{"as_of":"2026-11-11","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Design","items":[{"count":37,"name":"Pilatus B-4","note":"","unit":"registered","url":"https://eflight.com/models/pilatus/b-4"},{"count":403,"name":"Pilatus","note":"","unit":"aircraft on the register","url":"https://eflight.com/makers/pilatus"},{"count":null,"name":"Built of aluminium","note":"as the model family is built; the register does not record it per aircraft","unit":"","url":"https://eflight.com/materials/aluminium"}],"relation":"is a"},{"group":"Owner","items":[{"count":5,"name":"Dmc Aircraft LLC","note":"","unit":"aircraft in the fleet","url":"https://eflight.com/fleets/dmc-aircraft-llc"}],"relation":"owned by"},{"group":"Place","items":[{"count":459,"name":"Naples, FL","note":"","unit":"aircraft registered in this town","url":""},{"count":null,"name":"Naples Municipal","note":"APF","unit":"","url":"https://eflight.com/airports/APF"},{"count":21708,"name":"Florida","note":"","unit":"aircraft registered","url":"https://eflight.com/states/FL"}],"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/N99974#records-check"}],"relation":"involved in"},{"group":"Airworthiness","items":[{"count":4,"name":"FAA orders naming the Pilatus B-4","note":"","unit":"airworthiness directives","url":"https://eflight.com/models/pilatus/b-4#airworthiness"},{"count":1,"name":"Failure reports filed on the Pilatus B-4","note":"","unit":"reports since 1995","url":"https://eflight.com/models/pilatus/b-4#airworthiness"}],"relation":"subject to"},{"group":"Analytics","items":[{"count":null,"name":"Accident history of the Pilatus B-4","note":"","unit":"","url":"https://eflight.com/models/pilatus/b-4#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 N99974 is now","note":"","unit":"","url":"https://eflight.com/live?q=N99974"}],"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":"aluminium","name":"aluminium","note":"An all-metal glider."},"id":"N99974","maker":"Pilatus","model":"B-4","name":"Pilatus B-4 N99974","state":"FL","type":"aircraft","url":"https://eflight.com/aircraft/N99974","year_built":1974},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}