{"as_of":"2026-10-30","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"In town","items":[{"count":6,"name":"Aircraft registered in Alton Bay","note":"3 helicopters, 2 piston twins, 1 piston singles","unit":"aircraft","url":"https://eflight.com/airports/B18#registered"}],"relation":"home to"},{"group":"Record","items":[{"count":5,"name":"NTSB accidents and incidents at or near this seaplane base","note":"0 fatal","unit":"since 1982","url":"https://eflight.com/airports/B18#accidents"},{"count":393,"name":"Accidents and incidents in New Hampshire","note":"57 in the last ten years","unit":"since 1982","url":"https://eflight.com/accidents?state=NH"}],"relation":"scene of"},{"group":"Around it","items":[{"count":8,"name":"Nearby landing places within 30 nautical miles","note":"","unit":"airports, heliports and seaplane bases","url":"https://eflight.com/airports/B18#nearby"},{"count":25,"name":"Public-use airports in New Hampshire","note":"","unit":"landing places","url":"https://eflight.com/airports?state=NH"},{"count":1560,"name":"New Hampshire","note":"","unit":"aircraft registered","url":"https://eflight.com/states/NH"}],"relation":"in"},{"group":"Live","items":[{"count":null,"name":"Aircraft near this airport right now","note":"","unit":"","url":"https://eflight.com/airports/B18#liveapt"},{"count":null,"name":"The live map, zoomed here","note":"","unit":"","url":"https://eflight.com/live?q=B18"}],"relation":"seen at"},{"group":"Analytics","items":[{"count":null,"name":"Airports by the numbers","note":"","unit":"","url":"https://eflight.com/analytics/airports"},{"count":null,"name":"Where accidents happen, by state and airport","note":"","unit":"","url":"https://eflight.com/analytics/accidents-by-place"},{"count":null,"name":"The accident map","note":"","unit":"","url":"https://eflight.com/analytics/accident-map"}],"relation":"compared in"}],"graph":"https://eflight.com/graph","graph_index":"https://eflight.com/graph/index.json","license":"https://creativecommons.org/licenses/by/4.0/","node":{"city":"Alton Bay","id":"B18","kind":"seaplane base","latitude":43.47758333,"longitude":-71.237,"name":"Alton Bay Seaplane Base & Ice Rwy","state":"NH","type":"airport","url":"https://eflight.com/airports/B18"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}