{"as_of":"2026-11-06","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Design","items":[{"count":2,"name":"Carson Stilson","note":"","unit":"aircraft on the register","url":"https://eflight.com/makers/carson-stilson"}],"relation":"is a"},{"group":"Engine","items":[{"count":22,"name":"Lycoming YIO-390EXP289","note":"210 hp","unit":"aircraft with this engine series","url":"https://eflight.com/engines/lycoming-yio-390exp289"}],"relation":"powered by"},{"group":"Place","items":[{"count":189,"name":"Saint George, UT","note":"","unit":"aircraft registered in this town","url":""},{"count":8357,"name":"Utah","note":"","unit":"aircraft registered","url":"https://eflight.com/states/UT"}],"relation":"registered in"},{"group":"Record","items":[{"count":null,"name":"Accident on June 3, 2017 at San Juan, PR: fatal, destroyed (1 fatal)","note":"","unit":"","url":"https://eflight.com/accidents/ERA17FA195"}],"relation":"involved in"},{"group":"Live","items":[{"count":null,"name":"Where N21WW is now","note":"","unit":"","url":"https://eflight.com/live?q=N21WW"}],"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":"N21WW","maker":"Carson Stilson","model":"STOL CH 750SD","name":"Carson Stilson STOL CH 750SD N21WW","state":"UT","type":"aircraft","url":"https://eflight.com/aircraft/N21WW","year_built":2025},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}
