# NTSB investigations: Lycoming VO-435 series, 2019

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 GAA20CA062](https://openairdocs.org/ntsb/GAA20CA062.md): Bell 47G · Groveland, FL · Accident · No injuries · Data collection · Final report · Nov 7, 2019 · N6746D · Substantial damage
  > The student pilot's improper cyclic input after a reported hydraulic failure, the reason for which could not be determined, and his failure to follow the emergency procedures, which resulted in a hard landing.
- [NTSB GAA20CA034](https://openairdocs.org/ntsb/GAA20CA034.md): Bell 47G · King City, CA · Accident · Minor injuries · Data collection · Final report · Oct 18, 2019 · N7060J · Substantial damage
  > The pilot's failure to maintain a proper descent rate, which resulted in a hard landing and the main rotor blades striking the tailboom.
- [NTSB ERA19TA213](https://openairdocs.org/ntsb/ERA19TA213.md): Continental Copters Tomcat MK6C · Franklin, KY · Accident · Minor injuries · Class 3 · Final report · Jul 8, 2019 · N41830 · Substantial damage
  > The pilot’s failure to maintain main rotor rpm after takeoff, which resulted in a collision with terrain.
- [NTSB GAA19CA250](https://openairdocs.org/ntsb/GAA19CA250.md): Bell 47G · Denton, TX · Accident · No injuries · Data collection · Final report · May 6, 2019 · N5990 · Substantial damage
  > The flight instructor's improper decision to instruct the student pilot to establish a hover and reposition the helicopter with a tailwind, which resulted in the student pilot's loss of pitch control.
- [NTSB GAA19CA216](https://openairdocs.org/ntsb/GAA19CA216.md): Bell 47G · Donna, TX · Accident · No injuries · Data collection · Final report · Apr 17, 2019 · N96671 · Substantial damage
  > The pilot's failure to maintain altitude during an agricultural application flight.
- [NTSB CEN19LA067](https://openairdocs.org/ntsb/CEN19LA067.md): Bell 47G · Belen, NM · Accident · No injuries · Limited investigation · Final report · Jan 11, 2019 · N3755Z · Substantial damage
  > The pilot's failure to maintain adequate main rotor speed while the helicopter was in an out-of-ground effect hover.

## 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") = 2019
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41525'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41525&year=2019

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