{"as_of":"2026-11-02","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Model families","items":[{"count":5,"name":"Johnson ROCKET 185","note":"","unit":"registered","url":"https://eflight.com/models/johnson/rocket-185"}],"relation":"makes"},{"group":"Engines","items":[{"count":4,"name":"Lycoming O-435A/O-435C","note":"190 hp","unit":"of these aircraft","url":"https://eflight.com/engines/lycoming-o-435a-o-435c"},{"count":3,"name":"Lycoming O-290 series","note":"140 hp","unit":"of these aircraft","url":"https://eflight.com/engines/lycoming-o-290-series"},{"count":2,"name":"Lycoming O-320 series","note":"180 hp","unit":"of these aircraft","url":"https://eflight.com/engines/lycoming-o-320-series"},{"count":1,"name":"Lycoming O-320-E2D","note":"150 hp","unit":"of these aircraft","url":"https://eflight.com/engines/lycoming-o-320-e2d"},{"count":1,"name":"Lycoming O-540 series","note":"250 hp","unit":"of these aircraft","url":"https://eflight.com/engines/lycoming-o-540-series"}],"relation":"powered by"},{"group":"Where they are","items":[{"count":3,"name":"Florida","note":"","unit":"of these aircraft","url":"https://eflight.com/states/FL"},{"count":3,"name":"California","note":"","unit":"of these aircraft","url":"https://eflight.com/states/CA"},{"count":1,"name":"Wisconsin","note":"","unit":"of these aircraft","url":"https://eflight.com/states/WI"},{"count":1,"name":"Washington","note":"","unit":"of these aircraft","url":"https://eflight.com/states/WA"},{"count":1,"name":"Texas","note":"","unit":"of these aircraft","url":"https://eflight.com/states/TX"}],"relation":"registered in"},{"group":"Biggest operators","items":[{"count":1,"name":"Swift Museum Foundation INC","note":"","unit":"of these aircraft","url":"https://eflight.com/fleets/swift-museum-foundation-inc"}],"relation":"owned by"},{"group":"Record","items":[{"count":25,"name":"NTSB accidents and incidents involving Johnson 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":"johnson","name":"Johnson","registered":14,"type":"maker","url":"https://eflight.com/makers/johnson"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}