{"as_of":"2026-10-07","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Held by","items":[{"count":null,"name":"Hartzell Propeller INC.","note":"","unit":"","url":"https://eflight.com/holders/hartzell-propeller-inc"}],"relation":"held by"},{"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/00B59BF7FF22A0E986257DEF006FC287.0001","holder":"Hartzell Propeller Inc.","id":"P28EA","models":["HC-B3R30-4","HC-B3R30-1","HC-B3R30-2","HC-B3R20-4"],"name":"Type certificate P28EA","product_type":"Propeller","type":"certificate","url":"https://eflight.com/certificates/P28EA"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}