{"as_of":"2026-10-28","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Design","items":[{"count":44,"name":"Callair","note":"","unit":"aircraft on the register","url":"https://eflight.com/makers/callair"},{"count":12,"name":"Callair A-9","note":"","unit":"registered","url":"https://eflight.com/models/callair/a-9?variant=A-9"},{"count":null,"name":"Built of steel tube and fabric","note":"The CallAir crop sprayer.","unit":"","url":"https://eflight.com/materials/steel-fabric"}],"relation":"made by"},{"group":"Engines","items":[{"count":10,"name":"Lycoming O-540 series","note":"250 hp","unit":"of these aircraft","url":"https://eflight.com/engines/lycoming-o-540-series"},{"count":1,"name":"Lycoming O-540-B2B5","note":"235 hp","unit":"of these aircraft","url":"https://eflight.com/engines/lycoming-o-540-b2b5"},{"count":1,"name":"Lycoming IO-540 series","note":"300 hp","unit":"of these aircraft","url":"https://eflight.com/engines/lycoming-io-540-series"}],"relation":"powered by"},{"group":"Where they are","items":[{"count":2,"name":"Tennessee","note":"","unit":"of these aircraft","url":"https://eflight.com/states/TN"},{"count":2,"name":"North Dakota","note":"","unit":"of these aircraft","url":"https://eflight.com/states/ND"},{"count":2,"name":"California","note":"","unit":"of these aircraft","url":"https://eflight.com/states/CA"},{"count":1,"name":"South Dakota","note":"","unit":"of these aircraft","url":"https://eflight.com/states/SD"},{"count":1,"name":"Nebraska","note":"","unit":"of these aircraft","url":"https://eflight.com/states/NE"}],"relation":"registered in"},{"group":"Biggest operators","items":[{"count":1,"name":"Sidney Aviation LLC","note":"","unit":"of these aircraft","url":"https://eflight.com/fleets/sidney-aviation-llc"},{"count":1,"name":"Riggin Flight Service INC","note":"","unit":"of these aircraft","url":"https://eflight.com/fleets/riggin-flight-service-inc"},{"count":1,"name":"Mid Continent Aircraft CORP","note":"","unit":"of these aircraft","url":"https://eflight.com/fleets/mid-continent-aircraft-corp"},{"count":1,"name":"Lake Elsinore Soaring Club","note":"","unit":"of these aircraft","url":"https://eflight.com/fleets/lake-elsinore-soaring-club"},{"count":1,"name":"Chilhowee Soaring Association INC","note":"","unit":"of these aircraft","url":"https://eflight.com/fleets/chilhowee-soaring-association-inc"}],"relation":"owned by"},{"group":"Record","items":[{"count":11,"name":"NTSB accidents and incidents involving the A-9","note":"1 fatal","unit":"cases since 1982","url":"https://eflight.com/models/callair/a-9#accidents"}],"relation":"involved in"},{"group":"Analytics","items":[{"count":null,"name":"Accidents by model, with rates per thousand registered","note":"","unit":"","url":"https://eflight.com/analytics/accidents-by-model"},{"count":null,"name":"The fleet by kind, state and age","note":"","unit":"","url":"https://eflight.com/analytics/fleet"},{"count":null,"name":"Biggest makers and model families","note":"","unit":"","url":"https://eflight.com/analytics/makers"}],"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":{"built_of":{"material":"steel-fabric","name":"steel tube and fabric","note":"The CallAir crop sprayer."},"id":"callair/a-9","name":"Callair A-9","registered":12,"type":"model","url":"https://eflight.com/models/callair/a-9","versions":1},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}
