{"as_of":"2026-11-12","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Aircraft","items":[{"count":null,"name":"N50EH on the register today","note":"the tail number may have moved to another aircraft since","unit":"","url":"https://eflight.com/aircraft/N50EH"},{"count":56,"name":"Rolladen-Schneider LS-4","note":"the model family and its accident history","unit":"registered today","url":"https://eflight.com/models/rolladen-schneider/ls-4"},{"count":117,"name":"Rolladen-Schneider","note":"","unit":"aircraft on the register","url":"https://eflight.com/makers/rolladen-schneider"},{"count":null,"name":"Engine: Allison TF-41A-402D","note":"as the NTSB recorded it","unit":"","url":""},{"count":null,"name":"Engine:","note":"as the NTSB recorded it","unit":"","url":""}],"relation":"involved"},{"group":"Place","items":[{"count":null,"name":"Coal Creek Airport","note":"nearest airport","unit":"","url":"https://eflight.com/airports/L20"},{"count":null,"name":"Miramar Marine Corps Air Station (Joe Foss Field)","note":"departed from","unit":"","url":"https://eflight.com/airports/NKX"},{"count":null,"name":"Hemet-Ryan Airport","note":"departed from","unit":"","url":"https://eflight.com/airports/HMT"},{"count":9080,"name":"Accidents and incidents in California","note":"1,096 in the last ten years","unit":"since 1982","url":"https://eflight.com/accidents?state=CA"},{"count":28279,"name":"California","note":"","unit":"aircraft registered","url":"https://eflight.com/states/CA"}],"relation":"at or near"},{"group":"Record","items":[{"count":4,"name":"Other NTSB records under USN","note":"the number may have belonged to another aircraft at the time","unit":"records","url":"https://eflight.com/accidents/LAX86MA186#others"}],"relation":"related to"},{"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":"Warner Springs","date":"1986-04-20","fatalities":0,"id":"LAX86MA186","name":"Ltv Aerospace Industries A7E and Rolladen-Schneider LS-4 mid-air collision near Warner Springs, California, April 20, 1986","state":"CA","type":"ACC","url":"https://eflight.com/accidents/LAX86MA186"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}