{"airworthiness_class":"Experimental","airworthiness_date":"1989-07-20","airworthiness_ops":"Amateur built","category":"conventional","cert_issue_date":"2017-12-07","city":"BIG LAKE","country_code":"US","county_code":"050","cruise_speed_mph":null,"data_date":"2026-10-02","documents":[],"eng_mfr_mdl":"55006","engine_horsepower":150,"engine_maker":"ROTORWAY","engine_model":"RW152","engine_thrust_lb":0,"expiration_date":"2027-12-31","fractional_owner":0,"is_company":0,"is_electric":0,"is_unmanned_cert":0,"kind":"helicopters","kit_mfr":"","kit_model":"","last_action_date":"2023-04-07","maker":"Richards Edward J","maker_country":null,"maker_raw":"RICHARDS EDWARD J","maker_segment":null,"mfr_mdl_code":"13017EY","mode_s_code":"52513663","mode_s_hex":"AA97B3","model":"ROTORWAY EXEC","n_number":"N7818F","name":"CRABTREE WILLIAM D SR","ntsb_checked":true,"ntsb_records":[{"city":"Sully","damage":"SUBS","date":"2011-05-31","highest_injury":"NONE","ntsb_no":"CEN11LA366","probable_cause":"The pilot's failure to attain an adequate climb rate during the initial takeoff, resulting in the airplane settling back down and departing the runway. Contributing to the accident was the pilot's inadequate preflight planning and preparation.","registration":"N7818F","state":"IA","summary":"Accident on May 31, 2011 at Sully, IA: no injuries, substantial damage.","type":"ACC"}],"num_engines":1,"other_names":"","plain_english":"N7818F is a Richards Edward J ROTORWAY EXEC, a rotorcraft with a piston engine (a helicopter or multicopter), built in 1986. It has 2 seats. It is registered to an individual in Big Lake, Alaska. The registration is valid: it was issued on December 7, 2017 and expires on December 31, 2027. It holds an experimental airworthiness certificate for amateur built, dated July 20, 1989.","records_check":[{"finding":"Valid registration to Crabtree William D SR, an individual, certificate issued December 7, 2017, expires December 31, 2027. No fractional interest recorded.","item":"Registration and identity","source":1,"status":"CLEAR"},{"finding":"The airworthiness certificate on file is dated July 20, 1989, 3 years after the 1986 manufacture year. A re-issued certificate commonly follows export and re-import, a rebuild, or a return to the register after cancellation. The cause is documented in the FAA aircraft records file, which the full report obtains.","item":"Airworthiness certificate date","source":1,"status":"ATTENTION"},{"finding":"No earlier tail number is recorded against serial 3085 for this model in the deregistered file.","item":"Prior registrations of this airframe","source":2,"status":"CLEAR"},{"finding":"N7818F was previously assigned to 1 other aircraft: Cessna 150F (serial 15063918, cancelled April 20, 2012). Histories keyed to the tail number alone can mix aircraft up; this check keys on the serial number.","item":"Tail number reuse","source":2,"status":"ATTENTION"},{"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":"1 NTSB record under N7818F: Accident on May 31, 2011 at Sully, IA: no 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":"Alaskan","region_code":"5","registrant_type":"Individual","registrant_type_code":"1","seats":2,"serial_number":"3085","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"AK","status":"Valid registration","status_code":"V","status_short":"Valid","street":"PO BOX 521056","street2":"","type_aircraft":"Rotorcraft","type_aircraft_code":"6","type_engine":"Piston (reciprocating)","type_engine_code":"1","unique_id":"00140657","url":"https://eflight.com/aircraft/N7818F","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":1986,"zip":"996521056"}