{"airworthiness_class":"Experimental","airworthiness_date":"2007-12-29","airworthiness_ops":"Registered before Jan 31, 2008","category":"conventional","cert_issue_date":"2019-10-15","city":"BROWNSBURG","country_code":"US","county_code":"063","cruise_speed_mph":null,"data_date":"2026-10-02","documents":[],"eng_mfr_mdl":"55556","engine_horsepower":65,"engine_maker":"ROTAX","engine_model":"582SER","engine_thrust_lb":0,"expiration_date":"2029-10-31","fractional_owner":0,"is_company":0,"is_electric":0,"is_unmanned_cert":0,"kind":"gyroplanes","kit_mfr":"","kit_model":"","last_action_date":"2026-09-02","maker":"Sport Copter","maker_country":null,"maker_raw":"SPORT COPTER","maker_segment":null,"mfr_mdl_code":"05901T1","mode_s_code":"52366223","mode_s_hex":"A9EC93","model":"VORTEX","n_number":"N739B","name":"BOHBRINK CLARK G","ntsb_checked":true,"ntsb_records":[{"city":"LA VERNE","damage":"SUBS","date":"1990-04-04","highest_injury":"NONE","ntsb_no":"LAX90LA137","probable_cause":"THE HELICOPTER'S ROTOR SYSTEM BEING ALLOWED TO UNDERSPEED AS A RESULT OF IMPROPER USE OF FLIGHT CONTROLS BY THE DUAL STUDENT; IMPROPER SUPERVISION BY THE CERTIFIED FLIGHT INSTRUCTOR; AND DELAYED REMEDIAL ACTION BY THE CERTIFIED FLIGHT INSTRUCTOR WHICH ALLOWED THE IN FLIGHT COLLISION WITH THE RUNWAY.","registration":"N739B","state":"CA","summary":"Accident on April 4, 1990 at La Verne, CA: no injuries, substantial damage.","type":"ACC"},{"city":"ZACHARY","damage":"SUBS","date":"1983-05-15","highest_injury":"SERS","ntsb_no":"FTW83FA232","probable_cause":"","registration":"N739B","state":"LA","summary":"Accident on May 15, 1983 at Zachary, LA: serious injuries, substantial damage.","type":"ACC"}],"num_engines":1,"other_names":"","plain_english":"N739B is a Sport Copter VORTEX, a gyroplane with a two-stroke engine, built in 2007. It has 1 seat. It is registered to an individual in Brownsburg, Indiana. The registration is valid: it was issued on October 15, 2019 and expires on October 31, 2029. It holds an experimental airworthiness certificate for registered before jan 31, 2008, dated December 29, 2007.","records_check":[{"finding":"Valid registration to Bohbrink Clark G, an individual, certificate issued October 15, 2019, expires October 31, 2029. No fractional interest recorded.","item":"Registration and identity","source":1,"status":"CLEAR"},{"finding":"Experimental certificate for registered before jan 31, 2008, dated December 29, 2007, consistent with the 2007 manufacture year.","item":"Airworthiness certificate","source":1,"status":"CLEAR"},{"finding":"No earlier tail number is recorded against serial 104 for this model in the deregistered file.","item":"Prior registrations of this airframe","source":2,"status":"CLEAR"},{"finding":"No other airframe has carried N739B according to the deregistered file.","item":"Tail number reuse","source":2,"status":"CLEAR"},{"finding":"No bills of sale, loans or releases have reached the registry in recent weeks. The index covers only recent filings; older liens are in the records file.","item":"Recent registry documents","source":3,"status":"NOTE"},{"finding":"2 NTSB records under N739B: Accident on April 4, 1990 at La Verne, CA: no injuries, substantial damage. Accident on May 15, 1983 at Zachary, LA: serious injuries, substantial damage. Details below.","item":"Accident and incident record","source":4,"status":"ATTENTION"},{"finding":"These live in the FAA aircraft records file (every document ever filed against the aircraft) and, for larger aircraft, the International Registry. Part of the full report.","item":"Title chain, liens and 337 forms","source":null,"status":"PENDING"},{"finding":"AD compliance against the logbooks and flight-activity reconciliation are researched layers of the full report.","item":"Airworthiness directives and utilization","source":null,"status":"PENDING"}],"records_check_sources":[{"n":1,"name":"FAA Releasable Aircraft Database, master file","url":"https://registry.faa.gov/"},{"n":2,"name":"FAA deregistered aircraft file (part of the same download)","url":"https://registry.faa.gov/"},{"n":3,"name":"FAA document index: registry documents received in recent weeks","url":"https://registry.faa.gov/"},{"n":4,"name":"NTSB aviation accident database (CAROL)","url":"https://data.ntsb.gov/carol-main-public/basic-search"}],"region":"Great Lakes","region_code":"C","registrant_type":"Individual","registrant_type_code":"1","seats":1,"serial_number":"104","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"IN","status":"Valid registration","status_code":"V","status_short":"Valid","street":"8670 HUDSON WAY","street2":"","type_aircraft":"Gyroplane","type_aircraft_code":"9","type_engine":"Two-cycle piston","type_engine_code":"7","unique_id":"00388899","url":"https://eflight.com/aircraft/N739B","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":2007,"zip":"461125822"}