{"as_of":"2026-10-23","attribution":"FAA and NTSB data via eFlight Registry (https://eflight.com)","connections":[{"group":"Design","items":[{"count":5,"name":"Rotorcraft Development Corp","note":"","unit":"aircraft on the register","url":"https://eflight.com/makers/rotorcraft-development-corp"}],"relation":"is a"},{"group":"Engine","items":[{"count":23,"name":"Allison (Rolls-Royce) T63-A-720","note":"420 hp","unit":"aircraft with this engine series","url":"https://eflight.com/engines/allison-rolls-royce-t63-a-720"},{"count":null,"name":"Type certificate R00006DE","note":"held by Rotorcraft Development CORP","unit":"","url":""}],"relation":"powered by"},{"group":"Owner","items":[{"count":5,"name":"Central States Helicopters INC","note":"","unit":"aircraft in the fleet","url":"https://eflight.com/fleets/central-states-helicopters-inc"}],"relation":"owned by"},{"group":"Place","items":[{"count":11,"name":"Wood River, NE","note":"","unit":"aircraft registered in this town","url":""},{"count":2944,"name":"Nebraska","note":"","unit":"aircraft registered","url":"https://eflight.com/states/NE"}],"relation":"registered in"},{"group":"Record","items":[{"count":null,"name":"No NTSB accident or incident record under this tail number","note":"","unit":"","url":"https://eflight.com/aircraft/N115SR#records-check"}],"relation":"involved in"},{"group":"Airworthiness","items":[{"count":10,"name":"Failure reports on the Allison (Rolls-Royce) T63-A-720","note":"","unit":"reports since 1995","url":"https://eflight.com/engines/allison-rolls-royce-t63-a-720#airworthiness"},{"count":null,"name":"Report filed on this aircraft: Bracket, corroded","note":"2002-08-08","unit":"","url":"https://eflight.com/systems/structure"},{"count":null,"name":"Report filed on this aircraft: Muffler, separated","note":"1997-09-18","unit":"","url":"https://eflight.com/systems/engine"}],"relation":"subject to"},{"group":"Live","items":[{"count":null,"name":"Where N115SR is now","note":"","unit":"","url":"https://eflight.com/live?q=N115SR"}],"relation":"seen at"}],"graph":"https://eflight.com/graph","graph_index":"https://eflight.com/graph/index.json","license":"https://creativecommons.org/licenses/by/4.0/","node":{"built_of":null,"id":"N115SR","maker":"Rotorcraft Development Corp","model":"OH-58A+","name":"Rotorcraft Development Corp OH-58A+ N115SR","state":"NE","type":"aircraft","url":"https://eflight.com/aircraft/N115SR","year_built":1972},"source":"FAA Civil Aviation Registry, FAA airport file, NTSB accident database; assembled by eFlight Registry"}