# NTSB investigations: Aero Commander CALLAIR A-9B, SD

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 DEN86FTK02](https://openairdocs.org/ntsb/DEN86FTK02.md): Aero Commander Callair A-9B · Dell Rapids, SD · Accident · No injuries · Final report · May 20, 1986 · N7757V · Substantial damage
  > The plt stated that during the takeoff roll, he lost rudder effectiveness after accelerating to about 60 KTS. He applied brakes to stop, but the acft veered off the left side of the rwy & struck a fence. No preimpact part failure or malfunction was reported.…
- [NTSB DEN82FTK04](https://openairdocs.org/ntsb/DEN82FTK04.md): Callair A-9B · Sioux Falls, SD · Accident · No injuries · Final report · May 27, 1982 · N7769V · Substantial damage
  > The eng quit & the plt landed in an adjacent field after first hitting a wooded fence. An inspectin of the bendix fuel servo unit, model PSA-10ED-1, revealed that the fuel diaphragm stem, pn 2539806, had failed.
- [NTSB MKC70F0071](https://openairdocs.org/ntsb/MKC70F0071.md): Aero Comdr A-9B · Colome, SD · Accident · Minor injuries · Closed · Jul 22, 1969 · N7687V · Substantial damage
- [NTSB MKC69F0469](https://openairdocs.org/ntsb/MKC69F0469.md): Callair A-9B · Miller, SD · Accident · Serious injuries · Closed · May 29, 1969 · N7259V · 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" = 'SD' 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 ('0144206'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=0144206&state=SD

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