# Fatal NTSB investigations: Ivchenko AI-25TL

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 CEN25FA269](https://openairdocs.org/ntsb/CEN25FA269.md): Aero Vodochody L-39C · Granite Falls, MN · Accident · 1 fatal · Class 3 · Field · Preliminary report · Jul 21, 2025 · N339L · Substantial damage
  > On July 21, 2025, about 1728 central daylight time, an Aero Vodochody L-39C airplane, N339L, was substantially damaged during an accident near Granite Falls, Minnesota. The flight instructor, seated in the front seat, sustained serious injuries after ejecting…
- [NTSB CEN18FA004](https://openairdocs.org/ntsb/CEN18FA004.md): Aero Vodochody L39C · Vernon, TX · Accident · 1 fatal · Field investigation · Final report · Oct 8, 2017 · N580LL · Destroyed
  > An in-flight loss of control and collision with terrain for reasons that could not be determined based on the available information.
- [NTSB WPR16FA035](https://openairdocs.org/ntsb/WPR16FA035.md): Aero Vodochody L 39C · Apple Valley, CA · Accident · 2 fatal · Field investigation · Final report · Dec 6, 2015 · N39AY · Destroyed
  > A total loss of engine power on takeoff, which resulted from a sudden over-temperature condition due to an improperly adjusted fuel control unit and the deteriorated condition of the fuel nozzles.
- [NTSB CEN12LA602](https://openairdocs.org/ntsb/CEN12LA602.md): Aero Vodochody L39C · Davenport, IA · Accident · 1 fatal · Limited investigation · Final report · Sep 1, 2012 · N139GS · Destroyed
  > The loss of airplane control for reasons that could not be determined because postaccident examination did not reveal any anomalies that would have precluded operation.
- [NTSB WPR12FA216](https://openairdocs.org/ntsb/WPR12FA216.md): Aero Vodochody L-39 · Boulder City, NV · Accident · 2 fatal · Field investigation · Final report · May 18, 2012 · N39WT · Substantial damage
  > An in-flight emergency followed by a collision with terrain for reasons that could not be determined because postaccident examination of the airframe, engine, and forward and aft canopies revealed no evidence of mechanical malfunctions or failures that would…

## 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."highestInjuryLevel" = 'Fatal'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('34703'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=34703&fatal=1

---
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.