{"as_of":"2026-11-11","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Aircraft","items":[{"count":null,"name":"N8718L: not on the register today","note":"the record of its deregistration","unit":"","url":"https://eflight.com/aircraft/N8718L"},{"count":455,"name":"Piper PA-25 Pawnee","note":"the model family and its accident history","unit":"registered today","url":"https://eflight.com/models/piper/pa-25"},{"count":44839,"name":"Piper","note":"","unit":"aircraft on the register","url":"https://eflight.com/makers/piper"},{"count":null,"name":"N825BC: not on the register today","note":"the record of its deregistration","unit":"","url":"https://eflight.com/aircraft/N825BC"},{"count":null,"name":"N2472W on the register today","note":"the tail number may have moved to another aircraft since","unit":"","url":"https://eflight.com/aircraft/N2472W"},{"count":275,"name":"Schweizer SGS 2 gliders (2-33 and 2-32)","note":"the model family and its accident history","unit":"registered today","url":"https://eflight.com/models/schweizer/sgs-2"},{"count":1187,"name":"Schweizer","note":"","unit":"aircraft on the register","url":"https://eflight.com/makers/schweizer"},{"count":401,"name":"Engine: Cont Motor IO-360-ES","note":"as the NTSB recorded it","unit":"aircraft carry this series today","url":"https://eflight.com/engines/continental-io-360-es"}],"relation":"involved"},{"group":"Place","items":[{"count":null,"name":"Boulder Municipal","note":"departed from","unit":"","url":"https://eflight.com/airports/BDU"},{"count":null,"name":"Erie Municipal","note":"departed from","unit":"","url":"https://eflight.com/airports/EIK"},{"count":2860,"name":"Accidents and incidents in Colorado","note":"383 in the last ten years","unit":"since 1982","url":"https://eflight.com/accidents?state=CO"},{"count":7483,"name":"Colorado","note":"","unit":"aircraft registered","url":"https://eflight.com/states/CO"}],"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":"Boulder","date":"2010-02-06","fatalities":3,"id":"CEN10FA115","name":"Piper PA-25-235 and Cirrus Design CORP SR20 and Schweizer SGS 2-32 mid-air collision near Boulder, Colorado, February 6, 2010","state":"CO","type":"ACC","url":"https://eflight.com/accidents/CEN10FA115"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}