{"as_of":"2026-10-08","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Flies","items":[{"count":4,"name":"Learjet 31","note":"","unit":"on the certificate","url":"https://eflight.com/models/learjet/31"},{"count":4,"name":"Learjet 60","note":"","unit":"on the certificate","url":"https://eflight.com/models/learjet/60"},{"count":1,"name":"Bombardier CL-600 Challenger and CRJ","note":"","unit":"on the certificate","url":"https://eflight.com/models/bombardier/cl-600"},{"count":1,"name":"Pilatus PC-24","note":"","unit":"on the certificate","url":"https://eflight.com/models/pilatus/pc-24"},{"count":8,"name":"Learjet Inc","note":"","unit":"on the certificate","url":"https://eflight.com/makers/learjet-inc"},{"count":1,"name":"Canadair Ltd","note":"","unit":"on the certificate","url":"https://eflight.com/makers/canadair-ltd"},{"count":1,"name":"Pilatus Aircraft Ltd","note":"","unit":"on the certificate","url":"https://eflight.com/makers/pilatus-aircraft-ltd"}],"relation":"flies"},{"group":"Where","items":[{"count":null,"name":"Washington, PA","note":"where it registers its own aircraft","unit":"","url":""},{"count":null,"name":"Washington County","note":"AFJ","unit":"","url":"https://eflight.com/airports/AFJ"},{"count":6176,"name":"Pennsylvania","note":"","unit":"aircraft registered","url":"https://eflight.com/states/PA"}],"relation":"based in"},{"group":"Certificates and records","items":[{"count":10,"name":"FAA charter and air-taxi certificate","note":"designator S2KA","unit":"aircraft listed","url":""}],"relation":"holds"},{"group":"Aircraft","items":[{"count":null,"name":"N375MZ","note":"Canadair Ltd CL-600-2B16","unit":"","url":"https://eflight.com/aircraft/N375MZ"},{"count":null,"name":"N412SW","note":"Learjet Inc 31A","unit":"","url":"https://eflight.com/aircraft/N412SW"},{"count":null,"name":"N418DL","note":"Learjet Inc 31A","unit":"","url":"https://eflight.com/aircraft/N418DL"},{"count":null,"name":"N724SA","note":"Learjet Inc 31A","unit":"","url":"https://eflight.com/aircraft/N724SA"},{"count":null,"name":"N90VJ","note":"Learjet Inc 31A","unit":"","url":"https://eflight.com/aircraft/N90VJ"},{"count":null,"name":"N335SJ","note":"Learjet Inc 60","unit":"","url":"https://eflight.com/aircraft/N335SJ"},{"count":null,"name":"All 10 aircraft on the certificate","note":"","unit":"","url":"https://eflight.com/operators/rsb-investments-llc#aircraft"}],"relation":"lists on its certificate"}],"graph":"https://eflight.com/graph","graph_index":"https://eflight.com/graph/index.json","license":"https://creativecommons.org/licenses/by/4.0/","node":{"aircraft_listed":10,"base_city":"Washington","base_state":"PA","callsign":null,"certificate":"135","code":null,"designator":"S2KA","dot_authority":null,"id":"rsb-investments-llc","name":"RSB Investments LLC","type":"operator","url":"https://eflight.com/operators/rsb-investments-llc"},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}