# NTSB investigations, IN: 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 CEN24LA354](https://openairdocs.org/ntsb/CEN24LA354.md): Cessna 170A · Marshall, IN · Accident · Minor injuries · Class 3 · Limited · Final report · Sep 11, 2024 · N1249D · Substantial damage
  > The fatigue fracture of the No. 6 piston connecting rod, which resulted in a loss of engine power.
- [NTSB CEN24LA038](https://openairdocs.org/ntsb/CEN24LA038.md): Bede BD-4 · Lowell, IN · Accident · Minor injuries · Class 3 · Limited · Final report · Nov 14, 2023 · N931AS · Substantial damage
  > Fatigue cracking of the propeller blade root, which resulted in the in-flight separation of the propeller blade from its root. Contributing to the accident was the improper machining of the blade root threads, which resulted in chatter/ratchet marks that…
- [NTSB CEN21LA359](https://openairdocs.org/ntsb/CEN21LA359.md): Piper J3C-65 · Gosport, IN · Accident · No injuries · Class 3 · Limited · Final report · Aug 6, 2021 · N6269H · Substantial damage
  > A total loss of engine power during cruise flight due to the failure of a cylinder exhaust valve stem, which led to a forced landing during which the airplane impacted terrain.
- [NTSB CEN19TA293](https://openairdocs.org/ntsb/CEN19TA293.md): Piper J3C · Russiaville, IN · Accident · No injuries · Class 3 · Final report · Aug 25, 2019 · N49614 · Substantial damage
  > The pilot's failure to reinstall the oil cap after adding oil, which resulted to oil starvation and a precaautionary landing.
- [NTSB CEN19LA163](https://openairdocs.org/ntsb/CEN19LA163.md): Griff Challenger · Switz City, IN · Accident · Serious injuries · Class 3 · Limited · Final report · Jun 11, 2019 · N582L · Substantial damage
  > A total loss of engine power due to failure of a connecting rod bearing. Contributing to the engine failure was the lack of an engine overhaul within the prescribed interval.
- [NTSB CEN18LA174](https://openairdocs.org/ntsb/CEN18LA174.md): Cessna 177 · Fort Wayne, IN · Accident · No injuries · Limited investigation · Final report · May 15, 2018 · N9058F · Substantial damage
  > The failure of the oil cooler due to a defect in the brazed joint, which resulted in a loss of engine power due to oil starvation.
- [NTSB CEN18FA053](https://openairdocs.org/ntsb/CEN18FA053.md): Cessna T210M · Oldenburg, IN · Accident · 3 fatal · Field investigation · Final report · Dec 17, 2017 · N761YZ · Destroyed
  > A total loss of engine power due to the failure of the No. 4 piston, which resulted in an attempted forced landing in dark night conditions and a subsequent in-flight collision with trees and terrain. Contributing to the accident were the pilot's situational…
- [NTSB CEN15CA155](https://openairdocs.org/ntsb/CEN15CA155.md): Gaddis Michael Exec 162 F · Plymouth, IN · Accident · No injuries · Data collection · Final report · Feb 26, 2015 · N123XZ · Substantial damage
  > The failure of the helicopter's main drive belt resulting in the pilot performing a forced landing, during which the helicopter's fuselage was substantially damage.
- [NTSB CEN14LA519](https://openairdocs.org/ntsb/CEN14LA519.md): Piper PA 36-285 · Woodburn, IN · Accident · No injuries · Limited investigation · Final report · Sep 19, 2014 · N9913P · Substantial damage
  > A loss of engine power during takeoff for reasons that could not be determined based on the available information.
- [NTSB CEN14LA374](https://openairdocs.org/ntsb/CEN14LA374.md): Cessna 172N · Rockville, IN · Accident · No injuries · Limited investigation · Final report · Jul 16, 2014 · N13SK · Substantial damage
  > A partial loss of engine power due to a failure of the dual magneto system. Contributing to the accident was the improper maintenance of the duel magneto system.
- [NTSB CEN14LA307](https://openairdocs.org/ntsb/CEN14LA307.md): Rotorway Exec 162F · Mt. Comfort, IN · Accident · No injuries · Limited investigation · Final report · Jun 21, 2014 · N6828D · Substantial damage
  > The pilot’s installation of an unauthorized main rotor belt and his subsequent failure to properly inspect the belt, which resulted in inadequate belt tension, the belt’s failure, and the subsequent loss of engine power.
- [NTSB CEN13LA557](https://openairdocs.org/ntsb/CEN13LA557.md): Beech 35 B33 · Urbana, IN · Accident · Serious injuries · Limited investigation · Final report · Sep 24, 2013 · N8910M · Substantial damage
  > The failure of the crankshaft following several overheating events that had led to a stress crack and the subsequent fracture forward of the No. 6 rod journal.
- [NTSB CEN13LA433](https://openairdocs.org/ntsb/CEN13LA433.md): Clayton Gerald H Glastar GS-1 · Columbus, IN · Accident · 1 fatal · Limited investigation · Final report · Jul 25, 2013 · N513GC · Destroyed
  > Slippage in the engine clutch and gear reduction module and a resultant uncommanded movement of the propeller blades into reverse thrust.
- [NTSB CEN10LA450](https://openairdocs.org/ntsb/CEN10LA450.md): Cessna T188C · Montezuma, IN · Accident · No injuries · Limited investigation · Final report · Jul 29, 2010 · N2085J · Substantial damage
  > The total loss of engine power due to an insufficient fastener preload that led to the failure of the No. 2 connecting rod assembly.
- [NTSB CEN09CA232](https://openairdocs.org/ntsb/CEN09CA232.md): Cessna 150D · Madison, IN · Accident · No injuries · Data collection · Final report · Mar 22, 2009 · N5920T · Substantial damage
  > The loss of engine power due to the failure of the engine's muffler which melted and grounded the ignition P-lead wire.
- [NTSB CEN09CA162](https://openairdocs.org/ntsb/CEN09CA162.md): Cameron Balloons V-77 · Terre Haute, IN · Accident · Minor injuries · Data collection · Final report · Feb 8, 2009 · N7524J · Substantial damage
  > The loss of the burner pilot light during approach to the landing area and the pilot's failure to relight the burner using alternate sources.
- [NTSB CEN09LA132](https://openairdocs.org/ntsb/CEN09LA132.md): Grumman American Avn. AA-5B · Milford, IN · Accident · No injuries · Limited investigation · Final report · Jan 5, 2009 · N28862 · Substantial damage
  > A loss of engine thrust due to the separation of a section of one of the propeller blades as a result of fatigue failure of the propeller because of corrosion. Contributing to the accident was the failure of the mechanic to detect and address the propeller…
- [NTSB CEN09CA080](https://openairdocs.org/ntsb/CEN09CA080.md): Beech E35 · Bloomington, IN · Accident · No injuries · Data collection · Final report · Nov 20, 2008 · N3213C · Substantial damage
  > A partial loss of engine power due to a failure of the number one cylinder exhaust valve, and the associated secondary damage to the intake valve and piston.

## 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" = 'IN' 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" = '340' 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/340/sequence?state=IN

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