{"as_of":"2026-11-06","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Aircraft","items":[{"count":null,"name":"N1166W on the register today","note":"the tail number may have moved to another aircraft since","unit":"","url":"https://eflight.com/aircraft/N1166W"},{"count":478,"name":"Bell 47","note":"the model family and its accident history","unit":"registered today","url":"https://eflight.com/models/bell/47"},{"count":3080,"name":"Bell","note":"","unit":"aircraft on the register","url":"https://eflight.com/makers/bell"},{"count":2,"name":"Engine: Lycoming TVO-435-B1A","note":"as the NTSB recorded it","unit":"aircraft carry this series today","url":"https://eflight.com/engines/lycoming-tvo-435-b1a"}],"relation":"involved"},{"group":"Place","items":[{"count":987,"name":"Accidents and incidents in Massachusetts","note":"90 in the last ten years","unit":"since 1982","url":"https://eflight.com/accidents?state=MA"},{"count":2646,"name":"Massachusetts","note":"","unit":"aircraft registered","url":"https://eflight.com/states/MA"}],"relation":"at or near"},{"group":"Record","items":[{"count":1,"name":"Other NTSB records under N1166W","note":"the number may have belonged to another aircraft at the time","unit":"records","url":"https://eflight.com/accidents/NYC91DNA02#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":"Harwich","date":"1991-04-20","fatalities":0,"id":"NYC91DNA02","name":"Bell 47-G3B1 accident near Harwich, Massachusetts, April 20, 1991","state":"MA","type":"ACC","url":"https://eflight.com/accidents/NYC91DNA02"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}