{"as_of":"2026-10-23","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Model families","items":[{"count":189,"name":"Waco UPF-7","note":"","unit":"registered","url":"https://eflight.com/models/waco/upf-7"},{"count":35,"name":"Waco RNF","note":"","unit":"registered","url":"https://eflight.com/models/waco/rnf"},{"count":33,"name":"Waco ASO","note":"","unit":"registered","url":"https://eflight.com/models/waco/aso"},{"count":33,"name":"Waco GXE","note":"","unit":"registered","url":"https://eflight.com/models/waco/gxe"},{"count":27,"name":"Waco ATO","note":"","unit":"registered","url":"https://eflight.com/models/waco/ato"},{"count":21,"name":"Waco YKS-7","note":"","unit":"registered","url":"https://eflight.com/models/waco/yks-7"},{"count":19,"name":"Waco QCF","note":"","unit":"registered","url":"https://eflight.com/models/waco/qcf"},{"count":17,"name":"Waco CTO","note":"","unit":"registered","url":"https://eflight.com/models/waco/cto"}],"relation":"makes"},{"group":"Engines","items":[{"count":199,"name":"Continental W670 series","note":"250 hp","unit":"of these aircraft","url":"https://eflight.com/engines/continental-w670-series"},{"count":64,"name":"Jacobs L4 /R755-7","note":"245 hp","unit":"of these aircraft","url":"https://eflight.com/engines/jacobs-l4-r755-7"},{"count":50,"name":"Continental R670-series","note":"225 hp","unit":"of these aircraft","url":"https://eflight.com/engines/continental-r670-series"},{"count":19,"name":"Wright CURTISS OX5","note":"90 hp","unit":"of these aircraft","url":"https://eflight.com/engines/wright-curtiss-ox5"},{"count":16,"name":"Warner SS40&50","note":"90 hp","unit":"of these aircraft","url":"https://eflight.com/engines/warner-ss40-50"}],"relation":"powered by"},{"group":"Where they are","items":[{"count":79,"name":"Ohio","note":"","unit":"of these aircraft","url":"https://eflight.com/states/OH"},{"count":67,"name":"California","note":"","unit":"of these aircraft","url":"https://eflight.com/states/CA"},{"count":40,"name":"Illinois","note":"","unit":"of these aircraft","url":"https://eflight.com/states/IL"},{"count":31,"name":"Texas","note":"","unit":"of these aircraft","url":"https://eflight.com/states/TX"},{"count":29,"name":"Florida","note":"","unit":"of these aircraft","url":"https://eflight.com/states/FL"}],"relation":"registered in"},{"group":"Biggest operators","items":[{"count":12,"name":"Western Antique Aeroplane & Automobile Museum","note":"","unit":"of these aircraft","url":"https://eflight.com/fleets/western-antique-aeroplane-automobile-museum"},{"count":10,"name":"Old Style Aircraft LLC","note":"","unit":"of these aircraft","url":"https://eflight.com/fleets/old-style-aircraft-llc"},{"count":7,"name":"Dream Waco LLC","note":"","unit":"of these aircraft","url":"https://eflight.com/fleets/dream-waco-llc"},{"count":6,"name":"Rare Aircraft LTD","note":"","unit":"of these aircraft","url":"https://eflight.com/fleets/rare-aircraft-ltd"},{"count":5,"name":"Artemis Aviation Group LLC","note":"","unit":"of these aircraft","url":"https://eflight.com/fleets/artemis-aviation-group-llc"}],"relation":"owned by"},{"group":"Record","items":[{"count":149,"name":"NTSB accidents and incidents involving Waco 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":"waco","name":"Waco","registered":657,"type":"maker","url":"https://eflight.com/makers/waco"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}
