{"as_of":"2026-11-06","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Design","items":[{"count":516,"name":"Schempp-Hirth","note":"","unit":"aircraft on the register","url":"https://eflight.com/makers/schempp-hirth"},{"count":36,"name":"Schempp-Hirth DISCUS CS","note":"","unit":"registered","url":"https://eflight.com/models/schempp-hirth/discus-cs?variant=DISCUS CS"},{"count":null,"name":"Built of composite","note":"A glass-fibre glider.","unit":"","url":"https://eflight.com/materials/composite"}],"relation":"made by"},{"group":"Where they are","items":[{"count":6,"name":"California","note":"","unit":"of these aircraft","url":"https://eflight.com/states/CA"},{"count":5,"name":"Texas","note":"","unit":"of these aircraft","url":"https://eflight.com/states/TX"},{"count":3,"name":"Colorado","note":"","unit":"of these aircraft","url":"https://eflight.com/states/CO"},{"count":2,"name":"Virginia","note":"","unit":"of these aircraft","url":"https://eflight.com/states/VA"},{"count":2,"name":"Utah","note":"","unit":"of these aircraft","url":"https://eflight.com/states/UT"}],"relation":"registered in"},{"group":"Biggest operators","items":[{"count":2,"name":"Soaring Society of Boulder INC","note":"","unit":"of these aircraft","url":"https://eflight.com/search?q=Soaring Society of Boulder INC"},{"count":2,"name":"Skyline Soaring Club INC","note":"","unit":"of these aircraft","url":"https://eflight.com/fleets/skyline-soaring-club-inc"},{"count":1,"name":"Id Georgia Soaring Assn INC","note":"","unit":"of these aircraft","url":"https://eflight.com/search?q=Id Georgia Soaring Assn INC"},{"count":1,"name":"Harris Hill Soaring CORP","note":"","unit":"of these aircraft","url":"https://eflight.com/fleets/harris-hill-soaring-corp"},{"count":1,"name":"Chicago Glider Club INC","note":"","unit":"of these aircraft","url":"https://eflight.com/search?q=Chicago Glider Club INC"}],"relation":"owned by"},{"group":"Record","items":[{"count":2,"name":"NTSB accidents and incidents involving the DISCUS CS","note":"1 fatal","unit":"cases since 1982","url":"https://eflight.com/models/schempp-hirth/discus-cs#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":"composite","name":"composite","note":"A glass-fibre glider."},"id":"schempp-hirth/discus-cs","name":"Schempp-Hirth DISCUS CS","registered":36,"type":"model","url":"https://eflight.com/models/schempp-hirth/discus-cs","versions":1},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}