{"as_of":"2026-11-06","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Where they are","items":[{"count":3,"name":"Colorado","note":"","unit":"of these aircraft","url":"https://eflight.com/states/CO"},{"count":1,"name":"Washington","note":"","unit":"of these aircraft","url":"https://eflight.com/states/WA"},{"count":1,"name":"Ohio","note":"","unit":"of these aircraft","url":"https://eflight.com/states/OH"},{"count":1,"name":"North Dakota","note":"","unit":"of these aircraft","url":"https://eflight.com/states/ND"},{"count":1,"name":"Kentucky","note":"","unit":"of these aircraft","url":"https://eflight.com/states/KY"}],"relation":"registered in"},{"group":"Biggest operators","items":[{"count":1,"name":"C&L Aviation LTD","note":"","unit":"of these aircraft","url":"https://eflight.com/fleets/c-l-aviation-ltd"}],"relation":"owned by"},{"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":76,"id":"hummel-2180","maker":"Hummel","name":"Hummel 2180","thrust_lb":null,"type":"Piston (reciprocating)","url":"https://eflight.com/engines/hummel-2180"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}