{"as_of":"2026-10-29","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Fitted to","items":[{"count":5,"name":"Piper J-3 Cub","note":"","unit":"with this engine series","url":"https://eflight.com/models/piper/j-3"},{"count":2,"name":"Taylorcraft BF","note":"","unit":"with this engine series","url":"https://eflight.com/models/taylorcraft/bf"},{"count":1,"name":"Aeronca 50","note":"","unit":"with this engine series","url":"https://eflight.com/models/aeronca/50"}],"relation":"powers"},{"group":"Where they are","items":[{"count":2,"name":"Pennsylvania","note":"","unit":"of these aircraft","url":"https://eflight.com/states/PA"},{"count":2,"name":"Florida","note":"","unit":"of these aircraft","url":"https://eflight.com/states/FL"},{"count":1,"name":"Ohio","note":"","unit":"of these aircraft","url":"https://eflight.com/states/OH"},{"count":1,"name":"Michigan","note":"","unit":"of these aircraft","url":"https://eflight.com/states/MI"},{"count":1,"name":"Maine","note":"","unit":"of these aircraft","url":"https://eflight.com/states/ME"}],"relation":"registered in"},{"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":8,"horsepower":50,"id":"franklin-4ac150-50","maker":"Franklin","name":"Franklin 4AC150-50","thrust_lb":null,"type":"Piston (reciprocating)","url":"https://eflight.com/engines/franklin-4ac150-50"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}