{"as_of":"2026-10-27","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Design","items":[{"count":7,"name":"Porterfield FP-65","note":"","unit":"registered","url":"https://eflight.com/models/porterfield/fp-65"},{"count":77,"name":"Porterfield","note":"","unit":"aircraft on the register","url":"https://eflight.com/makers/porterfield"},{"count":null,"name":"Built of steel tube, wood and fabric","note":"as the model family is built; the register does not record it per aircraft","unit":"","url":"https://eflight.com/materials/steel-wood-fabric"}],"relation":"is a"},{"group":"Engine","items":[{"count":89,"name":"Franklin 4AC199D&E series","note":"90 hp","unit":"aircraft with this engine series","url":"https://eflight.com/engines/franklin-4ac199d-e-series"}],"relation":"powered by"},{"group":"Place","items":[{"count":4,"name":"Grantham, NH","note":"","unit":"aircraft registered in this town","url":""},{"count":1557,"name":"New Hampshire","note":"","unit":"aircraft registered","url":"https://eflight.com/states/NH"}],"relation":"registered in"},{"group":"Record","items":[{"count":null,"name":"No NTSB accident or incident record under this tail number","note":"","unit":"","url":"https://eflight.com/aircraft/N41VT#records-check"}],"relation":"involved in"},{"group":"Airworthiness","items":[{"count":21,"name":"Approved modifications for the Porterfield FP-65","note":"","unit":"supplemental type certificates","url":"https://eflight.com/models/porterfield/fp-65#airworthiness"}],"relation":"subject to"},{"group":"Analytics","items":[{"count":null,"name":"Accident history of the Porterfield FP-65","note":"","unit":"","url":"https://eflight.com/models/porterfield/fp-65#accidents"},{"count":null,"name":"Accidents by model, with rates per thousand registered","note":"","unit":"","url":"https://eflight.com/analytics/accidents-by-model"}],"relation":"compared in"},{"group":"Live","items":[{"count":null,"name":"Where N41VT is now","note":"","unit":"","url":"https://eflight.com/live?q=N41VT"}],"relation":"seen at"}],"graph":"https://eflight.com/graph","graph_index":"https://eflight.com/graph/index.json","license":"https://creativecommons.org/licenses/by/4.0/","node":{"built_of":{"inherited_from_model":true,"material":"steel-wood-fabric","name":"steel tube, wood and fabric","note":"A steel-tube fuselage and wooden wings under fabric."},"id":"N41VT","maker":"Porterfield","model":"FP-65","name":"Porterfield FP-65 N41VT","state":"NH","type":"aircraft","url":"https://eflight.com/aircraft/N41VT","year_built":1941},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}