# NTSB investigations, OH: Powerplant sys/comp malf/fail

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 ERA24FA310](https://openairdocs.org/ntsb/ERA24FA310.md): Williams John Titan T-51 Mustang · Geneva, OH · Accident · 1 fatal · Class 3 · Field · Final report · Jul 21, 2024 · N751TX · Substantial damage
  > A sudden propeller overspeed and subsequent separation of the propeller blades and hub, while maneuvering at high speed and at low altitude, which resulted in a collision with a tree during the subsequent forced landing attempt.
- [NTSB CEN19LA303](https://openairdocs.org/ntsb/CEN19LA303.md): Phantom Aeronautics X-1 · Van Wert, OH · Accident · No injuries · Class 3 · Limited · Final report · Sep 4, 2019 · N111JC · Substantial damage
  > A loss of engine power due to the separation of the carburetor from the intake socket resulting from the improper installation of the intake silencer.
- [NTSB CEN17FA207](https://openairdocs.org/ntsb/CEN17FA207.md): Varga 2150A · Bowling Green, OH · Accident · 1 fatal · Field investigation · Final report · Jun 1, 2017 · N4635V · Substantial damage
  > The pilot's loss of control due to impairment from carbon monoxide poisoning. Contributing to the accident was the corrosion of the heat exchanger and the failure of maintenance personnel to adequately inspect and repair or replace the exchanger during the…
- [NTSB ENG17IA017](https://openairdocs.org/ntsb/ENG17IA017.md): Douglas DC 9 83 · Dayton, OH · Incident · No injuries · Incident investigation · Final report · Mar 19, 2017 · N881GA · No damage
  > The probable cause of the No. 2 (right) engine fire was an uncontained generator failure. Deformed rotating generator components and/or metal fragments radially released by the generator severed the constant speed drive-to-oil cooler return line located…
- [NTSB CEN15IA365](https://openairdocs.org/ntsb/CEN15IA365.md): Beech V35 · Mount Vernon, OH · Incident · No injuries · Incident investigation · Final report · Aug 16, 2015 · N2059W · No damage
  > The loosening of the flyweight due to the installation of an improperly hardened flyweight carrier, which resulted in the overspeed of the propeller and engine and the subsequent in-flight separation of the propeller.
- [NTSB CEN12TA550](https://openairdocs.org/ntsb/CEN12TA550.md): MD Helicopter 369 · Columbus, OH · Accident · No injuries · Final report · Aug 16, 2012 · N551CP · Substantial damage
  > The failure of a 4th-stage turbine blade due to high-cycle fatigue, which resulted in the loss of engine power.
- [NTSB CEN11LA491](https://openairdocs.org/ntsb/CEN11LA491.md): Beech C35 · Medina, OH · Accident · No injuries · Limited investigation · Final report · Jul 20, 2011 · N1883D · Substantial damage
  > The loss of engine power due to fuel starvation due to an age-related failure of the engine-driven fuel pump. Also causal was the failure of the maintenance facility to overhaul the fuel pump and the failure of the operator to ensure that the pump was…
- [NTSB CEN10CA172](https://openairdocs.org/ntsb/CEN10CA172.md): Kinney Kevin Zenith 601XL · Warren, OH · Accident · No injuries · Data collection · Final report · Mar 20, 2010 · N61601 · Destroyed
  > A total loss of engine power due to the failure of an oil hose due to improper installation of the hose.
- [NTSB CHI08CA284](https://openairdocs.org/ntsb/CHI08CA284.md): Fleet 2 · Leroy, OH · Accident · No injuries · Data collection · Final report · Sep 17, 2008 · N764V · Substantial damage
  > The loss of engine power due to the propeller hub failure during a low-level maneuver. Contributing to the accident were the trees encountered during the forced landing.
- [NTSB CHI08CA139](https://openairdocs.org/ntsb/CHI08CA139.md): Cessna 172N · Blue Ash, OH · Accident · No injuries · Data collection · Final report · May 24, 2008 · N75528 · Substantial damage
  > The separation of the throttle cable from the linkage during the approach to land and the altitude/clearance not being available to the pilot during the forced landing. Contributing to the accident was the electrical wires the airplane impacted.
- [NTSB CHI08CA103](https://openairdocs.org/ntsb/CHI08CA103.md): Koleno Titan T-51 · Geneva, OH · Accident · No injuries · Data collection · Final report · Apr 3, 2008 · N614TB · Substantial damage
  > The failure of the propeller pitch control mechanism during approach. Contributing to the accident were the inability of the pilot to maintain airspeed and altitude, and the unsuitable 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 c."eventStateOrRegion" = 'OH' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT e.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e."isDefiningEvent" AND e."tier2Number" = '340')
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/340/cases?state=OH

---
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.