{"as_of":"2026-10-23","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Design","items":[{"count":1,"name":"Heath-Lamb","note":"","unit":"aircraft on the register","url":""}],"relation":"is a"},{"group":"Owner","items":[{"count":55,"name":"Port Townsend Aero Museum","note":"","unit":"aircraft in the fleet","url":"https://eflight.com/fleets/port-townsend-aero-museum"}],"relation":"owned by"},{"group":"Place","items":[{"count":120,"name":"Port Townsend, WA","note":"","unit":"aircraft registered in this town","url":""},{"count":null,"name":"Jefferson County International","note":"0S9","unit":"","url":"https://eflight.com/airports/0S9"},{"count":10570,"name":"Washington","note":"","unit":"aircraft registered","url":"https://eflight.com/states/WA"}],"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/N40HH#records-check"}],"relation":"involved in"},{"group":"Live","items":[{"count":null,"name":"Where N40HH is now","note":"","unit":"","url":"https://eflight.com/live?q=N40HH"}],"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":null,"id":"N40HH","maker":"Heath-Lamb","model":"V","name":"Heath-Lamb V N40HH","state":"WA","type":"aircraft","url":"https://eflight.com/aircraft/N40HH","year_built":null},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}