{"as_of":"2026-11-06","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Aircraft","items":[{"count":null,"name":"N6674K on the register today","note":"the tail number may have moved to another aircraft since","unit":"","url":"https://eflight.com/aircraft/N6674K"},{"count":119,"name":"Grumman G-164","note":"the model family and its accident history","unit":"registered today","url":"https://eflight.com/models/grumman/g-164"},{"count":443,"name":"Grumman","note":"","unit":"aircraft on the register","url":"https://eflight.com/makers/grumman"},{"count":185,"name":"Engine: Wright R-1820","note":"as the NTSB recorded it","unit":"aircraft carry this series today","url":"https://eflight.com/engines/wright-r-1820-series"}],"relation":"involved"},{"group":"Place","items":[{"count":469,"name":"Accidents and incidents in South Dakota","note":"69 in the last ten years","unit":"since 1982","url":"https://eflight.com/accidents?state=SD"},{"count":2276,"name":"South Dakota","note":"","unit":"aircraft registered","url":"https://eflight.com/states/SD"}],"relation":"at or near"},{"group":"Record","items":[{"count":2,"name":"Other NTSB records under N6674K","note":"the number may have belonged to another aircraft at the time","unit":"records","url":"https://eflight.com/accidents/DEN85LA177#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":"Platte","date":"1985-07-01","fatalities":0,"id":"DEN85LA177","name":"Grumman G-164 accident near Platte, South Dakota, July 1, 1985","state":"SD","type":"ACC","url":"https://eflight.com/accidents/DEN85LA177"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}