# NTSB investigations: Intermountain CALLAIR A-9, TX

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 FTW74DRG73](https://openairdocs.org/ntsb/FTW74DRG73.md): Callair A-9 · Lyford, TX · Accident · Serious injuries · Closed · Apr 18, 1974 · N7275V · Substantial damage
- [NTSB FTW73DQG20](https://openairdocs.org/ntsb/FTW73DQG20.md): Callair A-9A · Turkey, TX · Accident · No injuries · Closed · Oct 5, 1972 · N9649Z · Substantial damage
- [NTSB FTW73DPD06](https://openairdocs.org/ntsb/FTW73DPD06.md): Callair A-9 · De Leon, TX · Accident · No injuries · Closed · Aug 22, 1972 · N3576G · Substantial damage
- [NTSB FTW68D0068](https://openairdocs.org/ntsb/FTW68D0068.md): Callair A-9 · Floydada, TX · Accident · No injuries · Closed · Jul 5, 1967 · N7231V · Substantial damage

## 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" = 'TX' 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 ('4570620'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=4570620&state=TX

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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.