# NTSB investigations: Boeing A75N1(PT17), MI

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 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 CHI99LA199](https://openairdocs.org/ntsb/CHI99LA199.md): Boeing Stearman B75N1 · Kalamazoo, MI · Accident · No injuries · Limited investigation · Final report · Jun 26, 1999 · N2PP · Substantial damage
  > The pilot's failure to maintain directional control of the airplane during landing. A factor was the variable wind condition.
- [NTSB CHI85LA239](https://openairdocs.org/ntsb/CHI85LA239.md): Boeing A75N1 · Deckerville, MI · Accident · No injuries · Limited investigation · Final report · Jun 16, 1985 · N57250 · Substantial damage
  > Purpose of the flt was a 'flour bombing contest'. After dropping a 'flour bomb' the plt entered a right bank to avoid trees along the flt path. The acft then stalled and impacted the ground on the main gear after which it nosed over.

## 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 c."eventStateOrRegion" = 'MI' AND c."eventCountry" = 'USA'
  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&state=MI

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