{"as_of":"2026-10-26","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Fitted to","items":[{"count":21,"name":"North American T-28","note":"","unit":"with this engine series","url":"https://eflight.com/models/north-american/t-28"}],"relation":"powers"},{"group":"Where they are","items":[{"count":6,"name":"Texas","note":"","unit":"of these aircraft","url":"https://eflight.com/states/TX"},{"count":3,"name":"Delaware","note":"","unit":"of these aircraft","url":"https://eflight.com/states/DE"},{"count":3,"name":"California","note":"","unit":"of these aircraft","url":"https://eflight.com/states/CA"},{"count":2,"name":"Massachusetts","note":"","unit":"of these aircraft","url":"https://eflight.com/states/MA"},{"count":2,"name":"Illinois","note":"","unit":"of these aircraft","url":"https://eflight.com/states/IL"}],"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":22,"horsepower":1425,"id":"wright-r-1820-86","maker":"Wright","name":"Wright R-1820-86","thrust_lb":null,"type":"Piston (reciprocating)","url":"https://eflight.com/engines/wright-r-1820-86"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}