{"as_of":"2026-11-03","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Engines","items":[{"count":2,"name":"Avia M-137A","note":"180 hp","unit":"of these aircraft","url":"https://eflight.com/engines/avia-m-137a"},{"count":1,"name":"Lycoming AEIO-360 series","note":"180 hp","unit":"of these aircraft","url":"https://eflight.com/engines/lycoming-aeio-360-series"},{"count":1,"name":"Lom M137A","note":"180 hp","unit":"of these aircraft","url":"https://eflight.com/engines/lom-m137a"},{"count":1,"name":"Avia M337AK","note":"210 hp","unit":"of these aircraft","url":"https://eflight.com/engines/avia-m337ak"}],"relation":"powered by"},{"group":"Where they are","items":[{"count":1,"name":"Virginia","note":"","unit":"of these aircraft","url":"https://eflight.com/states/VA"},{"count":1,"name":"Pennsylvania","note":"","unit":"of these aircraft","url":"https://eflight.com/states/PA"},{"count":1,"name":"Ohio","note":"","unit":"of these aircraft","url":"https://eflight.com/states/OH"},{"count":1,"name":"North Carolina","note":"","unit":"of these aircraft","url":"https://eflight.com/states/NC"},{"count":1,"name":"Michigan","note":"","unit":"of these aircraft","url":"https://eflight.com/states/MI"}],"relation":"registered in"},{"group":"Biggest operators","items":[{"count":1,"name":"Owls Head Transportation Museum","note":"","unit":"of these aircraft","url":"https://eflight.com/fleets/owls-head-transportation-museum"}],"relation":"owned by"},{"group":"Record","items":[{"count":6,"name":"NTSB accidents and incidents involving Zlin aircraft","note":"as the NTSB spells the maker's name","unit":"cases since 1982","url":"https://eflight.com/analytics/accidents-by-model"}],"relation":"involved in"},{"group":"Analytics","items":[{"count":null,"name":"Biggest makers and model families","note":"","unit":"","url":"https://eflight.com/analytics/makers"},{"count":null,"name":"Accidents by model and by maker","note":"","unit":"","url":"https://eflight.com/analytics/accidents-by-model"}],"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":{"id":"zlin","name":"Zlin","registered":9,"type":"maker","url":"https://eflight.com/makers/zlin"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}