{"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 LLC","note":"","unit":"","url":"https://eflight.com/holders/hartzell-propeller-llc"}],"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/DRSDOCID161733084120250403143132.0001","holder":"Hartzell Propeller LLC","id":"P31EA","models":["HC-F3YR-2","HC-F3YK-2","HC-M3YR-1","HC-F3YK-1","HC-F3YR-1"],"name":"Type certificate P31EA","product_type":"Propeller","type":"certificate","url":"https://eflight.com/certificates/P31EA"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}