{"as_of":"2026-10-07","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Applies to","items":[{"count":5,"name":"Erickson S-64","note":"","unit":"registered","url":"https://eflight.com/models/erickson/s-64#airworthiness"},{"count":5,"name":"Helicopter Transport Services CH-54","note":"","unit":"registered","url":"https://eflight.com/models/helicopter-transport-services/ch-54#airworthiness"},{"count":54,"name":"Sikorsky S-61","note":"","unit":"registered","url":"https://eflight.com/models/sikorsky/s-61#airworthiness"},{"count":16,"name":"Sikorsky S-64","note":"","unit":"registered","url":"https://eflight.com/models/sikorsky/s-64#airworthiness"}],"relation":"applies to"},{"group":"System","items":[{"count":null,"name":"Heating, ice protection and utility systems","note":"","unit":"","url":"https://eflight.com/systems/utility"}],"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":"1976-03-24","faa_document":"https://drs.faa.gov/browse/excelExternalWindow/3316DC0A1D621DC086256A5600473F3C.0001","id":"76-06-01","kind":"AD","name":"Airworthiness directive 76-06-01","published":"","subject":"Hydraulic Pumps","system":"utility","type":"directive","url":"https://eflight.com/directives/76-06-01"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}