# NTSB investigations: Lycoming IO-320 series: Sys/Comp malf/fail (non-power)

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 WPR24LA275](https://openairdocs.org/ntsb/WPR24LA275.md): Piper PA-30 · Concord, CA · Accident · No injuries · Class 3 · Limited · Final report · Aug 9, 2024 · N8458Y · Substantial damage
  > The failure of the main landing gear to extend and lock for reasons that could not be determined based on the available information. Contributing to the accident was a mechanical failure of the manual landing gear release mechanism due to inadequate clearance…
- [NTSB WPR24LA061](https://openairdocs.org/ntsb/WPR24LA061.md): Glasair SH2 · Prescott, AZ · Accident · No injuries · Class 3 · Limited · Final report · Dec 26, 2023 · N29TT · Substantial damage
  > Loss of directional control during landing due to an improperly constructed and maintained tailwheel locking assembly.
- [NTSB ERA22LA138](https://openairdocs.org/ntsb/ERA22LA138.md): Piper PA-30 · Farmingdale, NY · Accident · No injuries · Class 4 · Limited · Final report · Feb 28, 2022 · N7943Y · Substantial damage
  > The flight crew’s failure to verify the landing gear position prior to landing. Contributing to the accident was an overload in the landing gear motor electrical circuit which resulted in the circuit breaker opening, preventing the landing gear from extending.
- [NTSB CEN18LA271](https://openairdocs.org/ntsb/CEN18LA271.md): Steen Skybolt · Lexington, TX · Accident · No injuries · Limited investigation · Final report · Jul 14, 2018 · N22GL · Substantial damage
  > The fatigue failure of the main landing gear (MLG) truss, which resulted in the MLG spreading apart.
- [NTSB ERA14LA178](https://openairdocs.org/ntsb/ERA14LA178.md): Bellanca 8KCAB · Bay St Louis, MS · Accident · Minor injuries · Limited investigation · Final report · Mar 30, 2014 · N11FS · Substantial damage
  > A sudden fuel leak, which resulted in a postlanding fire; the origin of the leak could not be determined due to fire damage.
- [NTSB CEN13LA231](https://openairdocs.org/ntsb/CEN13LA231.md): Needham Stoddard-Hamilton TD · Bloomington, IN · Accident · No injuries · Limited investigation · Final report · Apr 14, 2013 · N95RL · Substantial damage
  > The improper installation of a rudder control cable connector and its subsequent separation from the bellcrank, which resulted in the loss of directional control during takeoff.
- [NTSB WPR12LA366](https://openairdocs.org/ntsb/WPR12LA366.md): Piper PA-30 B · Scappoose, OR · Accident · No injuries · Limited investigation · Final report · Aug 23, 2012 · N222BP · Substantial damage
  > The failure of the landing gear to fully extend as a result of a failure of the landing gear transmission assembly for reasons that could not be determined based on the available evidence.
- [NTSB ERA11CA396](https://openairdocs.org/ntsb/ERA11CA396.md): Piper PA-30 · Plant City, FL · Accident · No injuries · Data collection · Final report · Jul 10, 2011 · N325EE · Substantial damage
  > The failure of a screw in the nose landing gear aligner assembly for undetermined reasons, which prevented the landing gear from fully extending.
- [NTSB MIA08CA095](https://openairdocs.org/ntsb/MIA08CA095.md): Champion 7KCAB · Alexander City, AL · Accident · No injuries · Data collection · Final report · Apr 23, 2008 · N1682G · Substantial damage
  > The separation of the right tail wheel spring on landing roll out for undetermined reasons, resulting in a loss of directional control and collision with a ditch.

## 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 ('41509')
    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" = '330'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/330/cases?engine=41509

---
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.