{"as_of":"2026-10-07","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Applies to","items":[{"count":2780,"name":"Continental IO-550-N","note":"","unit":"aircraft","url":"https://eflight.com/engines/continental-io-550-n#airworthiness"},{"count":9,"name":"Continental TSIO-520-B","note":"","unit":"aircraft","url":"https://eflight.com/engines/continental-tsio-520-b#airworthiness"},{"count":1,"name":"Continental TSIO-520-BB","note":"","unit":"aircraft","url":"https://eflight.com/engines/continental-tsio-520-bb#airworthiness"},{"count":4,"name":"Continental TSIO-520-D","note":"","unit":"aircraft","url":"https://eflight.com/engines/continental-tsio-520-d#airworthiness"},{"count":6,"name":"Continental TSIO-520-E","note":"","unit":"aircraft","url":"https://eflight.com/engines/continental-tsio-520-e#airworthiness"},{"count":6,"name":"Continental TSIO-520-EB","note":"","unit":"aircraft","url":"https://eflight.com/engines/continental-tsio-520-eb#airworthiness"},{"count":1,"name":"Continental TSIO-520-J","note":"","unit":"aircraft","url":"https://eflight.com/engines/continental-tsio-520-j#airworthiness"},{"count":1,"name":"Continental TSIO-520-JB","note":"","unit":"aircraft","url":"https://eflight.com/engines/continental-tsio-520-jb#airworthiness"},{"count":1,"name":"Continental TSIO-520-K","note":"","unit":"aircraft","url":"https://eflight.com/engines/continental-tsio-520-k#airworthiness"},{"count":11,"name":"Continental TSIO-520-N","note":"","unit":"aircraft","url":"https://eflight.com/engines/continental-tsio-520-n#airworthiness"},{"count":52,"name":"Continental TSIO-520-NB","note":"","unit":"aircraft","url":"https://eflight.com/engines/continental-tsio-520-nb#airworthiness"},{"count":4114,"name":"Continental TSIO-520 series","note":"","unit":"aircraft","url":"https://eflight.com/engines/continental-tsio-520-series#airworthiness"},{"count":27,"name":"Continental TSIO-520-UB","note":"","unit":"aircraft","url":"https://eflight.com/engines/continental-tsio-520-ub#airworthiness"},{"count":11,"name":"Continental TSIO-520-VB","note":"","unit":"aircraft","url":"https://eflight.com/engines/continental-tsio-520-vb#airworthiness"},{"count":2782,"name":"Continental TSIO-550-K","note":"","unit":"aircraft","url":"https://eflight.com/engines/continental-tsio-550-k#airworthiness"},{"count":1,"name":"Continental TSIOF550-D","note":"","unit":"aircraft","url":"https://eflight.com/engines/continental-tsiof550-d#airworthiness"}],"relation":"applies to"},{"group":"System","items":[{"count":null,"name":"Engine","note":"","unit":"","url":"https://eflight.com/systems/engine"}],"relation":"about"},{"group":"Related orders","items":[{"count":null,"name":"Replaces 2011-25-51","note":"","unit":"","url":"https://eflight.com/directives/2011-25-51"}],"relation":"related to"},{"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":"2012-06-08","faa_document":"https://drs.faa.gov/browse/excelExternalWindow/8574597C42D3E50F86257A0800451321.0001","id":"2012-10-13","kind":"AD","name":"Airworthiness directive 2012-10-13","published":"2012-05-24","subject":"Starter adapters","system":"engine","type":"directive","url":"https://eflight.com/directives/2012-10-13"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}