{"about":"https://eflight.com/graph","as_of":"2026-10-05","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","description":"Every record on eFlight Registry lists its neighbours by type at <page>/.. and as data at /graph/<type>/<id>.json. The nightly files hold every node and every link.","files":[{"modified":"2026-10-07 20:43","name":"eflight-graph-README.txt","size":1414,"url":"https://eflight.com/downloads/eflight-graph-README.txt"},{"modified":"2026-10-07 20:43","name":"eflight-graph-links.csv.gz","size":14269970,"url":"https://eflight.com/downloads/eflight-graph-links.csv.gz"},{"modified":"2026-10-07 20:43","name":"eflight-graph-nodes.csv.gz","size":8147911,"url":"https://eflight.com/downloads/eflight-graph-nodes.csv.gz"}],"license":"https://creativecommons.org/licenses/by/4.0/","name":"The eFlight graph: how aircraft, models, makers, engines, owners, airports, states and accidents connect","node_types":[{"count":317372,"data":"https://eflight.com/graph/aircraft/<id>.json","example_data":"https://eflight.com/graph/aircraft/N541JA.json","example_page":"https://eflight.com/aircraft/N541JA","name":"Aircraft","page":"https://eflight.com/aircraft/<tail number>","type":"aircraft"},{"count":2018,"data":"https://eflight.com/graph/model/<id>.json","example_data":"https://eflight.com/graph/model/cessna/172.json","example_page":"https://eflight.com/models/cessna/172","name":"Model family","page":"https://eflight.com/models/<maker>/<model>","type":"model"},{"count":981,"data":"https://eflight.com/graph/maker/<id>.json","example_data":"https://eflight.com/graph/maker/cessna.json","example_page":"https://eflight.com/makers/cessna","name":"Maker","page":"https://eflight.com/makers/<maker>","type":"maker"},{"count":2431,"data":"https://eflight.com/graph/engine/<id>.json","example_data":"https://eflight.com/graph/engine/lycoming-o-320-series.json","example_page":"https://eflight.com/engines/lycoming-o-320-series","name":"Engine series","page":"https://eflight.com/engines/<maker-model>","type":"engine"},{"count":3429,"data":"https://eflight.com/graph/fleet/<id>.json","example_data":"https://eflight.com/graph/fleet/zipline-international-inc.json","example_page":"https://eflight.com/fleets/zipline-international-inc","name":"Owner organisation","page":"https://eflight.com/fleets/<organisation>","type":"fleet"},{"count":5159,"data":"https://eflight.com/graph/airport/<id>.json","example_data":"https://eflight.com/graph/airport/SBA.json","example_page":"https://eflight.com/airports/SBA","name":"Airport","page":"https://eflight.com/airports/<FAA code>","type":"airport"},{"count":56,"data":"https://eflight.com/graph/state/<id>.json","example_data":"https://eflight.com/graph/state/CA.json","example_page":"https://eflight.com/states/CA","name":"State","page":"https://eflight.com/states/<code>","type":"state"},{"count":94304,"data":"https://eflight.com/graph/accident/<id>.json","example_data":"https://eflight.com/graph/accident/WPR25FA146.json","example_page":"https://eflight.com/accidents/WPR25FA146","name":"Accident or incident","page":"https://eflight.com/accidents/<NTSB case number>","type":"accident"}],"relations":[{"from":"aircraft","relation":"is a","to":"model"},{"from":"aircraft","relation":"made by","to":"maker"},{"from":"aircraft","relation":"powered by","to":"engine"},{"from":"aircraft","relation":"owned by","to":"fleet"},{"from":"aircraft","relation":"registered in","to":"state"},{"from":"aircraft","relation":"registered in the town of","to":"airport"},{"from":"aircraft","relation":"involved in","to":"accident"},{"from":"model","relation":"made by","to":"maker"},{"from":"model","relation":"powered by","to":"engine"},{"from":"engine","relation":"made by","to":"engine maker"},{"from":"fleet","relation":"based in","to":"state"},{"from":"airport","relation":"in","to":"state"},{"from":"accident","relation":"at or near","to":"airport"},{"from":"accident","relation":"in","to":"state"},{"from":"accident","relation":"involved","to":"model"}],"rules":["Only organisations are named as owners; aircraft owned by a person carry no owner node.","Owners who asked the FAA to withhold their details stay withheld."],"site":"https://eflight.com","source":"FAA Civil Aviation Registry (daily), FAA airport file (every 28 days), NTSB accident database (weekly); assembled by eFlight Registry"}