# NTSB investigations: Learjet 23, CA

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 LAX98LA105](https://openairdocs.org/ntsb/LAX98LA105.md): Learjet 23 · Oakdale, CA · Accident · No injuries · Limited investigation · Final report · Mar 4, 1998 · N37BL · Substantial damage
  > failure of the flight crew to extend the landing gear before landing.
- [NTSB LAX88FA274](https://openairdocs.org/ntsb/LAX88FA274.md): Learjet 23 · Perris, CA · Accident · 2 fatal · Field investigation · Final report · Jul 30, 1988 · N745F · Destroyed
  > The pilot decided to conduct his flight with known aircraft deficiencies. Induced company pressure to deliver the aircraft to its destination is considered to have been a factor in the accident.
- [NTSB LAX78FA040](https://openairdocs.org/ntsb/LAX78FA040.md): Lear 23 · Burbank, CA · Accident · Minor injuries · Closed · Mar 30, 1978 · N133W · Destroyed
- [NTSB LAX73FUM21](https://openairdocs.org/ntsb/LAX73FUM21.md): Lear Jet 23 · Carlsbad, CA · Accident · No injuries · Closed · Mar 8, 1973 · N332PC · 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" = 'CA' 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 ('5170102'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=5170102&state=CA

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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.
