# NTSB investigations, 2011: Loss of control in flight

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 5 · 247 cases

## Latest cases

- [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 ERA12CA124](https://openairdocs.org/ntsb/ERA12CA124.md): Chapel Robert B Aerial · Simsbury, CT · Accident · No injuries · Data collection · Final report · Dec 26, 2011 · N435AB · Substantial damage
  > The pilot's decision to operate the gyroplane outside his endorsement limitations and to depart with a tailwind, which resulted in a forced landing to unsuitable terrain.
- [NTSB CEN12LA112](https://openairdocs.org/ntsb/CEN12LA112.md): American Champion 8KCAB · Marysville, OH · Accident · 1 fatal · Limited investigation · Final report · Dec 22, 2011 · N161PC · Substantial damage
  > The pilot’s failure to maintain sufficient altitude from the terrain while performing low-level aerobatics.
- [NTSB ERA12FA115](https://openairdocs.org/ntsb/ERA12FA115.md): Socata TBM 700 · Morristown, NJ · Accident · 5 fatal · Field investigation · Final report · Dec 20, 2011 · N731CA · Destroyed
  > The airplane’s encounter with unforecasted severe icing conditions that were characterized by high ice accretion rates and the pilot's failure to use his command authority to depart the icing conditions in an expeditious manner, which resulted in a loss of…
- [NTSB ANC12FA014](https://openairdocs.org/ntsb/ANC12FA014.md): Cessna U206G · Nanwalek, AK · Accident · Minor injuries · Field investigation · Final report · Dec 15, 2011 · N252AL · Substantial damage
  > The pilot’s decision to takeoff from a contaminated runway with unfavorable wind conditions, and his failure to maintain airspeed during the initial climb, which resulted in an aerodynamic stall. Contributing to the accident was the operator’s inadequate…
- [NTSB WPR12LA065](https://openairdocs.org/ntsb/WPR12LA065.md): Bell 407 · Rock Springs, WY · Accident · Minor injuries · Limited investigation · Final report · Dec 13, 2011 · N8067Z · Substantial damage
  > The unauthorized operation of the helicopter by a non-certificated and unqualified individual who failed to maintain helicopter control.
- [NTSB ERA12FA107](https://openairdocs.org/ntsb/ERA12FA107.md): Shaw Douglas Wayne Rans S 7 · Somerville, TN · Accident · 1 fatal · Field investigation · Final report · Dec 11, 2011 · N347DS · Substantial damage
  > The pilot's incapacitation due to a ruptured berry aneurysm during takeoff.
- [NTSB CEN12FA101](https://openairdocs.org/ntsb/CEN12FA101.md): Piper PA-28-235D · Chickasha, OK · Accident · 2 fatal · Field investigation · Final report · Dec 10, 2011 · N999RR · Substantial damage
  > The non-instrument-rated pilot's decision to continue flight into instrument meteorological conditions, which resulted in the pilot’s spatial disorientation and loss of control of the airplane. Contributing to the accident was the pilot’s lack of instrument…
- [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 CEN12FA097](https://openairdocs.org/ntsb/CEN12FA097.md): Piper PA-32-260 · St. Ignace, MI · Accident · 2 fatal · Field investigation · Final report · Dec 4, 2011 · N33315 · Substantial damage
  > The pilot’s decision to initiate visual flight in instrument meteorological conditions and subsequent failure to maintain adequate altitude.
- [NTSB CEN12LA095](https://openairdocs.org/ntsb/CEN12LA095.md): Beech F90 · Midland, TX · Accident · Serious injuries · Limited investigation · Final report · Dec 2, 2011 · N90QL · Destroyed
  > The pilot's failure to maintain the recommended airspeed for icing conditions and his subsequent loss of airplane control while flying the airplane under autopilot control in severe icing conditions, contrary to the airplane's handbook. Contributing to the…
- [NTSB WPR12LA051](https://openairdocs.org/ntsb/WPR12LA051.md): Piper PA-44-180 · Seattle, WA · Accident · Minor injuries · Limited investigation · Final report · Dec 1, 2011 · N2163N · Substantial damage
  > The flight instructor’s failure to maintain airplane control during a go-around.
- [NTSB ERA12WA105](https://openairdocs.org/ntsb/ERA12WA105.md): Cirrus SR20 · Minas Gerias, Brazil · Accident · 2 fatal · Foreign investigation · Nov 26, 2011 · PR-LJL · Substantial damage
  > On November 26, 2011, about 1300 universal coordinated time, a Cirrus SR20, Brazilian registration PR-LJL, operated by a private individual, was substantially damaged when it impacted terrain in Carmo do Cajuri Municipality, Minas Gerais, Brazil. The pilot…
- [NTSB CEN12FA090](https://openairdocs.org/ntsb/CEN12FA090.md): Cessna 182R · Mescalero, NM · Accident · 2 fatal · Field investigation · Final report · Nov 26, 2011 · N9408X · Substantial damage
  > The pilot's intentional attempt to fly into adverse weather, which resulted in an in-flight loss of control. Contributing to the accident was the pilot's lack of instrument experience.
- [NTSB CEN12FA083](https://openairdocs.org/ntsb/CEN12FA083.md): Cirrus Design SR20 · Crystal Lake, IL · Accident · 4 fatal · Field investigation · Final report · Nov 26, 2011 · N223CD · Substantial damage
  > The noninstrument-rated pilot's decision to continue flight in instrument meteorological conditions, which resulted in the pilot’s spatial disorientation and loss of control of the airplane.
- [NTSB CEN12FA091](https://openairdocs.org/ntsb/CEN12FA091.md): Robinson Helicopter R44 II · Hackensack, MN · Accident · 1 fatal · Field investigation · Final report · Nov 25, 2011 · N821JV · Substantial damage
  > The helicopter's sudden yaw and subsequent impact with the water for reasons that could not be determined during postaccident examination of the helicopter and its systems.
- [NTSB CEN12FA082](https://openairdocs.org/ntsb/CEN12FA082.md): Beech 23 · West Milton, OH · Accident · 1 fatal · Field investigation · Final report · Nov 24, 2011 · N8700M · Substantial damage
  > The non-instrument-rated pilot's decision to attempt a flight into instrument meteorological conditions, which resulted in the pilot’s spatial disorientation and subsequent loss of control of the airplane.
- [NTSB CEN12FA080](https://openairdocs.org/ntsb/CEN12FA080.md): Diamond Aircraft Ind DA 20-C1 · Bern, WI · Accident · 1 fatal · Field investigation · Final report · Nov 24, 2011 · N203MK · Substantial damage
  > The non-instrument-rated pilot's continued visual flight into instrument meteorological conditions, which resulted in a loss of control and subsequent impact with the terrain.
- [NTSB WPR12FA040](https://openairdocs.org/ntsb/WPR12FA040.md): Cessna T337 · Casper, WY · Accident · 1 fatal · Field investigation · Final report · Nov 18, 2011 · N357 · Substantial damage
  > The pilot's failure to maintain airspeed and airplane control while maneuvering in low visibility and icing conditions.
- [NTSB CEN12FA072](https://openairdocs.org/ntsb/CEN12FA072.md): Piper PA-28-180 · Perryville, AR · Accident · 4 fatal · Field investigation · Final report · Nov 17, 2011 · N7746W · Substantial damage
  > The pilot's loss of control in flight.
- [NTSB ERA12WA099](https://openairdocs.org/ntsb/ERA12WA099.md): Cessna 210 · Cuiaba, Brazil · Accident · 4 fatal · Foreign investigation · Nov 12, 2011 · PT-VMG · Substantial damage
  > On November 12, 2011, about 2000 universal coordinated time, a Cessna 210N, Brazilian registration PT-VMG, was substantially damaged when it impacted terrain shortly after takeoff in Cuiaba Municipality, State of Mato Grosso, Brazil. The Brazilian…
- [NTSB CEN12LA061](https://openairdocs.org/ntsb/CEN12LA061.md): Cessna 401A · Gladewater, TX · Accident · Serious injuries · Limited investigation · Final report · Nov 12, 2011 · N531MH · Substantial damage
  > The pilot’s failure to maintain control of the airplane during the landing and attempted go-around in a gusty crosswind.
- [NTSB CEN12WA092](https://openairdocs.org/ntsb/CEN12WA092.md): Socata TBM 700 · Lyon, France · Accident · 1 fatal · Foreign investigation · Nov 9, 2011 · N228CX · Substantial damage
- [NTSB WPR12FA031](https://openairdocs.org/ntsb/WPR12FA031.md): Cessna 182Q · Lake Havasu City, AZ · Accident · 3 fatal · Field investigation · Final report · Nov 7, 2011 · N4701N · Substantial damage
  > The pilot's continued cruise flight into cloudy conditions at night, which resulted in a loss of airplane control due to spatial disorientation.
- [NTSB ANC12LA002](https://openairdocs.org/ntsb/ANC12LA002.md): Cessna 207A · Kwigillingok, AK · Accident · Minor injuries · Limited investigation · Final report · Nov 7, 2011 · N6314H · Substantial damage
  > The pilot's failure to abort the takeoff when he realized the airplane could not attain sufficient takeoff and climb performance and his improper decision to depart from an airport where night operations were prohibited.
- [NTSB ERA12FA057](https://openairdocs.org/ntsb/ERA12FA057.md): Eckenrode Carl J Vans RV-6 · Taylorsville, GA · Accident · 1 fatal · Field investigation · Final report · Nov 1, 2011 · N262MA · Substantial damage
  > The airplane's entry into an uncontrolled descent for reasons that could not be determined because postaccident examination of the airplane and the pilot’s medical history did not reveal any anomalies that would have precluded normal operation.
- [NTSB ERA12CA054](https://openairdocs.org/ntsb/ERA12CA054.md): Aeros Trike · Amherst, VA · Accident · Serious injuries · Data collection · Final report · Oct 30, 2011 · N6111F · Substantial damage
  > The student pilot's inadequate aircraft control and improper airspeed while maneuvering to land, which resulted in a stall. Contributing to the accident was the pilot's lack of experience in the make and model of the accident aircraft.
- [NTSB ANC12FA006](https://openairdocs.org/ntsb/ANC12FA006.md): Eurocopter AS 350 B2 · Iliamna, AK · Accident · 1 fatal · Field investigation · Final report · Oct 30, 2011 · N165EH · Destroyed
  > The pilot's loss of control due to sudden medical impairment or incapacitation.
- [NTSB ERA12FA052](https://openairdocs.org/ntsb/ERA12FA052.md): Interplane S R O Skyboy · Miami, FL · Accident · 2 fatal · Field investigation · Final report · Oct 29, 2011 · N58784 · Substantial damage
  > The pilot’s failure to maintain control of the airplane while flying at low speed, which resulted in a subsequent aerodynamic stall, spin, and impact with terrain. Contributing to the outcome of the accident was the pilot’s decision to operate the airplane…
- [NTSB CEN12CA041](https://openairdocs.org/ntsb/CEN12CA041.md): Diamond Aircraft Ind DA 20-C1 · Pueblo, CO · Accident · No injuries · Data collection · Final report · Oct 24, 2011 · N942DA · Substantial damage
  > The certified flight instructor’s delayed remedial action. Contributing to the accident was the student pilot's failure to maintain control prior to the landing.
- [NTSB ERA12WA041](https://openairdocs.org/ntsb/ERA12WA041.md): Bell 412 · Santa Rosa, Venezuela · Accident · Serious injuries · Foreign investigation · Oct 15, 2011 · YVO126 · Substantial damage
  > On October 15, 2011, at 1933 UTC, a Bell 412SP, YV0126, registered to and operated by Electrificacion del Caroni (EDELCA), as a business flight, collided with trees while on approach to Macagua Airport, Santa Rosa, Venezuela. The Venezuelan Government…
- [NTSB ERA12FA051](https://openairdocs.org/ntsb/ERA12FA051.md): Cessna 150F · Moncks Corner, SC · Accident · 1 fatal · Field investigation · Final report · Oct 13, 2011 · N3086X · Substantial damage
  > The debilitating effects of ethylene glycol poisoning, which resulted in the pilot’s inability to maintain control of the airplane.
- [NTSB CEN12CA064](https://openairdocs.org/ntsb/CEN12CA064.md): Cessna 210F · Phillipsburg, KS · Accident · No injuries · Data collection · Final report · Oct 10, 2011 · N615BT · Substantial damage
  > The pilot’s improper recovery from a bounced landing.
- [NTSB ERA12FA007](https://openairdocs.org/ntsb/ERA12FA007.md): Cessna 207A · Matinicus Island, ME · Accident · 1 fatal · Field investigation · Final report · Oct 5, 2011 · N70437 · Substantial damage
  > The pilot’s failure to maintain airplane control during the approach after encountering a gusty crosswind, which resulted in an accelerated stall and uncontrolled descent.
- [NTSB ERA12FA006](https://openairdocs.org/ntsb/ERA12FA006.md): Harry L. Weber Arion LI · Hedgesville, WV · Accident · 1 fatal · Field investigation · Final report · Oct 5, 2011 · N747HW · Substantial damage
  > An aerodynamic stall at low altitude due to the pilot’s acute cardiac event.
- [NTSB WPR12FA001](https://openairdocs.org/ntsb/WPR12FA001.md): Vaughn Pulsar · West Jordan, UT · Accident · 2 fatal · Field investigation · Final report · Oct 4, 2011 · N91BV · Substantial damage
  > The pilot’s failure to maintain sufficient airspeed and airplane control while initiating a turn during the initial climb after takeoff in a high density altitude environment, above the airplane’s maximum allowable gross weight, and with an overly rich…
- [NTSB CEN12CA009](https://openairdocs.org/ntsb/CEN12CA009.md): Robinson Helicopter R22 Beta · Hibbing, MN · Accident · No injuries · Data collection · Final report · Oct 4, 2011 · N4170M · Substantial damage
  > The private pilot's failure to maintain control of the helicopter during the landing flare.
- [NTSB ERA12CA013](https://openairdocs.org/ntsb/ERA12CA013.md): Loehle Loehle P-40 · Tullahoma, TN · Accident · Minor injuries · Data collection · Final report · Oct 3, 2011 · N414L · Substantial damage
  > The pilot's delayed decision to abort the takeoff.
- [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 WPR11CA467](https://openairdocs.org/ntsb/WPR11CA467.md): Robinson R22 Beta · Douglas, WY · Accident · No injuries · Data collection · Final report · Sep 24, 2011 · N3070S · Substantial damage
  > The pilot's failure to maintain yaw control of the helicopter while hover taxiing in gusty wind conditions.
- [NTSB CEN11LA415](https://openairdocs.org/ntsb/CEN11LA415.md): Bins Tom Kitfox IV · Lafayette, LA · Accident · Serious injuries · Limited investigation · Final report · Sep 24, 2011 · N211KF · Substantial damage
  > The pilot’s loss of control during a forced landing after a loss of engine power for undetermined reasons during takeoff.
- [NTSB CEN11CA682](https://openairdocs.org/ntsb/CEN11CA682.md): Piper PA-28-181 · Texarkana, AR · Accident · No injuries · Data collection · Final report · Sep 24, 2011 · N991TF · Substantial damage
  > The pilot's failure to maintain directional control while landing with a crosswind.
- [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 CEN11FA652](https://openairdocs.org/ntsb/CEN11FA652.md): Concannon Milton Radial ROC · Socorro, NM · Accident · 2 fatal · Field investigation · Final report · Sep 19, 2011 · N91TX · Substantial damage
  > The pilot's failure to maintain adequate airspeed during the visual approach to the runway, which resulted in an aerodynamic stall. Contributing to the accident were the pilot’s lack of experience in the airplane make and model and the possible sedating…
- [NTSB ERA11LA496](https://openairdocs.org/ntsb/ERA11LA496.md): Aero Adventure Zephyr II · Sylacauga, AL · Accident · 1 fatal · Limited investigation · Final report · Sep 18, 2011 · N3577F · Substantial damage
  > The pilot's incapacitation due to a heart attack during takeoff, which led to an in-flight loss of airplane control.
- [NTSB CEN11LA648](https://openairdocs.org/ntsb/CEN11LA648.md): Robinson Helicopter R44 · Ocate, NM · Accident · Serious injuries · Limited investigation · Final report · Sep 15, 2011 · N828PM · Substantial damage
  > The pilot’s failure to apply carburetor heat, which resulted in the formation of carburetor ice and a partial loss of engine power.
- [NTSB ANC11CA098](https://openairdocs.org/ntsb/ANC11CA098.md): Cessna 180A · McGrath, AK · Accident · No injuries · Data collection · Final report · Sep 14, 2011 · N7814A · Substantial damage
  > The pilot's loss of control when encountering a downdraft during the initial climb after takeoff, resulting in a collision with terrain.
- [NTSB WPR11FA448](https://openairdocs.org/ntsb/WPR11FA448.md): Cessna 182H · Stanley, ID · Accident · 2 fatal · Field investigation · Final report · Sep 13, 2011 · N2404X · Substantial damage
  > The pilot's failure to maintain airplane control due to spatial disorientation while executing a turn to reverse his course in dark night and low-visibility conditions. Contributing to the accident was the pilot's decision to initiate the flight into an area…
- [NTSB ERA11WA498](https://openairdocs.org/ntsb/ERA11WA498.md): Beech G-58 · Parana, Brazil · Accident · 3 fatal · Foreign investigation · Sep 13, 2011 · PP-KST · Substantial damage
  > On September 13, 2011, about 1135, Universal Coordinated Time (UTC), a Hawker Beechcraft G-58, Brazilian registration PR-KST, operated by a private owner, lost control during a climb while enroute to Fortaleza do Guapore` Farm, State of Mato Grosso (SSDP),…

Next page: https://openairdocs.org/ntsb-events/240/cases.md?year=2011&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."mKey" IN (SELECT e.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e."isDefiningEvent" AND e."tier2Number" = '240')
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/240/cases?year=2011

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