{"as_of":"2026-10-26","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Fitted to","items":[{"count":1,"name":"Cgs Aviation HAWK ARROW II","note":"","unit":"with this engine series","url":"https://eflight.com/models/cgs-aviation/hawk-arrow-ii"}],"relation":"powers"},{"group":"Where they are","items":[{"count":2,"name":"Georgia","note":"","unit":"of these aircraft","url":"https://eflight.com/states/GA"},{"count":1,"name":"Oregon","note":"","unit":"of these aircraft","url":"https://eflight.com/states/OR"},{"count":1,"name":"Ohio","note":"","unit":"of these aircraft","url":"https://eflight.com/states/OH"},{"count":1,"name":"New York","note":"","unit":"of these aircraft","url":"https://eflight.com/states/NY"},{"count":1,"name":"New Mexico","note":"","unit":"of these aircraft","url":"https://eflight.com/states/NM"}],"relation":"registered in"},{"group":"Analytics","items":[{"count":null,"name":"The fleet by engine type","note":"","unit":"","url":"https://eflight.com/analytics/fleet"},{"count":null,"name":"Every engine series","note":"","unit":"","url":"https://eflight.com/engines"}],"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":{"aircraft":8,"horsepower":270,"id":"hirth-3500-series","maker":"Hirth","name":"Hirth 3500 series","thrust_lb":null,"type":"Piston (reciprocating)","url":"https://eflight.com/engines/hirth-3500-series"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}