# NTSB investigations: Continental TSIO-550-C: Loss of engine power (total)

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 WPR26FA120](https://openairdocs.org/ntsb/WPR26FA120.md): Columbia Aircraft Mfg LC41-550FG · Albuquerque, NM · Accident · 2 fatal · Class 3 · Field · Preliminary report · Mar 6, 2026 · N2516S · Substantial damage
  > On March 6, 2026, about 1136 mountain standard time (MST), a Columbia Aircraft LC41-550FG, N2516S, was substantially damaged when it was involved in an accident in Albuquerque, New Mexico. The airplane was on an instrument flight rules flight plan from…
- [NTSB CEN19LA319](https://openairdocs.org/ntsb/CEN19LA319.md): Lancair LC41-550FG · Branson, MO · Accident · Minor injuries · Class 3 · Limited · Final report · Sep 2, 2019 · N405JA · Substantial damage
  > A total loss of engine power after takeoff for undetermined reasons.
- [NTSB ERA19LA063](https://openairdocs.org/ntsb/ERA19LA063.md): Lancair LC41 · Moscow, PA · Accident · No injuries · Class 3 · Limited · Final report · Dec 4, 2018 · N618G · Substantial damage
  > A total loss of engine power and catastrophic engine failure due to the failure of the left turbocharger, which resulted in oil loss and oil starvation. Contributing to the accident was the failure of maintenance personnel to overhaul the turbocharger in…
- [NTSB WPR17IA173](https://openairdocs.org/ntsb/WPR17IA173.md): Columbia Aircraft Mfg LC41 550FG · Chandler, AZ · Incident · No injuries · Class 3 · Incident · Final report · Aug 1, 2017 · N8725 · Minor damage
  > The over-tensioning of the accessory belt, which resulted in damage to the starter adapter and subsequent loss of oil that led to oil starvation and catastrophic engine failure.
- [NTSB WPR16IA044](https://openairdocs.org/ntsb/WPR16IA044.md): Cessna LC41-550FG · Seal Beach, CA · Incident · No injuries · Incident investigation · Final report · Dec 8, 2015 · N932AC · Minor damage
  > Improper maintenance performed on the left magneto which led to a loss of engine power. Contributing to the incident was the pilot's failure to check the magnetos in flight in compliance with manufacturers guidance regarding rough running engine. The pilot's…
- [NTSB ERA15LA189](https://openairdocs.org/ntsb/ERA15LA189.md): Cessna LC41-550FG · Titusville, FL · Accident · No injuries · Limited investigation · Final report · Apr 18, 2015 · N400BZ · Substantial damage
  > An inflight fire and a total loss of engine power due to oil starvation, after separation of the No. 3 cylinder exhaust valve rocker box cover for reasons that could not be determined based on the available information.
- [NTSB ERA14LA161](https://openairdocs.org/ntsb/ERA14LA161.md): Cessna LC41-550FG · Palatka, FL · Accident · 1 fatal · Limited investigation · Final report · Mar 21, 2014 · N717RR · Substantial damage
  > The pilot’s improper management of the fuel mixture and his failure to use the appropriate checklist and guidance during the flight, which resulted in an overrich mixture condition, carbon-fouling of the spark plugs, and a subsequent total loss of engine…
- [NTSB CEN11FA141](https://openairdocs.org/ntsb/CEN11FA141.md): Columbia Aircraft Mfg LC41-550FG · Midlothian, TX · Accident · 2 fatal · Field investigation · Final report · Jan 5, 2011 · N1393T · Substantial damage
  > The engine's loss of power during takeoff for reasons that could not be determined because no engine anomalies were discovered during the postaccident examination.

## 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 ('17246')
    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" = '341'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/341/cases?engine=17246

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