{"as_of":"2026-10-07","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Covers","items":[{"count":935,"name":"Piper PA-31 Navajo and Chieftain","note":"","unit":"registered","url":"https://eflight.com/models/piper/pa-31"}],"relation":"covers"},{"group":"Held by","items":[{"count":null,"name":"Piper Aircraft INC.","note":"","unit":"","url":"https://eflight.com/holders/piper-aircraft-inc"}],"relation":"held by"},{"group":"Orders","items":[{"count":114,"name":"FAA orders on these designs","note":"","unit":"airworthiness directives","url":"https://eflight.com/certificates/A8EA"},{"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":"2017-10-20: Fuselage--Main Bulkhead","note":"2017-06-29","unit":"","url":"https://eflight.com/directives/2017-10-20"},{"count":null,"name":"2017-02-06: Electrical Power/Electrical Power System Wiring","note":"2017-02-22","unit":"","url":"https://eflight.com/directives/2017-02-06"},{"count":null,"name":"2016-08-18: Engine Fuel and Control","note":"2016-06-06","unit":"","url":"https://eflight.com/directives/2016-08-18"}],"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/4E30B03FC2BEFF3786257BB9004C3EFB.0001","holder":"Piper Aircraft Inc.","id":"A8EA","models":["PA-31T2","PA-31P-350","PA-31T","PA-31T1","PA-31P","PA-31T3"],"name":"Type certificate A8EA","product_type":"Aircraft","type":"certificate","url":"https://eflight.com/certificates/A8EA"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}