# NTSB investigations: Lycoming GO-480 series: Loss of engine power (partial)

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 WPR19FA096](https://openairdocs.org/ntsb/WPR19FA096.md): Beech 50 · Riverside, CA · Accident · 1 fatal · Class 3 · Field · Final report · Mar 16, 2019 · N800DC · Substantial damage
  > The pilot’s failure to maintain airspeed and control of the airplane following a loss of right engine power for reasons that could not be determined based on the available information.
- [NTSB WPR18FA198](https://openairdocs.org/ntsb/WPR18FA198.md): Ryan Navion · Truckee, CA · Accident · 2 fatal · Field investigation · Final report · Jul 17, 2018 · N5329K · Substantial damage
  > A loss of engine power for reasons that could not be determined.
- [NTSB ANC15LA070](https://openairdocs.org/ntsb/ANC15LA070.md): Helio H 295 · Delta Junction, AK · Accident · No injuries · Limited investigation · Final report · Sep 13, 2015 · N6464V · Substantial damage
  > A partial loss of engine power during takeoff for reasons that could not be determined because postaccident examination of the airframe and engine did not reveal any anomalies that would have precluded normal operation.
- [NTSB ANC15LA004](https://openairdocs.org/ntsb/ANC15LA004.md): Helio H 295 · Nenana, AK · Accident · No injuries · Limited investigation · Final report · Nov 15, 2014 · N6465V · Substantial damage
  > The partial loss of engine power for reasons that could not be determined because postaccident examination of the engine revealed no evidence of any preimpact mechanical anomalies.
- [NTSB DFW08LA139](https://openairdocs.org/ntsb/DFW08LA139.md): Commander AC-680 · Hope, AR · Accident · No injuries · Limited investigation · Final report · May 8, 2008 · N39BA · Substantial damage
  > The pilot's failure to maintain control of the twin-engine airplane while landing. Contributing to the accident were the crosswind and partial loss of power on the right engine.

## 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 ('41527')
    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" = '342'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/342/cases?engine=41527

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