{"as_of":"2026-11-09","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Design","items":[{"count":46,"name":"Classic Aircraft Corp WACO YMF","note":"","unit":"registered","url":"https://eflight.com/models/classic-aircraft-corp/waco-ymf"},{"count":46,"name":"Classic Aircraft Corp","note":"","unit":"aircraft on the register","url":"https://eflight.com/makers/classic-aircraft-corp"},{"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":210,"name":"Jacobs R755B series","note":"275 hp","unit":"aircraft with this engine series","url":"https://eflight.com/engines/jacobs-r755b-series"}],"relation":"powered by"},{"group":"Owner","items":[{"count":1,"name":"Timeless Aviation LLC","note":"","unit":"aircraft registered to this organisation","url":"https://eflight.com/search?q=Timeless Aviation LLC"}],"relation":"owned by"},{"group":"Place","items":[{"count":4,"name":"Cedar Lake, IN","note":"","unit":"aircraft registered in this town","url":""},{"count":null,"name":"Cedar Lake Seaplane Base","note":"IN7","unit":"","url":"https://eflight.com/airports/IN7"},{"count":5702,"name":"Indiana","note":"","unit":"aircraft registered","url":"https://eflight.com/states/IN"}],"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/N21WF#records-check"}],"relation":"involved in"},{"group":"Analytics","items":[{"count":null,"name":"Accident history of the Classic Aircraft Corp WACO YMF","note":"","unit":"","url":"https://eflight.com/models/classic-aircraft-corp/waco-ymf#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 N21WF is now","note":"","unit":"","url":"https://eflight.com/live?q=N21WF"}],"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 new-production Waco biplane, built the old way: steel-tube fuselage, wooden wings, fabric."},"id":"N21WF","maker":"Classic Aircraft Corp","model":"WACO YMF","name":"Classic Aircraft Corp WACO YMF N21WF","state":"IN","type":"aircraft","url":"https://eflight.com/aircraft/N21WF","year_built":1989},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}