{"as_of":"2026-10-27","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Applies to","items":[{"count":67,"name":"Learjet 55","note":"","unit":"registered","url":"https://eflight.com/models/learjet/55#airworthiness"}],"relation":"applies to"},{"group":"System","items":[{"count":null,"name":"Emergency equipment","note":"","unit":"","url":"https://eflight.com/systems/emergency"}],"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":"2009-03-05","faa_document":"https://drs.faa.gov/browse/excelExternalWindow/4F6074C0D44CC05186257561005087A3.0001","id":"2009-03-01","kind":"AD","name":"Airworthiness directive 2009-03-01","published":"2009-02-18","subject":"Lavatory light assembly","system":"emergency","type":"directive","url":"https://eflight.com/directives/2009-03-01"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}