{"airworthiness_class":"Standard","airworthiness_date":"1976-03-17","airworthiness_ops":"Normal; Utility","category":"conventional","cert_issue_date":"1971-03-31","city":"BOULDER","country_code":"US","county_code":"013","cruise_speed_mph":97,"data_date":"2026-10-02","documents":[],"eng_mfr_mdl":"41514","engine_horsepower":180,"engine_maker":"LYCOMING","engine_model":"O&VO-360 SER","engine_thrust_lb":0,"expiration_date":"2030-04-30","fractional_owner":0,"is_company":1,"is_electric":0,"is_unmanned_cert":0,"kind":"piston-singles","kit_mfr":"","kit_model":"","last_action_date":"2023-10-20","maker":"Piper","maker_country":null,"maker_raw":"PIPER","maker_segment":null,"mfr_mdl_code":"7101828","mode_s_code":"51360737","mode_s_hex":"A5E1DF","model":"PA-18-150","n_number":"N4785F","name":"SOARING SOCIETY OF BOULDER INC","ntsb_checked":true,"ntsb_records":[{"city":"Boulder","damage":"SUBS","date":"2019-09-23","highest_injury":"NONE","ntsb_no":"GAA19CA572","probable_cause":"The pilot's failure to maintain directional control during the landing roll, which resulted in a ground loop.","registration":"N4785F","state":"CO","summary":"Accident on September 23, 2019 at Boulder, CO: no injuries, substantial damage.","type":"ACC"},{"city":"Boulder","damage":"SUBS","date":"2015-03-16","highest_injury":"NONE","ntsb_no":"GAA15CA011","probable_cause":"The pilot's loss of directional control during a bounced landing, which resulted in a runway excursion.","registration":"N4785F","state":"CO","summary":"Accident on March 16, 2015 at Boulder, CO: no injuries, substantial damage.","type":"ACC"},{"city":"ERIE","damage":"SUBS","date":"2000-07-08","highest_injury":"NONE","ntsb_no":"DEN00LA126","probable_cause":"Aircraft control was not possible by the flight instructor due to the inadequate maintenance adjustment of the tail wheel steering system by maintenance personnel.  Factors were the inadequate aircraft preflight by the second pilot who was receiving a recurrency check ride, and the inadequate supervision, of the second pilot who was performing the preflight, by the flight instructor.","registration":"N4785F","state":"CO","summary":"Accident on July 8, 2000 at Erie, CO: no injuries, substantial damage.","type":"ACC"},{"city":"BOULDER","damage":"SUBS","date":"1999-07-01","highest_injury":"NONE","ntsb_no":"DEN99LA111","probable_cause":"The pilot's failure to maintain control of the aircraft during landing roll.","registration":"N4785F","state":"CO","summary":"Accident on July 1, 1999 at Boulder, CO: no injuries, substantial damage.","type":"ACC"}],"num_engines":1,"other_names":"","plain_english":"N4785F is a Piper PA-18-150, a fixed-wing airplane with one motor with a piston engine, built in 1962. It has 2 seats. It is registered to Soaring Society Of Boulder INC, a corporation in Boulder, Colorado. The registration is valid: it was issued on March 31, 1971 and expires on April 30, 2030. It holds a standard airworthiness certificate for normal; utility, dated March 17, 1976.","records_check":[{"finding":"Valid registration to Soaring Society Of Boulder INC, a corporation, certificate issued March 31, 1971, expires April 30, 2030. No fractional interest recorded.","item":"Registration and identity","source":1,"status":"CLEAR"},{"finding":"The airworthiness certificate on file is dated March 17, 1976, 14 years after the 1962 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 18-7906 for this model in the deregistered file.","item":"Prior registrations of this airframe","source":2,"status":"CLEAR"},{"finding":"No other airframe has carried N4785F 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":"4 NTSB records under N4785F: Accident on September 23, 2019 at Boulder, CO: no injuries, substantial damage. Accident on March 16, 2015 at Boulder, CO: no injuries, substantial damage. Accident on July 8, 2000 at Erie, CO: 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":"Northwest Mountain","region_code":"S","registrant_type":"Corporation","registrant_type_code":"3","seats":2,"serial_number":"18-7906","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"CO","status":"Valid registration","status_code":"V","status_short":"Valid","street":"PO BOX 17577","street2":"","type_aircraft":"Fixed-wing, single engine","type_aircraft_code":"4","type_engine":"Piston (reciprocating)","type_engine_code":"1","unique_id":"00290125","url":"https://eflight.com/aircraft/N4785F","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":1962,"zip":"803080577"}