# NTSB investigations: Jacobs L4 /R755-7: Nose over/nose down

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 WPR13CA207](https://openairdocs.org/ntsb/WPR13CA207.md): Waco YKS-7 · Rialto, CA · Accident · No injuries · Data collection · Final report · Apr 26, 2013 · N17472 · Substantial damage
  > The pilot’s failure to maintain directional control and his improper brake usage during the landing roll in a crosswind condition.
- [NTSB NYC08CA240](https://openairdocs.org/ntsb/NYC08CA240.md): Cessna C-195 · Johnstown, NY · Accident · No injuries · Data collection · Final report · Jul 5, 2008 · N4380N · Substantial damage
  > The pilot's failure to maintain aircraft control during the landing roll.

## 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.engine_model_code IN ('35003')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e.case_mkey = x.case_mkey AND e.aircrafts_position = x.position AND e."isDefiningEvent" AND e."tier2Number" = '096'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/096/cases?engine=35003

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