{"as_of":"2026-11-06","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Design","items":[{"count":565,"name":"Balloon Works","note":"","unit":"aircraft on the register","url":"https://eflight.com/makers/balloon-works"},{"count":5,"name":"Balloon Works FIREFLY 5","note":"","unit":"registered","url":"https://eflight.com/models/balloon-works/firefly-5?variant=FIREFLY 5"},{"count":null,"name":"Built of fabric and wicker","note":"","unit":"","url":"https://eflight.com/materials/balloon"}],"relation":"made by"},{"group":"Where they are","items":[{"count":2,"name":"Colorado","note":"","unit":"of these aircraft","url":"https://eflight.com/states/CO"},{"count":1,"name":"Wyoming","note":"","unit":"of these aircraft","url":"https://eflight.com/states/WY"},{"count":1,"name":"Oklahoma","note":"","unit":"of these aircraft","url":"https://eflight.com/states/OK"},{"count":1,"name":"Missouri","note":"","unit":"of these aircraft","url":"https://eflight.com/states/MO"}],"relation":"registered in"},{"group":"Record","items":[{"count":0,"name":"NTSB accidents and incidents involving the FIREFLY 5","note":"0 fatal","unit":"cases since 1982","url":"https://eflight.com/models/balloon-works/firefly-5#accidents"}],"relation":"involved in"},{"group":"Airworthiness","items":[{"count":3,"name":"FAA orders naming the FIREFLY 5","note":"","unit":"airworthiness directives","url":"https://eflight.com/models/balloon-works/firefly-5#airworthiness"},{"count":16,"name":"Approved modifications for the FIREFLY 5","note":"","unit":"supplemental type certificates","url":"https://eflight.com/models/balloon-works/firefly-5#airworthiness"}],"relation":"subject to"},{"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":"balloon","name":"fabric and wicker","note":null},"id":"balloon-works/firefly-5","name":"Balloon Works FIREFLY 5","registered":5,"type":"model","url":"https://eflight.com/models/balloon-works/firefly-5","versions":1},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}