{"airworthiness_class":"Standard","airworthiness_date":"1955-12-19","airworthiness_ops":"","category":"conventional","cert_issue_date":"2022-12-26","city":"EAST HELENA","country_code":"US","county_code":"049","cruise_speed_mph":90,"data_date":"2026-09-25","documents":[{"collateral_type":"Aircraft","doc_type":"Bill of sale (evidence of ownership)","party":"","receipt_date":"2026-09-09"},{"collateral_type":"Aircraft","doc_type":"Bill of sale (evidence of ownership)","party":"","receipt_date":"2026-09-09"}],"eng_mfr_mdl":"17005","engine_horsepower":75,"engine_maker":"CONT MOTOR","engine_model":"A&C75 SERIES","engine_thrust_lb":0,"expiration_date":"2029-12-31","fractional_owner":0,"is_company":1,"is_electric":0,"is_unmanned_cert":0,"kit_mfr":"","kit_model":"","last_action_date":"2023-09-22","maker":"Engineering & Research","maker_country":null,"maker_raw":"ENGINEERING & RESEARCH","maker_segment":null,"mfr_mdl_code":"0420314","mode_s_code":"51110611","mode_s_hex":"A49189","model":"ERCOUPE 415-CD","n_number":"N3939H","name":"COUPE NH LLC","num_engines":1,"other_names":"","plain_english":"N3939H is an Engineering & Research ERCOUPE 415-CD, a fixed-wing airplane with one motor with a piston engine, built in 1947. It has 2 seats. It is registered to Coupe Nh LLC, an LLC in East Helena, Montana. The registration is valid: it was issued on December 26, 2022 and expires on December 31, 2029. It holds a standard airworthiness certificate, dated December 19, 1955. 2 documents are on file: 2 \u00d7 bill of sale (evidence of ownership).","region":"Northwest Mountain","region_code":"S","registrant_type":"LLC","registrant_type_code":"7","seats":2,"serial_number":"4640","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"MT","status":"Valid registration","status_code":"V","status_short":"Valid","street":"PO BOX 1165","street2":"","type_aircraft":"Fixed-wing, single engine","type_aircraft_code":"4","type_engine":"Piston (reciprocating)","type_engine_code":"1","unique_id":"00070694","url":"https://staging.data.eflight.com/aircraft/N3939H","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":1947,"zip":"596351165"}