# 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 7 · 313 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 CEN12FA108](https://openairdocs.org/ntsb/CEN12FA108.md): Piper PA-32-260 · Bryan, TX · Accident · 5 fatal · Field investigation · Final report · Dec 20, 2011 · N3590T · Substantial damage
  > The pilot’s inadvertent encounter with severe weather, which resulted in the airplane’s left wing failing in positive overload. Contributing to the accident was the pilot’s reliance on outdated weather information that he received on his in-cockpit…
- [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 WPR12FA059](https://openairdocs.org/ntsb/WPR12FA059.md): Vans RV7 - A · Surprise, AZ · Accident · 1 fatal · Field investigation · Final report · Dec 10, 2011 · N724WD · Substantial damage
  > An electrical or engine electronic problem, which resulted in a loss of engine power, followed by a low-altitude stall.
- [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 CEN12FA100](https://openairdocs.org/ntsb/CEN12FA100.md): Cessna 421C · Sioux Falls, SD · Accident · 4 fatal · Field investigation · Final report · Dec 9, 2011 · N421SY · Substantial damage
  > The pilot’s failure to maintain adequate airspeed after shutting down one engine, which resulted in an inadvertent aerodynamic stall and impact with terrain. Contributing to the accident was the pilot’s failure to follow the guidance contained in the pilot’s…
- [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 ERA12CA096](https://openairdocs.org/ntsb/ERA12CA096.md): Thompson Tommy W Loehle P5151 · Courtland, AL · Accident · Serious injuries · Data collection · Final report · Dec 4, 2011 · N212WE · Substantial damage
  > The airplane's inadvertent encounter with excessive windshear while on the downwind traffic pattern leg at low altitude, which resulted in the pilot's inability to arrest the airplane’s descent. Contributing to the accident was the pilot's decision to fly the…
- [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 CEN12FA088](https://openairdocs.org/ntsb/CEN12FA088.md): Piper PA-31 · New Orleans, LA · Accident · 1 fatal · Field investigation · Final report · Nov 30, 2011 · N6485L · Minor damage
  > The pilot's fatal cardiac event, which resulted in the inflight loss of control of the airplane. Contributing to the accident was the pilot's use of impairing medications and operation of the airplane with disqualifying medical conditions.
- [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 CEN12LA071](https://openairdocs.org/ntsb/CEN12LA071.md): Juve Richard G Zodiac CH601 HDS · Clinton, AR · Accident · Serious injuries · Limited investigation · Final report · Nov 17, 2011 · N274 · Substantial damage
  > The inadvertent opening of the canopy during takeoff due to the improperly repaired forward canopy latch mechanism, which did not fully secure the canopy.
- [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 ERA12FA068](https://openairdocs.org/ntsb/ERA12FA068.md): Cirrus Design SR22 · Boynton Beach, FL · Accident · 2 fatal · Field investigation · Final report · Nov 13, 2011 · N661FT · Substantial damage
  > The right seat pilot's decision to attempt a low-altitude aerobatic maneuver in a non-aerobatic airplane.
- [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 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 CEN12CA038](https://openairdocs.org/ntsb/CEN12CA038.md): Pipistrel Sinus 912 · Indianapolis, IN · Accident · No injuries · Data collection · Final report · Oct 16, 2011 · N9013H · Substantial damage
  > The pilot's failure to maintain directional control of the motor-glider while landing in gusty wind conditions.
- [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 CEN12LA012](https://openairdocs.org/ntsb/CEN12LA012.md): Taylorcraft BL-65 · Easton, MO · Accident · Minor injuries · Limited investigation · Final report · Oct 8, 2011 · N27492 · Substantial damage
  > Debris in the fuel system, which resulted in a loss of engine power due to fuel starvation. Also causal was the pilot not maintaining sufficient airspeed, which resulted in an aerodynamic stall.
- [NTSB CEN12FA010](https://openairdocs.org/ntsb/CEN12FA010.md): Brinkerhuff Gerald G Q200 · Holland, MI · Accident · 1 fatal · Field investigation · Final report · Oct 6, 2011 · N2935R · Substantial damage
  > The pilot failed to maintain sufficient altitude during the landing approach, which resulted in the airplane contacting an approach light. Contributing to the accident was the setting sun, which most likely obscured the pilot’s vision.
- [NTSB ERA12FA008](https://openairdocs.org/ntsb/ERA12FA008.md): Aviat A-1 · Moyock, NC · Accident · 1 fatal · Field investigation · Final report · Oct 5, 2011 · N11HU · Substantial damage
  > The operation of the airplane by a non-certificated pilot, and his failure to maintain adequate airspeed while maneuvering, which resulted in an aerodynamic stall.
- [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.

Next page: https://openairdocs.org/ntsb-events/240/sequence.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 s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s."tier2Number" = '240' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE "isDefiningEvent"))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

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

---
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.