# NTSB investigations: Boeing A75N1(PT17), 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 CEN11LA606](https://openairdocs.org/ntsb/CEN11LA606.md): Boeing A75N1(PT17) · Mt. Clemens, MI · Accident · 1 fatal · Limited investigation · Final report · Aug 21, 2011 · N49739 · 2 aircraft · No damage
  > The wing walker’s decision to release his grip of the airplane during an attempted aerial transfer from airplane to helicopter before both aircraft achieved the proper relative positioning for the transfer.
- [NTSB CEN11LA578](https://openairdocs.org/ntsb/CEN11LA578.md): Boeing A75N1(PT17) · Fabens, TX · Accident · Serious injuries · Limited investigation · Final report · Aug 14, 2011 · N53473 · Substantial damage
  > The pilot’s decision to continue the high density altitude takeoff with reduced engine power and his decision to initiate a turn back to the runway with insufficient airspeed, which resulted in an aerodynamic stall.
- [NTSB CEN11LA375](https://openairdocs.org/ntsb/CEN11LA375.md): Boeing A75N1(PT17) · Junction City, KS · Accident · No injuries · Limited investigation · Final report · Jun 4, 2011 · N50052 · Substantial damage
  > The degraded engine performance due to low compression on the cylinder and delayed ignition timing.
- [NTSB CEN11LA365](https://openairdocs.org/ntsb/CEN11LA365.md): Boeing A75N1 (PT17) · Freemont, MI · Accident · Minor injuries · Limited investigation · Final report · May 27, 2011 · N60147 · Substantial damage
  > The pilot’s failure to attain a positive climb rate following takeoff for reasons that could not be determined because the propeller was not provided for further examination. Contributing to the accident was the pilot's impairment from alcohol.
- [NTSB CEN11CA256](https://openairdocs.org/ntsb/CEN11CA256.md): Boeing A75N1(PT17) · Wichita, KS · Accident · No injuries · Data collection · Final report · Mar 25, 2011 · N68117 · Substantial damage
  > The pilot's failure to maintain directional control during the landing roll.

## 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.aircraft_model_code IN ('1380134'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=1380134&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.