{"as_of":"2026-10-30","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Design","items":[{"count":934,"name":"Piper PA-31 Navajo and Chieftain","note":"","unit":"registered","url":"https://eflight.com/models/piper/pa-31"},{"count":44848,"name":"Piper","note":"","unit":"aircraft on the register","url":"https://eflight.com/makers/piper"},{"count":null,"name":"Built of aluminium","note":"as the model family is built; the register does not record it per aircraft","unit":"","url":"https://eflight.com/materials/aluminium"}],"relation":"is a"},{"group":"Engine","items":[{"count":6,"name":"Lycoming TIO-540-J2B","note":"350 hp","unit":"aircraft with this engine series","url":"https://eflight.com/engines/lycoming-tio-540-j2b"}],"relation":"powered by"},{"group":"Owner","items":[{"count":3,"name":"Alpha Whiskey 2 LLC","note":"","unit":"aircraft registered to this organisation","url":"https://eflight.com/search?q=Alpha Whiskey 2 LLC"}],"relation":"owned by"},{"group":"Place","items":[{"count":117,"name":"Brandon, MS","note":"","unit":"aircraft registered in this town","url":""},{"count":2601,"name":"Mississippi","note":"","unit":"aircraft registered","url":"https://eflight.com/states/MS"}],"relation":"registered in"},{"group":"Record","items":[{"count":null,"name":"Accident on February 11, 2011 at Baltimore, MD: no injuries, substantial damage","note":"","unit":"","url":"https://eflight.com/accidents/ERA11LA141"}],"relation":"involved in"},{"group":"Airworthiness","items":[{"count":114,"name":"FAA orders naming the Piper PA-31 Navajo and Chieftain","note":"","unit":"airworthiness directives","url":"https://eflight.com/models/piper/pa-31#airworthiness"},{"count":3365,"name":"Failure reports filed on the Piper PA-31 Navajo and Chieftain","note":"","unit":"reports since 1995","url":"https://eflight.com/models/piper/pa-31#airworthiness"},{"count":535,"name":"Approved modifications for the Piper PA-31 Navajo and Chieftain","note":"","unit":"supplemental type certificates","url":"https://eflight.com/models/piper/pa-31#airworthiness"},{"count":33,"name":"FAA orders naming the Lycoming TIO-540-J2B","note":"","unit":"airworthiness directives","url":"https://eflight.com/engines/lycoming-tio-540-j2b#airworthiness"},{"count":63,"name":"Failure reports on the Lycoming TIO-540-J2B","note":"","unit":"reports since 1995","url":"https://eflight.com/engines/lycoming-tio-540-j2b#airworthiness"},{"count":null,"name":"Report filed on this aircraft: Bulkhead, cracked","note":"2012-09-15","unit":"","url":"https://eflight.com/systems/structure"},{"count":null,"name":"Report filed on this aircraft: Bulkhead, cracked","note":"2012-09-15","unit":"","url":"https://eflight.com/systems/structure"},{"count":null,"name":"Report filed on this aircraft: Access Panel, corroded","note":"2012-09-15","unit":"","url":"https://eflight.com/systems/structure"}],"relation":"subject to"},{"group":"Analytics","items":[{"count":null,"name":"Accident history of the Piper PA-31 Navajo and Chieftain","note":"","unit":"","url":"https://eflight.com/models/piper/pa-31#accidents"},{"count":null,"name":"Accidents by model, with rates per thousand registered","note":"","unit":"","url":"https://eflight.com/analytics/accidents-by-model"}],"relation":"compared in"},{"group":"Live","items":[{"count":null,"name":"Where N31NW is now","note":"","unit":"","url":"https://eflight.com/live?q=N31NW"}],"relation":"seen at"}],"graph":"https://eflight.com/graph","graph_index":"https://eflight.com/graph/index.json","license":"https://creativecommons.org/licenses/by/4.0/","node":{"built_of":{"inherited_from_model":true,"material":"aluminium","name":"aluminium","note":null},"id":"N31NW","maker":"Piper","model":"PA-31-350","name":"Piper PA-31-350 N31NW","state":"MS","type":"aircraft","url":"https://eflight.com/aircraft/N31NW","year_built":1981},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}