{"as_of":"2026-10-05","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Fitted to","items":[{"count":1,"name":"Dehavilland DHC-7","note":"","unit":"with this engine series","url":"https://eflight.com/models/dehavilland/dhc-7"}],"relation":"powers"},{"group":"Where they are","items":[{"count":1,"name":"Utah","note":"","unit":"of these aircraft","url":"https://eflight.com/states/UT"}],"relation":"registered in"},{"group":"Biggest operators","items":[{"count":1,"name":"Bank Of Utah Trustee","note":"","unit":"of these aircraft","url":"https://eflight.com/fleets/bank-of-utah-trustee"}],"relation":"owned by"},{"group":"Airworthiness","items":[{"count":3,"name":"FAA orders naming the Pratt & Whitney Canada PT6A-50","note":"","unit":"airworthiness directives","url":"https://eflight.com/engines/pratt-whitney-canada-pt6a-50#airworthiness"}],"relation":"subject to"},{"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":1,"horsepower":1120,"id":"pratt-whitney-canada-pt6a-50","maker":"Pratt & Whitney Canada","name":"Pratt & Whitney Canada PT6A-50","thrust_lb":null,"type":"Turboprop","url":"https://eflight.com/engines/pratt-whitney-canada-pt6a-50"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}