{"as_of":"2026-11-03","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Model families","items":[{"count":9,"name":"Intermountain CALLAIR A-9","note":"","unit":"registered","url":"https://eflight.com/models/intermountain/callair-a-9"}],"relation":"makes"},{"group":"Engines","items":[{"count":8,"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 IO-720","note":"400 hp","unit":"of these aircraft","url":"https://eflight.com/engines/lycoming-io-720"},{"count":1,"name":"Jacobs R755E series","note":"350 hp","unit":"of these aircraft","url":"https://eflight.com/engines/jacobs-r755e-series"}],"relation":"powered by"},{"group":"Where they are","items":[{"count":3,"name":"North Dakota","note":"","unit":"of these aircraft","url":"https://eflight.com/states/ND"},{"count":2,"name":"Florida","note":"","unit":"of these aircraft","url":"https://eflight.com/states/FL"},{"count":1,"name":"Texas","note":"","unit":"of these aircraft","url":"https://eflight.com/states/TX"},{"count":1,"name":"South Dakota","note":"","unit":"of these aircraft","url":"https://eflight.com/states/SD"},{"count":1,"name":"Iowa","note":"","unit":"of these aircraft","url":"https://eflight.com/states/IA"}],"relation":"registered in"},{"group":"Biggest operators","items":[{"count":1,"name":"Tampa Bay Soaring Society INC","note":"","unit":"of these aircraft","url":"https://eflight.com/fleets/tampa-bay-soaring-society-inc"},{"count":1,"name":"Sky Sailing INC","note":"","unit":"of these aircraft","url":"https://eflight.com/fleets/sky-sailing-inc"},{"count":1,"name":"Riggin Flight Service INC","note":"","unit":"of these aircraft","url":"https://eflight.com/fleets/riggin-flight-service-inc"},{"count":1,"name":"Air Dakota Flite INC","note":"","unit":"of these aircraft","url":"https://eflight.com/fleets/air-dakota-flite-inc"}],"relation":"owned by"},{"group":"Analytics","items":[{"count":null,"name":"Biggest makers and model families","note":"","unit":"","url":"https://eflight.com/analytics/makers"},{"count":null,"name":"Accidents by model and by maker","note":"","unit":"","url":"https://eflight.com/analytics/accidents-by-model"}],"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":{"id":"intermountain","name":"Intermountain","registered":10,"type":"maker","url":"https://eflight.com/makers/intermountain"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}