{"as_of":"2026-11-06","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Aircraft","items":[{"count":null,"name":"N17KS: not on the register today","note":"the record of its deregistration","unit":"","url":"https://eflight.com/aircraft/N17KS"},{"count":5,"name":"Schempp-Hirth VENTUS A","note":"the model family and its accident history","unit":"registered today","url":"https://eflight.com/models/schempp-hirth/ventus-a"},{"count":516,"name":"Schempp-Hirth","note":"","unit":"aircraft on the register","url":"https://eflight.com/makers/schempp-hirth"},{"count":null,"name":"N919R on the register today","note":"the tail number may have moved to another aircraft since","unit":"","url":"https://eflight.com/aircraft/N919R"},{"count":101,"name":"Schleicher ASW-20","note":"the model family and its accident history","unit":"registered today","url":"https://eflight.com/models/schleicher/asw-20"},{"count":506,"name":"Schleicher","note":"","unit":"aircraft on the register","url":"https://eflight.com/makers/schleicher"},{"count":null,"name":"Engine: None NONE","note":"as the NTSB recorded it","unit":"","url":""},{"count":null,"name":"Engine: None NONE","note":"as the NTSB recorded it","unit":"","url":""}],"relation":"involved"},{"group":"Place","items":[{"count":null,"name":"Ephrata Municipal","note":"departed from","unit":"","url":"https://eflight.com/airports/EPH"},{"count":2713,"name":"Accidents and incidents in Washington","note":"362 in the last ten years","unit":"since 1982","url":"https://eflight.com/accidents?state=WA"},{"count":10644,"name":"Washington","note":"","unit":"aircraft registered","url":"https://eflight.com/states/WA"}],"relation":"at or near"},{"group":"Analytics","items":[{"count":null,"name":"Accidents over time since 1982","note":"","unit":"","url":"https://eflight.com/analytics/accidents-over-time"},{"count":null,"name":"Accidents by phase of flight, weather and hour","note":"","unit":"","url":"https://eflight.com/analytics/accidents-by-phase"},{"count":null,"name":"The accident map","note":"","unit":"","url":"https://eflight.com/analytics/accident-map"}],"relation":"counted in"}],"graph":"https://eflight.com/graph","graph_index":"https://eflight.com/graph/index.json","license":"https://creativecommons.org/licenses/by/4.0/","node":{"city":"Ephrata","date":"1984-07-12","fatalities":1,"id":"SEA84FA172","name":"Schempp-Hirth VENTUS A and Schleicher ASW 20 B mid-air collision near Ephrata, Washington, July 12, 1984","state":"WA","type":"ACC","url":"https://eflight.com/accidents/SEA84FA172"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}