# NTSB investigations: Lycoming HIO-360 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 NYC06LA106](https://openairdocs.org/ntsb/NYC06LA106.md): Schweizer 269C · Kings Park, NY · Accident · Minor injuries · Limited investigation · Final report · May 4, 2006 · N38DM · Substantial damage
  > Loss of engine power due to the failure of the number 3 connecting rod bearing. A contributing factor was the lack of suitable terrain for the emrgency landing.
- [NTSB LAX03LA052](https://openairdocs.org/ntsb/LAX03LA052.md): Schweizer 269C · Los Banos, CA · Accident · No injuries · Limited investigation · Final report · Dec 18, 2002 · N642KC · Substantial damage
  > The improper engine overhaul by other maintenance personnel, which resulted in an exhaust valve failure and a total loss of engine power while in maneuvering flight.
- [NTSB ATL02LA159](https://openairdocs.org/ntsb/ATL02LA159.md): Schweizer 300C · Haleyville, AL · Accident · Serious injuries · Limited investigation · Final report · Aug 17, 2002 · N269FW · Substantial damage
  > The failure of maintenance personnel to perform an adequate inspection of loose intake components, which resulted in a total loss of engine power and subsequent emergency descent, forced landing, and collision with terrain in dark night conditions.
- [NTSB IAD97GA054](https://openairdocs.org/ntsb/IAD97GA054.md): Schweizer 269C · Cleveland, OH · Accident · No injuries · Final report · Mar 20, 1997 · N892CP · Substantial damage
  > The engine failure from the rod cap bolt being sheared and the separation of the number two cylinder separating from the crankcase.
- [NTSB FTW95LA039](https://openairdocs.org/ntsb/FTW95LA039.md): Hughes 269A · Monticello, AR · Accident · No injuries · Limited investigation · Final report · Nov 8, 1994 · N10415 · Substantial damage
  > The loss of engine power due to a fatigued rod end bolt. A factor was the lack of suitable terrain for landing.
- [NTSB FTW94LA253](https://openairdocs.org/ntsb/FTW94LA253.md): Hughes 269A · Leander, LA · Accident · No injuries · Limited investigation · Final report · Aug 1, 1994 · N9062G · Substantial damage
  > Inadequate maintenance and a fatigue failure of a #1 cylinder connecting rod bolt. A factor was the lack of suitable terrain available to the pilot for a forced landing.
- [NTSB SEA93FA178](https://openairdocs.org/ntsb/SEA93FA178.md): Enstrom F-28C · Seattle, WA · Accident · No injuries · Field investigation · Final report · Aug 18, 1993 · N86198 · Substantial damage
  > Shorted magneto condensers. Factors include a hidden obstruction in the landing area, and a reduction in rotor RPM from attempting to avoid the obstruction.
- [NTSB CHI93DEE01](https://openairdocs.org/ntsb/CHI93DEE01.md): Mark Streitz Skybolt · Joliet, IL · Accident · No injuries · Final report · Jun 5, 1993 · N94MS · Substantial damage
  > the failure of the number two connecting rod bolt.
- [NTSB SEA90LA116](https://openairdocs.org/ntsb/SEA90LA116.md): Enstrom F28C · Camas, WA · Accident · No injuries · Limited investigation · Final report · Jun 7, 1990 · N51729 · Substantial damage
  > The failure of a sprag clutch in the rotor-drive mechanism, at an altitude and position that precluded or limited the possibility of a successful outcome.
- [NTSB CHI89FA062](https://openairdocs.org/ntsb/CHI89FA062.md): Hughes 269C · De Kalb, IL · Accident · Serious injuries · Field investigation · Final report · Mar 22, 1989 · N8642F · Destroyed
  > Fatigue failure of the number four connecting rod which resulted in an engine failure. Factors in the accident were the broken ring in the number one piston and a deteriorated center main bearing.
- [NTSB CHI86LA236](https://openairdocs.org/ntsb/CHI86LA236.md): Hughes 269B · Baldwin, WI · Accident · No injuries · Limited investigation · Final report · Sep 26, 1986 · N9427F · Substantial damage
  > After picking up his passenger at williams pipeline, minneapolis, Minnesota, the plt flew eastward along interstate 90 enroute to a pipeline near wausau, Wisconsin. While flying at approximatelly 400 feet, the plt and passenger stated that the engine started…
- [NTSB SEA86LA026](https://openairdocs.org/ntsb/SEA86LA026.md): Hughes 269C · Brooks, OR · Accident · No injuries · Limited investigation · Final report · Nov 24, 1985 · N58181 · Substantial damage
  > A total loss of power occurred due to the number 4 cylinder failing. A tail boom strike occurred during a hard landing in a parking lot, severing the tail boom.

## 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 ('41524')
    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=41524&occurrence=351

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