{"airworthiness_class":"Standard","airworthiness_date":"1983-09-13","airworthiness_ops":"Glider","category":"conventional","cert_issue_date":"1991-05-16","city":"JULIAN","country_code":"US","county_code":"027","cruise_speed_mph":null,"data_date":"2026-10-02","documents":[],"eng_mfr_mdl":"00000","engine_horsepower":0,"engine_maker":"NONE","engine_model":"NONE","engine_thrust_lb":0,"expiration_date":"2027-05-31","fractional_owner":0,"is_company":1,"is_electric":0,"is_unmanned_cert":0,"kind":"gliders","kit_mfr":"","kit_model":"","last_action_date":"2023-01-22","maker":"Burkhart Grob Flugzeugbau","maker_country":null,"maker_raw":"BURKHART GROB FLUGZEUGBAU","maker_segment":null,"mfr_mdl_code":"1660202","mode_s_code":"51256270","mode_s_hex":"A55CB8","model":"G103 TWIN ASTIR","n_number":"N4446W","name":"KNAUFF AND GROVE INC","ntsb_checked":true,"ntsb_records":[{"city":"UNIONVILLE","damage":"SUBS","date":"2002-07-05","highest_injury":"NONE","ntsb_no":"IAD02LA071","probable_cause":"The pilot's evasive maneuver to avoid a collision with a departing airplane, which resulted in a landing short of the runway.  A factor was the pilot's decision to land on the runway opposite the one in use.","registration":"N4446W","state":"PA","summary":"Accident on July 5, 2002 at Unionville, PA: no injuries, substantial damage.","type":"ACC"}],"num_engines":0,"other_names":"","plain_english":"N4446W is a Burkhart Grob Flugzeugbau G103 TWIN ASTIR, a glider with no engine, built in 1983. It has 2 seats. It is registered to Knauff And Grove INC, a corporation in Julian, Pennsylvania. The registration is valid: it was issued on May 16, 1991 and expires on May 31, 2027. It holds a standard airworthiness certificate for glider, dated September 13, 1983.","records_check":[{"finding":"Valid registration to Knauff And Grove INC, a corporation, certificate issued May 16, 1991, expires May 31, 2027. No fractional interest recorded.","item":"Registration and identity","source":1,"status":"CLEAR"},{"finding":"Standard certificate for glider, dated September 13, 1983, consistent with the 1983 manufacture year.","item":"Airworthiness certificate","source":1,"status":"CLEAR"},{"finding":"No earlier tail number is recorded against serial 3822-K-81 for this model in the deregistered file.","item":"Prior registrations of this airframe","source":2,"status":"CLEAR"},{"finding":"N4446W was previously assigned to 1 other aircraft: Beech 95-B55 (T42A) (serial TC-1698, cancelled June 3, 1974). 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 N4446W: Accident on July 5, 2002 at Unionville, PA: 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":"Eastern","region_code":"1","registrant_type":"Corporation","registrant_type_code":"3","seats":2,"serial_number":"3822-K-81","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"PA","status":"Valid registration","status_code":"V","status_short":"Valid","street":"3523 S EAGLE VALLEY RD","street2":"","type_aircraft":"Glider","type_aircraft_code":"1","type_engine":"None","type_engine_code":"0","unique_id":"00022524","url":"https://eflight.com/aircraft/N4446W","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":1983,"zip":"168449032"}