# NTSB investigations: Lycoming IO-540-D4A5, 2016

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 CEN17FA035](https://openairdocs.org/ntsb/CEN17FA035.md): Stamper RV-10 · Dubois, WY · Accident · 1 fatal · Field investigation · Final report · Nov 5, 2016 · N924WY · Destroyed
  > The pilot's failure to maintain adequate airspeed after becoming distracted by the opening of the gull-wing cabin door during takeoff, which resulted in the airplane exceeding its critical angle of attack and experiencing an aerodynamic stall at a low…
- [NTSB ERA17CA008](https://openairdocs.org/ntsb/ERA17CA008.md): Algimantas Jonusas RV-10 · Ashwood, VA · Accident · Serious injuries · Data collection · Final report · Oct 7, 2016 · N100UK · Substantial damage
  > The noninstrument-rated pilot's inadequate preflight and in-flight weather planning and continued flight into instrument meteorological conditions, which resulted in impact with trees and terrain.

## 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 year(c."eventDate") = 2016
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41798'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41798&year=2016

---
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.