{"as_of":"2026-10-05","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Applies to","items":[{"count":2,"name":"Lycoming GO-435-C2A","note":"","unit":"aircraft","url":"https://eflight.com/engines/lycoming-go-435-c2a#airworthiness"},{"count":5,"name":"Lycoming GO-435-C2A2","note":"","unit":"aircraft","url":"https://eflight.com/engines/lycoming-go-435-c2a2#airworthiness"},{"count":1,"name":"Lycoming GO-480-B","note":"","unit":"aircraft","url":"https://eflight.com/engines/lycoming-go-480-b#airworthiness"},{"count":10,"name":"Lycoming GO-480-B1A6","note":"","unit":"aircraft","url":"https://eflight.com/engines/lycoming-go-480-b1a6#airworthiness"},{"count":1,"name":"Lycoming GO-480-B1D","note":"","unit":"aircraft","url":"https://eflight.com/engines/lycoming-go-480-b1d#airworthiness"},{"count":1,"name":"Lycoming GO-480-F4A6","note":"","unit":"aircraft","url":"https://eflight.com/engines/lycoming-go-480-f4a6#airworthiness"},{"count":1,"name":"Lycoming GO-480-G1A6","note":"","unit":"aircraft","url":"https://eflight.com/engines/lycoming-go-480-g1a6#airworthiness"},{"count":1,"name":"Lycoming GO-480-G1B6","note":"","unit":"aircraft","url":"https://eflight.com/engines/lycoming-go-480-g1b6#airworthiness"},{"count":7,"name":"Lycoming GO-480-G1D6","note":"","unit":"aircraft","url":"https://eflight.com/engines/lycoming-go-480-g1d6#airworthiness"},{"count":3,"name":"Lycoming GO-480-G2D6","note":"","unit":"aircraft","url":"https://eflight.com/engines/lycoming-go-480-g2d6#airworthiness"},{"count":1,"name":"Lycoming GO-480-G2F6","note":"","unit":"aircraft","url":"https://eflight.com/engines/lycoming-go-480-g2f6#airworthiness"},{"count":246,"name":"Lycoming GO-480 series","note":"","unit":"aircraft","url":"https://eflight.com/engines/lycoming-go-480-series#airworthiness"},{"count":1,"name":"Lycoming GSO-480-B1B6","note":"","unit":"aircraft","url":"https://eflight.com/engines/lycoming-gso-480-b1b6#airworthiness"},{"count":3,"name":"Lycoming GSO-480-B1J6","note":"","unit":"aircraft","url":"https://eflight.com/engines/lycoming-gso-480-b1j6#airworthiness"},{"count":9,"name":"Lycoming IGO-540-B1A","note":"","unit":"aircraft","url":"https://eflight.com/engines/lycoming-igo-540-b1a#airworthiness"},{"count":1,"name":"Lycoming IGSO-480-A1E6","note":"","unit":"aircraft","url":"https://eflight.com/engines/lycoming-igso-480-a1e6#airworthiness"},{"count":48,"name":"Lycoming IGSO-540-B1A","note":"","unit":"aircraft","url":"https://eflight.com/engines/lycoming-igso-540-b1a#airworthiness"}],"relation":"applies to"},{"group":"System","items":[{"count":null,"name":"Engine","note":"","unit":"","url":"https://eflight.com/systems/engine"}],"relation":"about"},{"group":"More","items":[{"count":null,"name":"Every FAA order","note":"","unit":"","url":"https://eflight.com/directives"},{"count":null,"name":"Every aircraft system","note":"","unit":"","url":"https://eflight.com/systems"}],"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":{"effective":"1970-02-19","faa_document":"https://drs.faa.gov/browse/excelExternalWindow/6EF923DC553107FB86256E0100547849.0001","id":"69-25-08","kind":"AD","name":"Airworthiness directive 69-25-08","published":"","subject":"Reduction Gear Assemblies","system":"engine","type":"directive","url":"https://eflight.com/directives/69-25-08"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}
