# NTSB investigations: Lycoming IO-360-A1B6D: 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 ERA24FA001](https://openairdocs.org/ntsb/ERA24FA001.md): Cessna 177RG · Lake Placid, NY · Accident · 2 fatal · Class 3 · Field · Final report · Oct 1, 2023 · N545PZ · Substantial damage
  > A partial loss of engine power for undetermined reasons. Contributing to the accident was the pilot’s inadequate preflight weight and balance planning and his aggressive low altitude maneuvering, which resulted in an aerodynamic stall and loss of control.
- [NTSB WPR21FA340](https://openairdocs.org/ntsb/WPR21FA340.md): Cessna 177RG · Lake Havasu City, AZ · Accident · 1 fatal · Class 3 · Field · Final report · Sep 12, 2021 · N2085Q · Substantial damage
  > A partial loss of engine power during the airplane's initial climb due to wear of internal engine components, which prevented the engine from developing full-rated power and resulted in a loss of altitude.
- [NTSB CEN20LA403](https://openairdocs.org/ntsb/CEN20LA403.md): Cessna 177RG · Palatine, IL · Accident · No injuries · Class 3 · Limited · Final report · Sep 17, 2020 · N2699V · Substantial damage
  > The loss of partial engine power due to fuel starvation during departure which resulted in a forced landing and collision with a utility pole.
- [NTSB WPR19LA226](https://openairdocs.org/ntsb/WPR19LA226.md): Cessna 177RG · Fall City, WA · Accident · Minor injuries · Class 3 · Limited · Final report · Jul 27, 2019 · N1828Q · Substantial damage
  > The failure of the No. 3 cylinder intake valve that resulted in a partial loss of engine power and a forced landing on uneven terrain.
- [NTSB NYC08LA293](https://openairdocs.org/ntsb/NYC08LA293.md): Cessna 177RG · Bristol, NH · Accident · Serious injuries · Limited investigation · Final report · Aug 27, 2008 · N2088Q · Substantial damage
  > The pilot's failure to clear the trees during takeoff due to a partial loss of engine power for undetermined reasons.

## 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 ('41593')
    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=41593

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