{"as_of":"2026-10-09","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Where","items":[{"count":null,"name":"Linden, NJ","note":"the town on the certificate","unit":"","url":""},{"count":null,"name":"Linden Airport","note":"LDJ","unit":"","url":"https://eflight.com/airports/LDJ"},{"count":3024,"name":"New Jersey","note":"","unit":"aircraft registered","url":"https://eflight.com/states/NJ"},{"count":23,"name":"Aircraft registered in Linden","note":"","unit":"registered","url":"https://eflight.com/aircraft?city=Linden&state=NJ"}],"relation":"works in"},{"group":"Certificate","items":[{"count":null,"name":"FAA repair station certificate (Part 145)","note":"H44R404H","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":"H44R404H","city":"Linden","country":"United States","id":"helicopter-flight-services-inc","name":"Helicopter Flight Services INC","state":"NJ","type":"repair-station","url":"https://eflight.com/repair-stations/helicopter-flight-services-inc"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}