# NTSB investigations: Yakovlev YAK 52: Collision with terr/obj (non-CFIT)

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 GAA18CA540](https://openairdocs.org/ntsb/GAA18CA540.md): Yakovlev YAK 52 · East Stroudsburg, PA · Accident · No injuries · Data collection · Final report · Aug 25, 2018 · N3042W · Substantial damage
  > The pilot's failure to extend the landing gear during landing, which resulted in a runway excursion and subsequent impact with terrain.
- [NTSB CEN15FA240](https://openairdocs.org/ntsb/CEN15FA240.md): Yakovlev YAK 52 · Syracuse, KS · Accident · 1 fatal · Field investigation · Final report · May 25, 2015 · N124FS · Substantial damage
  > The pilot’s failure to maintain airplane control while maneuvering at low altitude, which resulted in the airplane’s wing exceeding its critical angle-of-attack and a subsequent aerodynamic stall.
- [NTSB ERA12FA565](https://openairdocs.org/ntsb/ERA12FA565.md): Yakovlev YAK 52 · Brownsboro, AL · Accident · 2 fatal · Field investigation · Final report · Sep 16, 2012 · N2207X · Substantial damage
  > The pilot's loss of control while performing a low-level aerobatic maneuver, which resulted in collision with terrain.
- [NTSB SEA08LA120](https://openairdocs.org/ntsb/SEA08LA120.md): Yakovlev Yak 52 · Vancouver, WA · Accident · 2 fatal · Limited investigation · Final report · May 2, 2008 · N62813 · Substantial damage
  > The pilot's failure to maintain an airspeed sufficient to avoid a stall during a low altitude aerobatic maneuver. Contributing to the accident was the low altitude at which the pilot initiated the maneuver.

## 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 ('9830220')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s.case_mkey = x.case_mkey AND s.aircrafts_position = x.position AND s."tier2Number" = '470' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE "isDefiningEvent")))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/470/sequence?model=9830220

---
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.