# NTSB investigations, UT: 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 WPR24LA064](https://openairdocs.org/ntsb/WPR24LA064.md): Diamond Aircraft Ind DA 40 · Spanish Fork, UT · Accident · No injuries · Class 3 · Limited · Final report · Dec 21, 2023 · N453DS · Substantial damage
  > Maintenance personnel’s improper installation of the left magneto, which resulted in oil starvation to the engine and a subsequent total loss of engine power.
- [NTSB WPR22LA363](https://openairdocs.org/ntsb/WPR22LA363.md): Robinson Helicopter R44 · Cedar City, UT · Accident · No injuries · Class 3 · Limited · Final report · Sep 30, 2022 · N297SU · Substantial damage
  > A partial loss of engine power due to a damaged cylinder intake valve and subsequent collision with terrain during an autorotation.
- [NTSB WPR21LA325](https://openairdocs.org/ntsb/WPR21LA325.md): Stout Garry V Europa - Trigear · Hanksville, UT · Accident · No injuries · Class 3 · Limited · Final report · Aug 16, 2021 · N133AC · Substantial damage
  > The pilot’s installation of a non-original equipment manufactured radiator cap, which resulted in the loss of coolant and the engine’s exceedance of the maximum admissible cylinder head temperature. Contributing to the accident was the lack of suitable…
- [NTSB WPR21LA079](https://openairdocs.org/ntsb/WPR21LA079.md): Piper PA-20-135 · Riverside, UT · Accident · No injuries · Class 4 · Limited · Final report · Jan 1, 2021 · N1571A · Substantial damage
  > A failure of the throttle control during a landing roll, which resulted in a loss of control and collision with a fence.
- [NTSB WPR21LA068](https://openairdocs.org/ntsb/WPR21LA068.md): Cirrus Design SR22 · Ogden, UT · Accident · Serious injuries · Class 3 · Limited · Final report · Dec 10, 2020 · N577CP · Substantial damage
  > The partial loss of engine power for reasons that cannot be determined due to lack of available evidence.
- [NTSB WPR19LA010](https://openairdocs.org/ntsb/WPR19LA010.md): Piper PA46 · Hurricane, UT · Accident · Serious injuries · Limited investigation · Final report · Oct 21, 2018 · N413LL · Substantial damage
  > The mechanic’s failure to properly align the engine exhaust crossover pipe during replacement, and his supervisor’s failure to properly inspect the installation, which resulted in an in-flight fire and the loss of engine power.
- [NTSB WPR17LA157](https://openairdocs.org/ntsb/WPR17LA157.md): Cirrus Design SR22 · Ogden, UT · Accident · No injuries · Class 3 · Limited · Final report · Jul 15, 2017 · N754AP · Substantial damage
  > The failure of the No. 4 cylinder exhaust valve head, which resulted in a total loss of engine power due to oil starvation.
- [NTSB WPR09LA382](https://openairdocs.org/ntsb/WPR09LA382.md): Stinson 108-2 · Salt Lake City, UT · Accident · Minor injuries · Limited investigation · Final report · Aug 3, 2009 · N373C · Substantial damage
  > A total loss of engine power during cruise flight due to the failure of the crankshaft gear.
- [NTSB WPR09CA303](https://openairdocs.org/ntsb/WPR09CA303.md): Cessna A188B · Ogden, UT · Accident · No injuries · Data collection · Final report · Jun 20, 2009 · N731GE · Substantial damage
  > A partial loss of engine power due to the number one cylinder air induction tube becoming disconnected for undetermined reasons.
- [NTSB WPR09LA085](https://openairdocs.org/ntsb/WPR09LA085.md): Air Tractor AT-301 · Beaver, UT · Accident · Minor injuries · Limited investigation · Final report · Jan 15, 2009 · N3170C · Substantial damage
  > A loss of engine power while maneuvering due to a sheared propeller blade's pitch change link. Contributing to the accident was lack of suitable terrain for the forced landing.

## 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" = 'UT' 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=UT

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