{"as_of":"2026-10-05","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Fitted to","items":[{"count":4,"name":"Rockwell International 114","note":"","unit":"with this engine series","url":"https://eflight.com/models/rockwell-international/114"}],"relation":"powers"},{"group":"Where they are","items":[{"count":1,"name":"South Carolina","note":"","unit":"of these aircraft","url":"https://eflight.com/states/SC"},{"count":1,"name":"North Carolina","note":"","unit":"of these aircraft","url":"https://eflight.com/states/NC"},{"count":1,"name":"Georgia","note":"","unit":"of these aircraft","url":"https://eflight.com/states/GA"},{"count":1,"name":"Florida","note":"","unit":"of these aircraft","url":"https://eflight.com/states/FL"}],"relation":"registered in"},{"group":"Airworthiness","items":[{"count":31,"name":"FAA orders naming the Lycoming IO-540-T4A5D","note":"","unit":"airworthiness directives","url":"https://eflight.com/engines/lycoming-io-540-t4a5d#airworthiness"}],"relation":"subject to"},{"group":"Analytics","items":[{"count":null,"name":"The fleet by engine type","note":"","unit":"","url":"https://eflight.com/analytics/fleet"},{"count":null,"name":"Every engine series","note":"","unit":"","url":"https://eflight.com/engines"}],"relation":"compared in"}],"graph":"https://eflight.com/graph","graph_index":"https://eflight.com/graph/index.json","license":"https://creativecommons.org/licenses/by/4.0/","node":{"aircraft":4,"horsepower":260,"id":"lycoming-io-540-t4a5d","maker":"Lycoming","name":"Lycoming IO-540-T4A5D","thrust_lb":null,"type":"Piston (reciprocating)","url":"https://eflight.com/engines/lycoming-io-540-t4a5d"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}