{"as_of":"2026-10-05","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Covers","items":[{"count":1,"name":"Lycoming O-290-C","note":"","unit":"aircraft","url":"https://eflight.com/engines/lycoming-o-290-c"},{"count":45,"name":"Lycoming O-290-D","note":"","unit":"aircraft","url":"https://eflight.com/engines/lycoming-o-290-d"},{"count":59,"name":"Lycoming O-290-D2","note":"","unit":"aircraft","url":"https://eflight.com/engines/lycoming-o-290-d2"},{"count":6,"name":"Lycoming O-290-D2B","note":"","unit":"aircraft","url":"https://eflight.com/engines/lycoming-o-290-d2b"},{"count":2125,"name":"Lycoming O-290 series","note":"","unit":"aircraft","url":"https://eflight.com/engines/lycoming-o-290-series"}],"relation":"covers"},{"group":"Held by","items":[{"count":null,"name":"Lycoming Division Avco Corporation","note":"","unit":"","url":"https://eflight.com/holders/lycoming-division-avco-corporation"}],"relation":"held by"},{"group":"Orders","items":[{"count":9,"name":"FAA orders on these designs","note":"","unit":"airworthiness directives","url":"https://eflight.com/certificates/E-229"},{"count":null,"name":"2026-04-11: Engine (Reciprocating)","note":"2026-04-08","unit":"","url":"https://eflight.com/directives/2026-04-11"},{"count":null,"name":"2012-03-07: Carburetor","note":"2012-03-27","unit":"","url":"https://eflight.com/directives/2012-03-07"},{"count":null,"name":"2004-10-14: Crankshaft gear","note":"2004-06-25","unit":"","url":"https://eflight.com/directives/2004-10-14"},{"count":null,"name":"98-17-11: Crankshafts","note":"1998-10-19","unit":"","url":"https://eflight.com/directives/98-17-11"}],"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/2ACA0AABBB374F1F8625854D00382616.0001","holder":"Lycoming Division AVCO Corporation","id":"E-229","models":["O-290-D2","O-290-D","O-290-B","O-290-A","O-290-CP","O-290-AP","O-290-D2A","O-290-C","O-290-D2C","O-290-D2B"],"name":"Type certificate E-229","product_type":"Engine","type":"certificate","url":"https://eflight.com/certificates/E-229"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}