{"as_of":"2026-10-07","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Covers","items":[{"count":56,"name":"Head Balloons Inc AX7","note":"","unit":"registered","url":"https://eflight.com/models/head-balloons-inc/ax7"},{"count":116,"name":"Head Balloons Inc AX8","note":"","unit":"registered","url":"https://eflight.com/models/head-balloons-inc/ax8"},{"count":25,"name":"Head Balloons Inc AX9","note":"","unit":"registered","url":"https://eflight.com/models/head-balloons-inc/ax9"}],"relation":"covers"},{"group":"Held by","items":[{"count":null,"name":"Head Balloons INC.","note":"","unit":"","url":"https://eflight.com/holders/head-balloons-inc"}],"relation":"held by"},{"group":"Orders","items":[{"count":1,"name":"FAA orders on these designs","note":"","unit":"airworthiness directives","url":"https://eflight.com/certificates/A29SO"},{"count":null,"name":"2013-03-10: Hardware","note":"2013-03-19","unit":"","url":"https://eflight.com/directives/2013-03-10"}],"relation":"subject to"},{"group":"More","items":[{"count":null,"name":"Every type certificate","note":"","unit":"","url":"https://eflight.com/certificates"},{"count":null,"name":"Who holds what","note":"","unit":"","url":"https://eflight.com/holders"}],"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":{"faa_document":"https://drs.faa.gov/browse/excelExternalWindow/367DFFFA5A2810FA86257593004DEFD7.0001","holder":"Head Balloons Inc.","id":"A29SO","models":["AX7-77b","AX9-118","AX8-88","AX7-77","AX8-105","AX8-88b"],"name":"Type certificate A29SO","product_type":"Aircraft","type":"certificate","url":"https://eflight.com/certificates/A29SO"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}