# NTSB investigations: Aero Commander CALLAIR A-9B: Loss of engine power(total) - mech failure/malf

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 SEA03FA179](https://openairdocs.org/ntsb/SEA03FA179.md): Aero Commander Callair A-9B · Driggs, ID · Accident · No injuries · Field investigation · Final report · Aug 25, 2003 · N7924V · Substantial damage
  > A loss of engine power due to the improper installation of a counterweight roller pin retaining washer circlip, leading to the circlip coming out of its groove and the counterweight roller pin coming in contact with two of the engines connecting rods.…
- [NTSB MKC89LA080](https://openairdocs.org/ntsb/MKC89LA080.md): Callair A9-B · Fisher, AR · Accident · No injuries · Limited investigation · Final report · Mar 13, 1989 · N7701V · Substantial damage
  > Failure of the engine magneto resulting in engine failure.
- [NTSB MIA88FA178](https://openairdocs.org/ntsb/MIA88FA178.md): Rockwell A9B · Marianna, FL · Accident · Serious injuries · Field investigation · Final report · May 25, 1988 · N7787V · Substantial damage
  > The acft sustained a complete & sudden power loss while engaged in ag operations at low alt. The prop, fwd portion of the crankshaft, cyl head & other eng parts separated from the acft. The acft struck a row of 40 ft trees & crashed to the grnd. An exam of…
- [NTSB MKC87LA152](https://openairdocs.org/ntsb/MKC87LA152.md): Aero Commander Callair A9-B · Osgood, MO · Accident · No injuries · Limited investigation · Final report · Jul 31, 1987 · N7726V · Substantial damage
  > During an aerial application operation, pilot experienced partial power loss and vibration, followed by a loud explosive sound and total loss of power. An emergency ldg was made followed by a nose over. Postaccident inspection revealed the entire propeller…
- [NTSB LAX86FVD06](https://openairdocs.org/ntsb/LAX86FVD06.md): Callair A-9B · Lodi, CA · Accident · Minor injuries · Final report · Mar 8, 1986 · N7688V · Destroyed
  > Pilot was returning to Lodi airport after aerial application when the engine lost oil pressure. The engine seized, and a forced landing was made in a vineyard.
- [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.

## 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."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('0144206')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 351))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=0144206&occurrence=351

---
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.
