{"as_of":"2026-10-29","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Design","items":[{"count":5,"name":"Cessna UC-78","note":"","unit":"registered","url":"https://eflight.com/models/cessna/uc-78"},{"count":72683,"name":"Cessna","note":"","unit":"aircraft on the register","url":"https://eflight.com/makers/cessna"},{"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":"Owner","items":[{"count":2,"name":"Pioneer Valley Military and Transportation Museum","note":"","unit":"aircraft registered to this organisation","url":"https://eflight.com/search?q=Pioneer Valley Military and Transportation Museum"}],"relation":"owned by"},{"group":"Place","items":[{"count":37,"name":"Westfield, MA","note":"","unit":"aircraft registered in this town","url":""},{"count":2649,"name":"Massachusetts","note":"","unit":"aircraft registered","url":"https://eflight.com/states/MA"}],"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/N51639#records-check"}],"relation":"involved in"},{"group":"Analytics","items":[{"count":null,"name":"Accident history of the Cessna UC-78","note":"","unit":"","url":"https://eflight.com/models/cessna/uc-78#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 N51639 is now","note":"","unit":"","url":"https://eflight.com/live?q=N51639"}],"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":"The Bobcat twin of the 1940s: steel-tube fuselage, wooden wings, fabric."},"id":"N51639","maker":"Cessna","model":"UC-78","name":"Cessna UC-78 N51639","state":"MA","type":"aircraft","url":"https://eflight.com/aircraft/N51639","year_built":null},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}