{"as_of":"2026-10-08","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Where","items":[{"count":null,"name":"Eugene, OR","note":"the town on the certificate","unit":"","url":""},{"count":null,"name":"Mahlon Sweet Field","note":"EUG","unit":"","url":"https://eflight.com/airports/EUG"},{"count":7013,"name":"Oregon","note":"","unit":"aircraft registered","url":"https://eflight.com/states/OR"},{"count":211,"name":"Aircraft registered in Eugene","note":"","unit":"registered","url":"https://eflight.com/aircraft?city=Eugene&state=OR"}],"relation":"works in"},{"group":"Certificate","items":[{"count":null,"name":"FAA repair station certificate (Part 145)","note":"R97R316Y","unit":"","url":""}],"relation":"holds"}],"graph":"https://eflight.com/graph","graph_index":"https://eflight.com/graph/index.json","license":"https://creativecommons.org/licenses/by/4.0/","node":{"certificate":"R97R316Y","city":"Eugene","country":"United States","id":"rosen-aviation-llc","name":"Rosen Aviation, LLC","state":"OR","type":"repair-station","url":"https://eflight.com/repair-stations/rosen-aviation-llc"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}