# NTSB investigations: Lycoming O-540-B4B5: Loss of control on ground

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 ERA25LA013](https://openairdocs.org/ntsb/ERA25LA013.md): Maule M8 · Rowlesburg, WV · Accident · No injuries · Class 4 · Limited · Final report · Oct 12, 2024 · N205MX · Substantial damage
  > The pilot’s failure to maintain directional control during the landing.
- [NTSB ERA23LA160](https://openairdocs.org/ntsb/ERA23LA160.md): Maule M-7-235C · Abbeville, SC · Accident · Serious injuries · Class 4 · Limited · Final report · Mar 20, 2023 · N79VE · Substantial damage
  > A loss of directional control during landing, which resulted in a ground loop and substantial damage to the airplane. The pilot flying could not be determined since both pilots claimed that the other was at the controls during the landing. The flight…
- [NTSB ERA09CA416](https://openairdocs.org/ntsb/ERA09CA416.md): Maule M7 · Turner, ME · Accident · Minor injuries · Data collection · Final report · Jul 23, 2009 · N595Z · Substantial damage
  > The pilot's failure to maintain aircraft control during the landing rollout.
- [NTSB LAX08CA081](https://openairdocs.org/ntsb/LAX08CA081.md): Maule M-8-235 · Grangeville, ID · Accident · No injuries · Data collection · Final report · Mar 22, 2008 · N205MX · Substantial damage
  > The pilot's failure to maintain directional control during the landing roll, which resulted in a ground loop/swerve. A contributing factor was the pilot's lack of recent experience.

## 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 ('42340')
    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" = '230'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/230/cases?engine=42340

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