# NTSB investigations: Continental IO-550 series: Loss of engine power(total) - mech failure/malf

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 SEA08LA033](https://openairdocs.org/ntsb/SEA08LA033.md): Beech A36 · El Centro, CA · Accident · No injuries · Limited investigation · Final report · Nov 14, 2007 · N435M · Substantial damage
  > The failure of maintenance personnel to properly secure the #2 cylinder through bolts. A contributing factor was the lack of suitable terrain for landing.
- [NTSB DEN07LA133](https://openairdocs.org/ntsb/DEN07LA133.md): Walker Lancair IV · Sylvan Grove, KS · Accident · Serious injuries · Limited investigation · Final report · Aug 1, 2007 · N7441W · Substantial damage
  > A catastrophic engine failure due to oil starvation when an oil line to the turbocharger wastegate actuator came loose. Contributing factors in this accident were the unsuitable terrain on which to make a forced landing.
- [NTSB CHI04FA203](https://openairdocs.org/ntsb/CHI04FA203.md): Knoepflein Lancair Legacy 2000 · Madison, WI · Accident · 1 fatal · Field investigation · Final report · Aug 1, 2004 · N98SN · Destroyed
  > A loss of engine power due to high engine temperatures which resulted in a failure of the number three piston, the pilot's continued operation of the airplane with known high temperature problems, the pilot's poor inflight planning, and the pilot's failure to…
- [NTSB CHI04LA187](https://openairdocs.org/ntsb/CHI04LA187.md): Beech A36 · Algona, IA · Accident · No injuries · Limited investigation · Final report · Jul 2, 2004 · N3248T · Substantial damage
  > The failure of the connecting rod which resulted in the loss of engine power during cruise flight and subsequent forced landing. A contributing factor was the delayed lowering of the landing gear in order to clear the other vehicle encountered during the…
- [NTSB LAX04LA016](https://openairdocs.org/ntsb/LAX04LA016.md): Beech A36 · Lancaster, CA · Accident · No injuries · Limited investigation · Final report · Oct 16, 2003 · N700TT · Substantial damage
  > A loss of engine power due to thermal fatigue failure of the first stage turbine wheel resulting in release of a section of its rim. The thermal fatigue was due to the engine exceeding its temperature limits during one or more start cycles.
- [NTSB MIA03LA028](https://openairdocs.org/ntsb/MIA03LA028.md): Beech A36 · Laurens, SC · Accident · No injuries · Limited investigation · Final report · Dec 15, 2002 · N12MB · Substantial damage
  > Improper maintenance and inspection of the airplane by other maintenance personnel, and their failure to install the fuel line support after maintenance had been completed, which resulted in the introduction of vibrational loads and the in-flight separation…
- [NTSB CHI01LA255](https://openairdocs.org/ntsb/CHI01LA255.md): Beech A36 · Sugar Grove, IL · Accident · No injuries · Limited investigation · Final report · Aug 1, 2001 · N136GR · Substantial damage
  > the inadequate maintenance inspection and the unsuitable terrain encountered by the pilot mechanic. The fuel system leak was a contributing factor.
- [NTSB CHI01FA220](https://openairdocs.org/ntsb/CHI01FA220.md): Mooney M-20R · Eden Prairie, MN · Accident · 1 fatal · Field investigation · Final report · Jul 19, 2001 · N2HW · Destroyed
  > The fractured camshaft gear and the pilot not maintaining aircraft control. Factors relating to this accident were metal fatigue in the camshaft gear teeth, the inadvertent stall, the low airspeed, and the trees.
- [NTSB DEN01LA103](https://openairdocs.org/ntsb/DEN01LA103.md): Hall Lancair 4P · Bennett, CO · Accident · Minor injuries · Limited investigation · Final report · May 28, 2001 · N707SH · Substantial damage
  > unsuitable terrain on which to make a forced landing. A contributing factor was a fatigue fracture of the starter adapter drive shaft, which resulted in a loss of engine power due to oil starvation.
- [NTSB NYC98LA074](https://openairdocs.org/ntsb/NYC98LA074.md): Beech A36 · Lynchburgh, VA · Accident · No injuries · Limited investigation · Final report · Mar 5, 1998 · N1559X · Substantial damage
  > Failure of the number six connecting rod bolt due to improper maintenance.

## 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 ('17042')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 351))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=17042&occurrence=351

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OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.