# NTSB investigations: CFM International CFM56 series, 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.

## Latest cases

- [NTSB CEN12IA123](https://openairdocs.org/ntsb/CEN12IA123.md): Boeing 737-7H4 · Denver, CO · Incident · No injuries · Incident investigation · Final report · Dec 22, 2011 · N469WN · Minor damage
  > The snowplow operator’s incapacitation due to fatigue, which resulted in the snowplow contacting a parked airplane. Contributing to the incident was the company’s lack of a policy regarding employee fatigue.
- [NTSB OPS12IA167](https://openairdocs.org/ntsb/OPS12IA167.md): Learjet 45 · Chicago, IL · Incident · No injuries · Incident investigation · Final report · Dec 1, 2011 · N570AM · 2 aircraft · No damage
  > The tower local controller did not ensure that the runway was clear of conflict before directing the B737 to cross the runway, and other air traffic control personnel did not effectively intervene when the separation between the two airplanes became…
- [NTSB DCA12CA043](https://openairdocs.org/ntsb/DCA12CA043.md): Airbus Industrie A320 211 · Minneapolis, MN · Accident · No injuries · Data collection · Final report · Nov 10, 2011 · N331NW · Substantial damage
  > In-flight collision with birds during initial climb, which resulted in substantial damage to the aircraft.
- [NTSB ERA11CA296](https://openairdocs.org/ntsb/ERA11CA296.md): Boeing 737-732 · Atlanta, GA · Accident · No injuries · Data collection · Final report · May 12, 2011 · N308DE · 2 aircraft · Minor damage
  > The B737-700 pilot did not maintain adequate wing tip clearance while taxiing around the stopped B-737-800.
- [NTSB DCA11FA052](https://openairdocs.org/ntsb/DCA11FA052.md): Boeing 737 · Greenville, MS · Accident · No injuries · Field investigation · Final report · May 6, 2011 · N12221 · Substantial damage
  > The failure of a utility pipe beneath the ramp surface, which caused a localized void in the soil and resulting reduction in the load bearing capability of the ramp.
- [NTSB CEN11IA198](https://openairdocs.org/ntsb/CEN11IA198.md): Boeing 737-823 · Southlake, TX · Incident · No injuries · Incident investigation · Final report · Feb 21, 2011 · N945AN · Minor damage
  > The tractor driver’s failure to confirm that the tow bar head/handle was secured correctly to the airplane.

## 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 x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('13802'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=13802&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.