{"as_of":"2026-11-04","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Design","items":[{"count":9,"name":"Bird BK","note":"","unit":"registered","url":"https://eflight.com/models/bird/bk"},{"count":27,"name":"Bird","note":"","unit":"aircraft on the register","url":"https://eflight.com/makers/bird"},{"count":null,"name":"Built of steel tube, wood and fabric","note":"as the model family is built; the register does not record it per aircraft","unit":"","url":"https://eflight.com/materials/steel-wood-fabric"}],"relation":"is a"},{"group":"Engine","items":[{"count":52,"name":"Kinner K5 series","note":"100 hp","unit":"aircraft with this engine series","url":"https://eflight.com/engines/kinner-k5-series"}],"relation":"powered by"},{"group":"Place","items":[{"count":208,"name":"Huntsville, AL","note":"","unit":"aircraft registered in this town","url":""},{"count":null,"name":"Huntsville Intl-Carl T Jones Field","note":"HSV","unit":"","url":"https://eflight.com/airports/HSV"},{"count":null,"name":"Huntsville Executive Tom Sharp JR Field","note":"MDQ","unit":"","url":"https://eflight.com/airports/MDQ"},{"count":null,"name":"Moontown Airport","note":"3M5","unit":"","url":"https://eflight.com/airports/3M5"},{"count":4351,"name":"Alabama","note":"","unit":"aircraft registered","url":"https://eflight.com/states/AL"}],"relation":"registered in"},{"group":"Record","items":[{"count":null,"name":"No NTSB accident or incident record under this tail number","note":"","unit":"","url":"https://eflight.com/aircraft/N737Y#records-check"}],"relation":"involved in"},{"group":"Analytics","items":[{"count":null,"name":"Accident history of the Bird BK","note":"","unit":"","url":"https://eflight.com/models/bird/bk#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 N737Y is now","note":"","unit":"","url":"https://eflight.com/live?q=N737Y"}],"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-wood-fabric","name":"steel tube, wood and fabric","note":"A biplane of the 1920s and 1930s: steel-tube fuselage, wooden wings, fabric covering."},"id":"N737Y","maker":"Bird","model":"BK","name":"Bird BK N737Y","state":"AL","type":"aircraft","url":"https://eflight.com/aircraft/N737Y","year_built":1930},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}