{"as_of":"2026-10-08","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Flies","items":[{"count":3,"name":"Pilatus PC-12","note":"","unit":"on the certificate","url":"https://eflight.com/models/pilatus/pc-12"},{"count":2,"name":"Learjet 45","note":"","unit":"on the certificate","url":"https://eflight.com/models/learjet/45"},{"count":5,"name":"Pilatus Aircraft Ltd","note":"","unit":"on the certificate","url":"https://eflight.com/makers/pilatus-aircraft-ltd"},{"count":2,"name":"Learjet Inc","note":"","unit":"on the certificate","url":"https://eflight.com/makers/learjet-inc"}],"relation":"flies"},{"group":"Where","items":[{"count":null,"name":"Lititz, PA","note":"where it registers its own aircraft","unit":"","url":""},{"count":6176,"name":"Pennsylvania","note":"","unit":"aircraft registered","url":"https://eflight.com/states/PA"}],"relation":"based in"},{"group":"Certificates and records","items":[{"count":7,"name":"Aero-Tech Services INC","note":"the aircraft the FAA register lists under this name","unit":"aircraft in the fleet","url":"https://eflight.com/fleets/aero-tech-services-inc"},{"count":7,"name":"FAA charter and air-taxi certificate","note":"designator O3TA","unit":"aircraft listed","url":""}],"relation":"holds"},{"group":"Aircraft","items":[{"count":null,"name":"N145PJ","note":"Learjet Inc 45","unit":"","url":"https://eflight.com/aircraft/N145PJ"},{"count":null,"name":"N63DZ","note":"Learjet Inc 45","unit":"","url":"https://eflight.com/aircraft/N63DZ"},{"count":null,"name":"N610GH","note":"Pilatus Aircraft Ltd PC-12","unit":"","url":"https://eflight.com/aircraft/N610GH"},{"count":null,"name":"N644SD","note":"Pilatus Aircraft Ltd PC-12/45","unit":"","url":"https://eflight.com/aircraft/N644SD"},{"count":null,"name":"N681NG","note":"Pilatus Aircraft Ltd PC-12/47E","unit":"","url":"https://eflight.com/aircraft/N681NG"},{"count":null,"name":"N757TS","note":"Pilatus Aircraft Ltd PC-12/47E","unit":"","url":"https://eflight.com/aircraft/N757TS"},{"count":null,"name":"All 7 aircraft on the certificate","note":"","unit":"","url":"https://eflight.com/operators/aero-tech-services-inc#aircraft"}],"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":7,"base_city":"Lititz","base_state":"PA","callsign":null,"certificate":"135","code":null,"designator":"O3TA","dot_authority":null,"id":"aero-tech-services-inc","name":"Aero-Tech Services INC","type":"operator","url":"https://eflight.com/operators/aero-tech-services-inc"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}