{"as_of":"2026-10-30","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Aircraft","items":[{"count":null,"name":"N948DS: not on the register today","note":"the record of its deregistration","unit":"","url":"https://eflight.com/aircraft/N948DS"},{"count":478,"name":"Bell 47","note":"the model family and its accident history","unit":"registered today","url":"https://eflight.com/models/bell/47"},{"count":3079,"name":"Bell","note":"","unit":"aircraft on the register","url":"https://eflight.com/makers/bell"},{"count":113,"name":"Engine: Allison 250-C20B","note":"as the NTSB recorded it","unit":"aircraft carry this series today","url":"https://eflight.com/engines/allison-rolls-royce-250-c20b"}],"relation":"involved"},{"group":"Place","items":[{"count":null,"name":"Los Banos Municipal","note":"nearest airport","unit":"","url":"https://eflight.com/airports/LSN"},{"count":9080,"name":"Accidents and incidents in California","note":"1,098 in the last ten years","unit":"since 1982","url":"https://eflight.com/accidents?state=CA"},{"count":27686,"name":"California","note":"","unit":"aircraft registered","url":"https://eflight.com/states/CA"}],"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":"Los Banos","date":"2011-08-21","fatalities":0,"id":"WPR11CA398","name":"Bell 47G-4 accident near Los Banos, California, August 21, 2011","state":"CA","type":"ACC","url":"https://eflight.com/accidents/WPR11CA398"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}