# NTSB investigations: Yakovlev YAK 52, 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 WPR24FA309](https://openairdocs.org/ntsb/WPR24FA309.md): Nanchang China CJ-6A · Lancaster, CA · Accident · 1 fatal · Class 3 · Field · Final report · Sep 22, 2024 · N313YK · 2 aircraft · Substantial damage
  > The CJ-6A pilot’s failure to maintain separation and the Yak pilot’s failure to monitor the other airplane during a detachment, which resulted in a midair collision.
- [NTSB WPR17LA094](https://openairdocs.org/ntsb/WPR17LA094.md): Yakovlev YAK 52 · Porterville, CA · Accident · Minor injuries · Limited investigation · Final report · Apr 29, 2017 · N132MD · Substantial damage
  > A partial loss of engine power due to contaminants in the fuel system that decreased the fuel flow, the source of which could not be determined.
- [NTSB WPR10FA131](https://openairdocs.org/ntsb/WPR10FA131.md): Yakovlev YAK 52 · Redlands, CA · Accident · 2 fatal · Field investigation · Final report · Feb 8, 2010 · N52VY · Substantial damage
  > The pilot's failure to maintain aircraft control and altitude sufficient to recover from a low-level aerobatic maneuver.
- [NTSB LAX02LA202](https://openairdocs.org/ntsb/LAX02LA202.md): Yakovlev YAK 52 · Antioch, CA · Accident · 1 fatal · Limited investigation · Final report · Jun 18, 2002 · N644LL · Destroyed
  > The loss of control while performing acrobatic maneuvers due to a screwdriver restricting elevator travel. A contributing factor was the airplane's fuselage not being sterile of foreign objects.

## 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 ('9830220'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=9830220&state=CA

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