385.md): Cessna 172P · Baltimore, MD · Accident · No injuries · Data collection · Final report · Jul 6, 2011 · N65659 · Substantial damage
  > The student pilot's failure to maintain aircraft control following a bounced landing.
- [NTSB ERA11CA384](https://openairdocs.org/ntsb/ERA11CA384.md): Aeronca 7DC · Greenland, NH · Accident · No injuries · Data collection · Final report · Jul 6, 2011 · N4375E · Substantial damage
  > The pilot's improper flare, which resulted in a bounced landing, and subsequent loss of control during an attempted go-around maneuver.
- [NTSB CEN11LA460](https://openairdocs.org/ntsb/CEN11LA460.md): Ayres S2R600 · Pine Bluff, AR · Accident · No injuries · Limited investigation · Final report · Jul 6, 2011 · N3101S · Substantial damage
  > The use of an incorrect mounting bolt by maintenance persons to attach the engine torque sensor, which resulted in an internal failure of the torque sensor and subsequent loss of engine power due to fuel starvation.
- [NTSB CEN11CA454](https://openairdocs.org/ntsb/CEN11CA454.md): Van Kalker John E RAF 2000 GTX SE · Decker, IN · Accident · No injuries · Data collection · Final report · Jul 6, 2011 · N25VK · Substantial damage
  > The improper landing flare, which resulted in the gyroplane's main rotor contacting the runway surface.
- [NTSB ANC11CA058](https://openairdocs.org/ntsb/ANC11CA058.md): Aviat A-1B · Palmer, AK · Accident · Serious injuries · Data collection · Final report · Jul 6, 2011 · N949AK · Substantial damage
  > The pilot's decision to fly at a low altitude in mountainous terrain and weather conditions conducive to downdrafts.
- [NTSB WPR11LA307](https://openairdocs.org/ntsb/WPR11LA307.md): Stinson 108-2 · Columbia, CA · Accident · Minor injuries · Limited investigation · Final report · Jul 5, 2011 · N9351K · Substantial damage
  > The airplane’s failure to climb at a sufficient rate to clear trees and terrain beyond the end of the runway for reasons that could not be determined because postaccident examination did not reveal any mechanical malfunctions or failures that would have…
- [NTSB WPR11LA306](https://openairdocs.org/ntsb/WPR11LA306.md): Grumman American Avn. AA-5 · Yacoit, WA · Accident · Serious injuries · Limited investigation · Final report · Jul 5, 2011 · N1334R · Substantial damage
  > The pilot’s failure to maintain clearance from terrain.
- [NTSB WPR11LA305](https://openairdocs.org/ntsb/WPR11LA305.md): Cessna U206 · Nogales, AZ · Accident · Minor injuries · Limited investigation · Final report · Jul 5, 2011 · N51010 · Substantial damage
  > The pilot did not maintain airplane control during the initial climb.
- [NTSB WPR11CA310](https://openairdocs.org/ntsb/WPR11CA310.md): Cubcrafters CC11-160 · Whitefish, MT · Accident · No injuries · Data collection · Final report · Jul 5, 2011 · N40WP · Substantial damage
  > The pilot's failure to maintain directional control during landing. Contributing to the accident was the pilot's lack of recent experience in a tailwheel equipped airplane.
- [NTSB WPR11CA309](https://openairdocs.org/ntsb/WPR11CA309.md): Cessna 182A · Vancouver, WA · Accident · Minor injuries · Data collection · Final report · Jul 5, 2011 · N5175D · Substantial damage
  > The pilot's failure to properly engage the banner tow rope with the airplane's tail hook.
- [NTSB ERA11LA379](https://openairdocs.org/ntsb/ERA11LA379.md): Piper J3C-65 · Egremont, MA · Accident · Minor injuries · Limited investigation · Final report · Jul 5, 2011 · N98550 · Substantial damage
  > A partial loss of engine power due to the No. 4 intake and exhaust valves becoming lodged in the valve guides, which resulted from a lack of use, improper engine storage preparation, and improper return to service from indefinite storage.
- [NTSB ERA11CA382](https://openairdocs.org/ntsb/ERA11CA382.md): Beech A36 · Wauchula, FL · Accident · No injuries · Data collection · Final report · Jul 5, 2011 · N8036V · Substantial damage
  > The pilot's failure to extend the landing gear during the approach.
- [NTSB ERA11CA381](https://openairdocs.org/ntsb/ERA11CA381.md): Schleicher ASW-28 · Hugguenot, NY · Accident · Minor injuries · Data collection · Final report · Jul 5, 2011 · N41ZX · Substantial damage
  > The pilot's failure to attain the proper touchdown point during a tailwind landing.
- [NTSB ERA11CA377](https://openairdocs.org/ntsb/ERA11CA377.md): Cessna 150M · Ridgeway, VA · Accident · Serious injuries · Data collection · Final report · Jul 5, 2011 · N9416U · Substantial damage
  > The pilot's decision to takeoff using a flap setting higher than the manufacturer's recommended setting for takeoff.
- [NTSB CEN11LA451](https://openairdocs.org/ntsb/CEN11LA451.md): Maule MXT-7-180A · New Carlisle, OH · Accident · No injuries · Limited investigation · Final report · Jul 5, 2011 · N800NH · Substantial damage
  > The pilot's failure to conduct a go-around once he recognized he was going to land long on the runway.
- [NTSB ANC11IA059](https://openairdocs.org/ntsb/ANC11IA059.md): Hughes 500D · McGrath, AK · Incident · No injuries · Incident investigation · Final report · Jul 5, 2011 · N315SH · Minor damage
  > A fatigue fracture of the governor-to-fuel control Pc line, which resulted in a partial loss of engine power.
- [NTSB WPR11LA324](https://openairdocs.org/ntsb/WPR11LA324.md): M Squared Sprint 1000 · Heise, ID · Accident · Serious injuries · Limited investigation · Final report · Jul 4, 2011 · N648MA · Substantial damage
  > The pilot's failure to maintain adequate airspeed while maneuvering, which resulted in an aerodynamic stall. Contributing to the accident was the pilot's lack of experience in the accident airplane make and model.
- [NTSB WPR11FA304](https://openairdocs.org/ntsb/WPR11FA304.md): Cessna 180D · Santa Paula, CA · Accident · 2 fatal · Field investigation · Final report · Jul 4, 2011 · N6451X · Substantial damage
  > The pilot’s failure to maintain clearance from a telephone line while flying at a low altitude in dusk lighting conditions.
- [NTSB WPR11CA314](https://openairdocs.org/ntsb/WPR11CA314.md): Piper PA-28R-201 · Spanish Fork, UT · Accident · No injuries · Data collection · Final report · Jul 4, 2011 · N47869 · Substantial damage
  > The pilot's improper landing flare, inadequate recovery from a bounced landing and failure to maintain directional control.
- [NTSB ERA11LA400](https://openairdocs.org/ntsb/ERA11LA400.md): Fessenden Alfred Expermental RV-4 · Fort Drum, FL · Accident · No injuries · Limited investigation · Final report · Jul 4, 2011 · N3226N · Substantial damage
  > A total loss of engine power for undetermined reasons.
- [NTSB ERA11LA388](https://openairdocs.org/ntsb/ERA11LA388.md): Cessna 172N · Orange Beach, AL · Accident · No injuries · Limited investigation · Final report · Jul 4, 2011 · N109DP · Substantial damage
  > The operation of the airplane using unapproved fuels, which resulted in abnormal combustion and subsequent damage to the No. 3 cylinder. Contributing to the accident was the inadequate 100-hour inspection because the mechanic failed to note the lack of…
- [NTSB ERA11LA383](https://openairdocs.org/ntsb/ERA11LA383.md): Cessna 150L · Plymouth, MA · Accident · No injuries · Limited investigation · Final report · Jul 4, 2011 · N150ET · Substantial damage
  > A partial loss of engine power during initial climb due to a stuck cylinder valve, which resulted from excessive corrosion and carbon deposits on the valve springs due to inadequate maintenance.
- [NTSB ERA11LA380](https://openairdocs.org/ntsb/ERA11LA380.md): Robinson Helicopter R44 · Lakewood, NJ · Accident · No injuries · Limited investigation · Final report · Jul 4, 2011 · N64JM · Substantial damage
  > The pilot’s inadequate yaw control of the helicopter while hovering.
- [NTSB ERA11CA378](https://openairdocs.org/ntsb/ERA11CA378.md): Beech 77 · Jonesville, VA · Accident · Minor injuries · Data collection · Final report · Jul 4, 2011 · N37148 · Substantial damage
  > The pilot's delayed decision to abort the takeoff.
- [NTSB CEN11WA458](https://openairdocs.org/ntsb/CEN11WA458.md): Vans RV6 · Shoreham, United Kingdom · Accident · 1 fatal · Foreign investigation · Jul 4, 2011 · G-RVGC · 2 aircraft · Destroyed
  > On July 4, 2011, at 1528 Universal Coordinated Time (UTC), a Vans RV-6A single-engine airplane, G-RVCG, and a Diamond DA-40 single-engine airplane, G-CEZR, collided in midair while maneuvering near Shoreham, West Sussex, United Kingdom. G-RVGC was destroyed…
- [NTSB CEN11CA461](https://openairdocs.org/ntsb/CEN11CA461.md): Piper PA-24-180 · Amarillo, TX · Accident · No injuries · Data collection · Final report · Jul 4, 2011 · N5621P · Substantial damage
  > The pilot's failure to lower the landing gear prior to landing.

Next page: https://openairdocs.org/ntsb.md?year=2011&page=20

## 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=19&year=2011

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