# NTSB investigations: Schweizer G-164B: Loss of engine power(partial) - 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 LAX04LA267](https://openairdocs.org/ntsb/LAX04LA267.md): Schweizer G-164B · Richvale, CA · Accident · No injuries · Limited investigation · Final report · Jun 7, 2004 · N3626T · Substantial damage
  > the loss of engine power during takeoff due to the engine's deteriorated fuel control unit's inner drive shaft bearing. The reason for the bearing's deteriorated condition could not be determined.
- [NTSB ATL98LA115](https://openairdocs.org/ntsb/ATL98LA115.md): Schweizer G164B · Newton, MS · Accident · No injuries · Limited investigation · Final report · Aug 16, 1998 · N7502A · Substantial damage
  > The erosion of the compressor impeller and the unsecured fuel control unit resulted in the loss of engine power during the initial climb.
- [NTSB FTW96LA388](https://openairdocs.org/ntsb/FTW96LA388.md): Schweizer G-164B · Ferriday, LA · Accident · No injuries · Limited investigation · Final report · Sep 17, 1996 · N8498K · Substantial damage
  > The partial loss of engine power due to a cracked cylinder head. Factors were the oil leak which restricted the pilot's visual lookout and the lack of suitable terrain for the forced landing.
- [NTSB SEA93LA078](https://openairdocs.org/ntsb/SEA93LA078.md): Schweizer G-164B-600 · Quincy, WA · Accident · No injuries · Limited investigation · Final report · Mar 18, 1993 · N7503L · Substantial damage
  > Unsuitable terrain encountered during a forced landing after an engine cylinder assembly had separated. Factors include a snowbank.
- [NTSB LAX90DVG01](https://openairdocs.org/ntsb/LAX90DVG01.md): Schweizer G-164B · Grimes, CA · Accident · No injuries · Final report · Nov 16, 1989 · N3633Q · Substantial damage
  > Failure of the counter weight bracket to the propeller assembly.
- [NTSB LAX89DVG07](https://openairdocs.org/ntsb/LAX89DVG07.md): Schweizer G-164B · Willows, CA · Accident · No injuries · Final report · Jul 4, 1989 · N3627G · Substantial damage
  > Failure of the connecting rod on #1 cylinder of the aircraft powerplant.
- [NTSB CHI85LA360](https://openairdocs.org/ntsb/CHI85LA360.md): Schweizer G164A "450" · Constantine, MI · Accident · No injuries · Limited investigation · Final report · Aug 29, 1985 · N8444K · Substantial damage
  > The acft nosed over during a forced landing in a corn fld. The plt stated that at 30 ft AGL during his second swath run the eng backfired and lost pwr. He attempted to dump the load however, the acft continued to loose alt and the forced landing resulted.…
- [NTSB MIA84LA020](https://openairdocs.org/ntsb/MIA84LA020.md): Schweizer G-164B · Ormond Beach, FL · Accident · Minor injuries · Limited investigation · Final report · Oct 27, 1983 · N8459K · Destroyed
  > The acft is a twin-engine conversion of the Grumman G-164B. The plt was on a local test flt with the hopper filled with water to simulate flt conditions near the operating gross weight of the acft. After lift-off a partial power loss was experienced on the #2…

## 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.aircraft_model_code IN ('8059055')
    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" = 352))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=8059055&occurrence=352

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