NTSB investigations: Grumman Acft ENG Cor-Schweizer G-164A

8 cases on aircraft the registry lists as Grumman Acft ENG Cor-Schweizer G-164A, where the sequence of events included Loss of engine power (partial). Aircraft are matched to the registry by N-number and event date, checked against the reported serial number, make and model, so older matches can be wrong.

Cases per year

20082026
NTSB investigations: Grumman Acft ENG Cor-Schweizer G-164A per year, 2008–2026: 8 cases
20081
20111
20121
20151
20162
20171
20201

Latest cases

Query with SQL
duckdb -csv -c "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 ('3952801')
      AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s.case_mkey = x.case_mkey AND s.aircrafts_position = x.position AND s.\"tier2Number\" = '342' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE \"isDefiningEvent\")))
  ORDER BY c.\"eventDate\" DESC, c.\"ntsbNumber\" DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

NTSB CEN21LA072Accident · No injuriesClass 3 · LimitedFinal reportGrumman G164 · Elton, LAThe loss of engine power, which resulted in a forced landing on unsuitable terrain. The reason for the loss of engine power could not be determined based on available evidence.Dec 1, 2020 · N48594 · Substantial damageNTSB CEN17LA163Accident · No injuriesLimited investigationFinal reportGrumman Schweizer G-164 · Palmer, KSA crack in the cylinder of the radial engine, which resulted in a loss of engine power and a forced landing on unsuitable terrain.Apr 17, 2017 · N9533 · Substantial damageNTSB ERA16LA319Accident · Minor injuriesClass 3 · LimitedFinal reportGrumman G164 · Chestertown, MDLoss of engine power due to a failure of the No. 3 cylinder head, which resulted in a forced landing and collision with ground equipment.Sep 18, 2016 · N75EP · Substantial damageNTSB WPR16LA082Accident · No injuriesLimited investigationFinal reportGrumman G164 · Juliaetta, IDA partial loss of engine power due to a crack in the No. 2 cylinder.Mar 12, 2016 · N6894Q · Substantial damageNTSB CEN15LA175Accident · Minor injuriesLimited investigationFinal reportGrumman Acft ENG Cor-Schweizer G 164A · New Roads, LAThe loss of engine power due to three stuck exhaust valves.Mar 17, 2015 · N9755 · Substantial damageNTSB CEN12LA513Accident · Minor injuriesLimited investigationFinal reportGrumman Acft ENG Cor G-164A · La Salle, COThe loss of engine power due to the detached distributor rotor.Aug 1, 2012 · N9822 · Substantial damageNTSB CEN11LA610Accident · No injuriesLimited investigationFinal reportGrumman Acft ENG Cor-Schweizer G-164A · Monette, ARThe fracture of the throttle cable in tensile overstress because of wear damage, which resulted in the partial loss of engine power.Aug 29, 2011 · N48378 · Substantial damageNTSB DEN08CA091Accident · No injuriesData collectionFinal reportGrumman-Schweizer G-164A · East Bernard, TXTwo engine cylinder exhaust valves stuck open for an undetermined reason, resulting in a loss of engine power.May 20, 2008 · N5083 · Substantial damage