{"as_of":"2026-11-10","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Aircraft","items":[{"count":null,"name":"N8422K on the register today","note":"the tail number may have moved to another aircraft since","unit":"","url":"https://eflight.com/aircraft/N8422K"},{"count":325,"name":"Grumman Acft Eng Cor-Schweizer G-164","note":"the model family and its accident history","unit":"registered today","url":"https://eflight.com/models/grumman-acft-eng-cor-schweizer/g-164"},{"count":325,"name":"Grumman Acft Eng Cor-Schweizer","note":"","unit":"aircraft on the register","url":"https://eflight.com/makers/grumman-acft-eng-cor-schweizer"},{"count":27,"name":"Engine: Honeywell TPE-331","note":"as the NTSB recorded it","unit":"aircraft carry this series today","url":"https://eflight.com/engines/honeywell-tpe331-series"}],"relation":"involved"},{"group":"Place","items":[{"count":null,"name":"Amana Airport","note":"nearest airport","unit":"","url":"https://eflight.com/airports/C11"},{"count":871,"name":"Accidents and incidents in Iowa","note":"131 in the last ten years","unit":"since 1982","url":"https://eflight.com/accidents?state=IA"},{"count":4513,"name":"Iowa","note":"","unit":"aircraft registered","url":"https://eflight.com/states/IA"}],"relation":"at or near"},{"group":"Record","items":[{"count":1,"name":"Other NTSB records under N8422K","note":"the number may have belonged to another aircraft at the time","unit":"records","url":"https://eflight.com/accidents/CEN21LA329#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":"Amana","date":"2021-07-19","fatalities":0,"id":"CEN21LA329","name":"Grumman Acft Eng Cor-Schweizer G-164B accident near Amana, Iowa, July 19, 2021","state":"IA","type":"ACC","url":"https://eflight.com/accidents/CEN21LA329"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}