{"as_of":"2026-10-23","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Design","items":[{"count":68,"name":"Air Tractor Inc AT-401","note":"","unit":"registered","url":"https://eflight.com/models/air-tractor-inc/at-401"},{"count":1811,"name":"Air Tractor Inc","note":"","unit":"aircraft on the register","url":"https://eflight.com/makers/air-tractor-inc"},{"count":null,"name":"Built of steel tube and aluminium","note":"as the model family is built; the register does not record it per aircraft","unit":"","url":"https://eflight.com/materials/steel-aluminium"}],"relation":"is a"},{"group":"Engine","items":[{"count":1229,"name":"Pratt & Whitney R1340 series","note":"600 hp","unit":"aircraft with this engine series","url":"https://eflight.com/engines/pratt-whitney-r1340-series"},{"count":null,"name":"Type certificate A17SW","note":"held by Air Tractor INC","unit":"","url":""}],"relation":"powered by"},{"group":"Owner","items":[{"count":18,"name":"Tri Rotor Spray & Chemical","note":"","unit":"aircraft in the fleet","url":"https://eflight.com/fleets/tri-rotor-spray-chemical"}],"relation":"owned by"},{"group":"Place","items":[{"count":71,"name":"Ulysses, KS","note":"","unit":"aircraft registered in this town","url":""},{"count":null,"name":"Ulysses Airport","note":"ULS","unit":"","url":"https://eflight.com/airports/ULS"},{"count":5738,"name":"Kansas","note":"","unit":"aircraft registered","url":"https://eflight.com/states/KS"}],"relation":"registered in"},{"group":"Record","items":[{"count":null,"name":"Accident on June 1, 2000 at Thibodaux, LA: serious injuries, substantial damage","note":"","unit":"","url":"https://eflight.com/accidents/FTW00LA162"}],"relation":"involved in"},{"group":"Airworthiness","items":[{"count":18,"name":"FAA orders naming the Air Tractor Inc AT-401","note":"","unit":"airworthiness directives","url":"https://eflight.com/models/air-tractor-inc/at-401#airworthiness"},{"count":20,"name":"Failure reports filed on the Air Tractor Inc AT-401","note":"","unit":"reports since 1995","url":"https://eflight.com/models/air-tractor-inc/at-401#airworthiness"},{"count":72,"name":"Approved modifications for the Air Tractor Inc AT-401","note":"","unit":"supplemental type certificates","url":"https://eflight.com/models/air-tractor-inc/at-401#airworthiness"},{"count":58,"name":"Failure reports on the Pratt & Whitney R1340 series","note":"","unit":"reports since 1995","url":"https://eflight.com/engines/pratt-whitney-r1340-series#airworthiness"}],"relation":"subject to"},{"group":"Analytics","items":[{"count":null,"name":"Accident history of the Air Tractor Inc AT-401","note":"","unit":"","url":"https://eflight.com/models/air-tractor-inc/at-401#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 N5028Q is now","note":"","unit":"","url":"https://eflight.com/live?q=N5028Q"}],"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":"steel-aluminium","name":"steel tube and aluminium","note":"A crop sprayer: welded steel-tube fuselage under aluminium skins, aluminium wings."},"id":"N5028Q","maker":"Air Tractor Inc","model":"AT-401B","name":"Air Tractor Inc AT-401B N5028Q","state":"KS","type":"aircraft","url":"https://eflight.com/aircraft/N5028Q","year_built":1997},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}