# NTSB investigations, 2011, UT: 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.

## Latest cases

- [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 WPR11CA435](https://openairdocs.org/ntsb/WPR11CA435.md): Aerostar International S-60A · Park City, UT · Accident · Serious injuries · Data collection · Final report · Sep 6, 2011 · N7154E · Substantial damage
  > The pilot’s failure to maintain control of the balloon during the landing on uneven ground.
- [NTSB WPR11LA270](https://openairdocs.org/ntsb/WPR11LA270.md): Six Chuter Skye Ryder Aerochute · Tooele, UT · Accident · 1 fatal · Limited investigation · Final report · Jun 19, 2011 · UNREG · Substantial damage
  > The operation of a powered parachute by a non-certificated pilot. Contributing to the accident was the pilot's decision to conduct a flight in a strong gusty wind.
- [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 WPR11FA232](https://openairdocs.org/ntsb/WPR11FA232.md): Cessna T207A · Monument Valley, UT · Accident · Serious injuries · Field investigation · Final report · May 23, 2011 · N803AN · Substantial damage
  > The pilot's decision to initiate a go-around after a bounced landing at an airport where go-arounds were not advised and his failure to maintain adequate airspeed during the go-around.
- [NTSB WPR11LA175](https://openairdocs.org/ntsb/WPR11LA175.md): Cessna 172N · Spanish Fork, UT · Accident · Serious injuries · Limited investigation · Final report · Mar 21, 2011 · N739DG · Substantial damage
  > The student pilot's inadequate compensation for the gusting wind, which resulted in a loss of airplane control during landing. Contributing to the accident was the pilot's decision to depart with a high gusting wind.
- [NTSB WPR11LA151](https://openairdocs.org/ntsb/WPR11LA151.md): Bell 206B-III · Tooele, UT · Accident · No injuries · Limited investigation · Final report · Mar 1, 2011 · N206BY · Substantial damage
  > The pilot did not maintain yaw control of the helicopter during a maneuvering hover. Contributing to the accident was the pilot’s lack of experience in the make and model helicopter.
- [NTSB WPR11FA147](https://openairdocs.org/ntsb/WPR11FA147.md): Neefjes Lancair 360 MK-II · Milford, UT · Accident · 1 fatal · Field investigation · Final report · Feb 27, 2011 · N989TT · Substantial damage
  > The pilot's loss of control of the airplane due to spatial disorientation after inadvertently entering instrument meteorological conditions. Contributing to the accident were the pilot's inadequate preflight preparation, his en route decision-making, and his…

## 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."eventStateOrRegion" = 'UT' AND c."eventCountry" = 'USA'
  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?state=UT&year=2011

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