{"as_of":"2026-10-05","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Covers","items":[{"count":168,"name":"Great Lakes 2","note":"","unit":"registered","url":"https://eflight.com/models/great-lakes/2"}],"relation":"covers"},{"group":"Held by","items":[{"count":null,"name":"Great Lakes Aircraft Company","note":"","unit":"","url":"https://eflight.com/holders/great-lakes-aircraft-company"}],"relation":"held by"},{"group":"Orders","items":[{"count":7,"name":"FAA orders on these designs","note":"","unit":"airworthiness directives","url":"https://eflight.com/certificates/ATC 167"},{"count":null,"name":"2022-03-15: Fuel Quantity Indicator","note":"2022-03-21","unit":"","url":"https://eflight.com/directives/2022-03-15"},{"count":null,"name":"2012-11-08: Horizontal Stabilizer Spar/Rib","note":"2012-06-20","unit":"","url":"https://eflight.com/directives/2012-11-08"},{"count":null,"name":"2004-25-22: Engine induction system","note":"2005-01-28","unit":"","url":"https://eflight.com/directives/2004-25-22"},{"count":null,"name":"78-26-10 R1: Cockpit Heater System","note":"1986-12-17","unit":"","url":"https://eflight.com/directives/78-26-10 R1"}],"relation":"subject to"},{"group":"More","items":[{"count":null,"name":"Every type certificate","note":"","unit":"","url":"https://eflight.com/certificates"},{"count":null,"name":"Who holds what","note":"","unit":"","url":"https://eflight.com/holders"}],"relation":"see also"}],"graph":"https://eflight.com/graph","graph_index":"https://eflight.com/graph/index.json","license":"https://creativecommons.org/licenses/by/4.0/","node":{"faa_document":"https://drs.faa.gov/browse/excelExternalWindow/985258E8BFE01AC38525673700630E64.0001","holder":"Great Lakes Aircraft Company","id":"ATC 167","models":["2T-1"],"name":"Type certificate ATC 167","product_type":"Aircraft","type":"certificate","url":"https://eflight.com/certificates/ATC 167"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}