{"as_of":"2026-11-10","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Model families","items":[{"count":325,"name":"Grumman Acft Eng Cor-Schweizer G-164","note":"","unit":"registered","url":"https://eflight.com/models/grumman-acft-eng-cor-schweizer/g-164"}],"relation":"makes"},{"group":"Engines","items":[{"count":149,"name":"Pratt & Whitney R1340 series","note":"600 hp","unit":"of these aircraft","url":"https://eflight.com/engines/pratt-whitney-r1340-series"},{"count":98,"name":"Pratt & Whitney R-985 series","note":"450 hp","unit":"of these aircraft","url":"https://eflight.com/engines/pratt-whitney-r-985-series"},{"count":10,"name":"Continental R-975 series","note":"550 hp","unit":"of these aircraft","url":"https://eflight.com/engines/continental-r-975-series"},{"count":4,"name":"AiResearch (Honeywell) TPE331 series","note":"904 hp","unit":"of these aircraft","url":"https://eflight.com/engines/airesearch-honeywell-tpe331-series"},{"count":3,"name":"Pratt & Whitney R-1340-AN-1","note":"550 hp","unit":"of these aircraft","url":"https://eflight.com/engines/pratt-whitney-r-1340-an-1"}],"relation":"powered by"},{"group":"Where they are","items":[{"count":50,"name":"California","note":"","unit":"of these aircraft","url":"https://eflight.com/states/CA"},{"count":39,"name":"Nebraska","note":"","unit":"of these aircraft","url":"https://eflight.com/states/NE"},{"count":29,"name":"Louisiana","note":"","unit":"of these aircraft","url":"https://eflight.com/states/LA"},{"count":19,"name":"Texas","note":"","unit":"of these aircraft","url":"https://eflight.com/states/TX"},{"count":19,"name":"North Dakota","note":"","unit":"of these aircraft","url":"https://eflight.com/states/ND"}],"relation":"registered in"},{"group":"Biggest operators","items":[{"count":18,"name":"Hershey Flying Service INC","note":"","unit":"of these aircraft","url":"https://eflight.com/fleets/hershey-flying-service-inc"},{"count":10,"name":"Mid Continent Aircraft CORP","note":"","unit":"of these aircraft","url":"https://eflight.com/fleets/mid-continent-aircraft-corp"},{"count":7,"name":"Jones Aviation INC","note":"","unit":"of these aircraft","url":"https://eflight.com/fleets/jones-aviation-inc"},{"count":6,"name":"Buntings Dusting INC","note":"","unit":"of these aircraft","url":"https://eflight.com/fleets/buntings-dusting-inc"},{"count":5,"name":"Richter Aviation INC","note":"","unit":"of these aircraft","url":"https://eflight.com/fleets/richter-aviation-inc"}],"relation":"owned by"},{"group":"Record","items":[{"count":73,"name":"NTSB accidents and incidents involving Grumman Acft Eng Cor-Schweizer aircraft","note":"as the NTSB spells the maker's name","unit":"cases since 1982","url":"https://eflight.com/analytics/accidents-by-model"}],"relation":"involved in"},{"group":"Analytics","items":[{"count":null,"name":"Biggest makers and model families","note":"","unit":"","url":"https://eflight.com/analytics/makers"},{"count":null,"name":"Accidents by model and by maker","note":"","unit":"","url":"https://eflight.com/analytics/accidents-by-model"}],"relation":"compared in"}],"graph":"https://eflight.com/graph","graph_index":"https://eflight.com/graph/index.json","license":"https://creativecommons.org/licenses/by/4.0/","node":{"id":"grumman-acft-eng-cor-schweizer","name":"Grumman Acft Eng Cor-Schweizer","registered":325,"type":"maker","url":"https://eflight.com/makers/grumman-acft-eng-cor-schweizer"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}
