{"as_of":"2026-11-10","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Aircraft","items":[{"count":null,"name":"N571HH on the register today","note":"the tail number may have moved to another aircraft since","unit":"","url":"https://eflight.com/aircraft/N571HH"},{"count":124,"name":"Hughes 369 500 series helicopters","note":"the model family and its accident history","unit":"registered today","url":"https://eflight.com/models/hughes/369"},{"count":387,"name":"Hughes","note":"","unit":"aircraft on the register","url":"https://eflight.com/makers/hughes"},{"count":54,"name":"Engine: Allison 250-C20","note":"as the NTSB recorded it","unit":"aircraft carry this series today","url":"https://eflight.com/engines/allison-rolls-royce-250-c20"}],"relation":"involved"},{"group":"Place","items":[{"count":282,"name":"Accidents and incidents in Puerto Rico","note":"33 in the last ten years","unit":"since 1982","url":"https://eflight.com/accidents?state=PR"},{"count":493,"name":"Puerto Rico","note":"","unit":"aircraft registered","url":"https://eflight.com/states/PR"}],"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":"San Juan","date":"2018-01-11","fatalities":0,"id":"ERA18LA091","name":"Hughes 369 accident near San Juan, Puerto Rico, January 11, 2018","state":"PR","type":"ACC","url":"https://eflight.com/accidents/ERA18LA091"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}