# NTSB investigations, OH: 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 ERA26LA333](https://openairdocs.org/ntsb/ERA26LA333.md): Cirrus Design SR22 · Ashland, OH · Accident · No injuries · Class 3 · Limited · Preliminary report · Sep 7, 2026 · N521LM · Substantial damage
  > On September 7, 2026, about 1255 eastern daylight time, a Cirrus Design Corp SR22, N521LM, was substantially damaged when it was involved in an accident near Ashland, Ohio. The pilot was not injured. The airplane was operated as a Title 14 Code of Federal…
- [NTSB ERA25LA223](https://openairdocs.org/ntsb/ERA25LA223.md): Piper PA22 · Hebron, OH · Accident · No injuries · Class 4 · Limited · Final report · Jun 7, 2025 · N6804B · Substantial damage
  > The airplane owner and pilot’s intentional allowance of unapproved maintenance and maintenance personnel’s failure to adequately maintain or service the brake system, which resulted in a total loss of brake pressure.
- [NTSB ERA25LA091](https://openairdocs.org/ntsb/ERA25LA091.md): Helio HT-295 · Marion, OH · Accident · No injuries · Class 3 · Limited · Final report · Jan 5, 2025 · N18JC · Substantial damage
  > The failure of the right main landing gear spring due to intergranular stress-corrosion cracking that progressed into fatigue. Contributing to the accident was the improper rework of the spring at an undetermined time.
- [NTSB ERA22LA310](https://openairdocs.org/ntsb/ERA22LA310.md): Cubcrafters CC11-160 · Findlay, OH · Accident · No injuries · Class 3 · Limited · Final report · Jul 3, 2022 · N55JV · Substantial damage
  > The pilot/mechanic’s inadequate inspection of the faulty horizontal stabilizer trim switch, which resulted in an uncommanded trim movement during the takeoff roll, which resulted in an aborted takeoff, and subsequent nose over.
- [NTSB ENG22LA004](https://openairdocs.org/ntsb/ENG22LA004.md): Beech F33 · Bellefontaine, OH · Occurrence · No injuries · Class 3 · Limited · Final report · Nov 12, 2021 · N9035Q · Minor damage
  > The internal failure of the autopilot pitch servo actuator that caused the autopilot to command a nose down movement of the pitch trim.
- [NTSB CEN21LA395](https://openairdocs.org/ntsb/CEN21LA395.md): Klapp Peter A Klapp KR-2S · Wadsworth, OH · Accident · 1 fatal · Class 3 · Limited · Final report · Sep 3, 2021 · N729PK · Destroyed
  > A loss of airplane control for a reason that could not be determined based on available information.
- [NTSB CEN20CA114](https://openairdocs.org/ntsb/CEN20CA114.md): Vans RV8 · Harrison, OH · Accident · No injuries · Data collection · Final report · Mar 4, 2020 · N878DZ · Substantial damage
  > The malfunction of the steerable tailwheel, which resulted in a loss of directional control during the landing roll and subsequent impact with the precision approach path indicator lights system.
- [NTSB CEN19FA100](https://openairdocs.org/ntsb/CEN19FA100.md): Cessna 421 · Plain City, OH · Accident · 1 fatal · Class 2 · Field · Final report · Mar 17, 2019 · N424TW · Destroyed
  > A loss of airspeed indication due to icing of the airplane's pitot probe, and the pilot's loss of control while maneuvering.
- [NTSB CEN17LA104](https://openairdocs.org/ntsb/CEN17LA104.md): Beech D55 · Columbus, OH · Accident · No injuries · Limited investigation · Final report · Feb 14, 2017 · N88EB · Substantial damage
  > The partial loss of left engine power during takeoff and initial climb, which led to a hard landing in gusting crosswind conditions. The reason for the loss of engine power could not be determined because postaccident examination of the left engine revealed…
- [NTSB CEN16LA374](https://openairdocs.org/ntsb/CEN16LA374.md): Piper PA-28R-201 · Bowling Green, OH · Accident · No injuries · Limited investigation · Final report · Sep 13, 2016 · N786BG · Substantial damage
  > The pilots’ failure to complete the Emergency Landing Gear Extension checklist and maintenance personnel’s failure to correctly repair spliced wires on the left main landing gear down limit switch, which prevented the pilots from knowing whether the gear was…
- [NTSB CEN12IA451](https://openairdocs.org/ntsb/CEN12IA451.md): Flight Design Ctls · Marysville, OH · Incident · No injuries · Incident investigation · Final report · Jul 16, 2012 · N566FD · Minor damage
  > Fatigue failure of the left main wheel assembly on takeoff, which resulted in a loss of directional control and runway excursion.
- [NTSB CEN12LA349](https://openairdocs.org/ntsb/CEN12LA349.md): Flower Roger P J D · Spring Valley, OH · Accident · 1 fatal · Limited investigation · Final report · Jun 9, 2012 · N9010T · Substantial damage
  > The in-flight failure of the left wing spar, which resulted in the in-flight separation of the left wing.
- [NTSB CEN12LA111](https://openairdocs.org/ntsb/CEN12LA111.md): Curtiss Wright P40M · Batavia, OH · Accident · Minor injuries · Limited investigation · Final report · Dec 8, 2011 · N5813 · Substantial damage
  > A loss of engine power due to failure of the engine oil cooler and subsequent oil starvation to the engine.
- [NTSB CEN12LA023](https://openairdocs.org/ntsb/CEN12LA023.md): Piper PA-28-235 · Wadsworth, OH · Accident · No injuries · Limited investigation · Final report · Oct 8, 2011 · N9444W · Substantial damage
  > The failure of the brake system during the landing roll, which was caused by a loss of hydraulic fluid as a result of a leak in the piston seal due to brake plates worn beyond their service limits.
- [NTSB CHI08LA151](https://openairdocs.org/ntsb/CHI08LA151.md): Bell 47D1 · Carrollton, OH · Accident · No injuries · Limited investigation · Final report · Jun 1, 2008 · N74898 · Substantial damage
  > The airframe vibration for an undetermined reason.
- [NTSB CHI08CA105](https://openairdocs.org/ntsb/CHI08CA105.md): Schultz Mini 500 · Batavia, OH · Accident · No injuries · Data collection · Final report · Apr 6, 2008 · N62GS · Substantial damage
  > The failure of the helicopter's centrifugal clutch during hover which led to the pilot's inability to maintain control of the craft and its subsequent impact with the ground.

## 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 s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s."tier2Number" = '330' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE "isDefiningEvent"))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/330/sequence?state=OH

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