{"as_of":"2026-10-07","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Applies to","items":[{"count":6,"name":"Learjet 23","note":"","unit":"registered","url":"https://eflight.com/models/learjet/23#airworthiness"},{"count":16,"name":"Learjet 24","note":"","unit":"registered","url":"https://eflight.com/models/learjet/24#airworthiness"},{"count":23,"name":"Learjet 25","note":"","unit":"registered","url":"https://eflight.com/models/learjet/25#airworthiness"},{"count":119,"name":"Learjet 31","note":"","unit":"registered","url":"https://eflight.com/models/learjet/31#airworthiness"},{"count":67,"name":"Learjet 55","note":"","unit":"registered","url":"https://eflight.com/models/learjet/55#airworthiness"},{"count":239,"name":"Learjet 60","note":"","unit":"registered","url":"https://eflight.com/models/learjet/60#airworthiness"}],"relation":"applies to"},{"group":"System","items":[{"count":null,"name":"Flight controls","note":"","unit":"","url":"https://eflight.com/systems/flight-controls"}],"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":"1999-09-07","faa_document":"https://drs.faa.gov/browse/excelExternalWindow/BCEDDAE8B5393456862569890076F8D5.0001","id":"99-16-03","kind":"AD","name":"Airworthiness directive 99-16-03","published":"1999-08-02","subject":"Horizontal Stabilizer Anti-Ice System","system":"flight-controls","type":"directive","url":"https://eflight.com/directives/99-16-03"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}