{"as_of":"2026-10-08","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Where","items":[{"count":null,"name":"Missoula, MT","note":"the town on the certificate","unit":"","url":""},{"count":null,"name":"Missoula Montana Airport","note":"MSO","unit":"","url":"https://eflight.com/airports/MSO"},{"count":6043,"name":"Montana","note":"","unit":"aircraft registered","url":"https://eflight.com/states/MT"},{"count":764,"name":"Aircraft registered in Missoula","note":"","unit":"registered","url":"https://eflight.com/aircraft?city=Missoula&state=MT"}],"relation":"works in"},{"group":"Certificate","items":[{"count":null,"name":"FAA repair station certificate (Part 145)","note":"NH2D031L","unit":"","url":""},{"count":1,"name":"Other locations of Aerotronics INC","note":"","unit":"certificates","url":"https://eflight.com/repair-stations/aerotronics-inc#locations"}],"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":"NH2D031L","city":"Missoula","country":"United States","id":"aerotronics-inc","name":"Aerotronics INC","state":"MT","type":"repair-station","url":"https://eflight.com/repair-stations/aerotronics-inc"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}