{"as_of":"2026-10-08","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Flies","items":[{"count":1,"name":"Beechcraft 58 Baron","note":"","unit":"on the certificate","url":"https://eflight.com/models/beechcraft/58"},{"count":1,"name":"Beech","note":"","unit":"on the certificate","url":"https://eflight.com/makers/beech"}],"relation":"flies"},{"group":"Where","items":[{"count":null,"name":"Valparaiso, IN","note":"where most of the aircraft on its certificate are registered","unit":"","url":""},{"count":null,"name":"Porter County Regional","note":"VPZ","unit":"","url":"https://eflight.com/airports/VPZ"},{"count":5688,"name":"Indiana","note":"","unit":"aircraft registered","url":"https://eflight.com/states/IN"}],"relation":"based in"},{"group":"Certificates and records","items":[{"count":1,"name":"FAA charter and air-taxi certificate","note":"designator M4RA","unit":"aircraft listed","url":""}],"relation":"holds"},{"group":"Aircraft","items":[{"count":null,"name":"N169RR","note":"Beech 58","unit":"","url":"https://eflight.com/aircraft/N169RR"}],"relation":"lists on its certificate"}],"graph":"https://eflight.com/graph","graph_index":"https://eflight.com/graph/index.json","license":"https://creativecommons.org/licenses/by/4.0/","node":{"aircraft_listed":1,"base_city":"Valparaiso","base_state":"IN","callsign":null,"certificate":"135","code":null,"designator":"M4RA","dot_authority":null,"id":"gerlach-and-associates-llc","name":"Gerlach and Associates LLC","type":"operator","url":"https://eflight.com/operators/gerlach-and-associates-llc"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}