{"airworthiness_class":"Standard","airworthiness_date":"1990-12-10","airworthiness_ops":"Normal","category":"conventional","cert_issue_date":"1998-08-29","city":"CRAIG","country_code":"US","county_code":"081","cruise_speed_mph":72,"data_date":"2026-10-02","documents":[],"eng_mfr_mdl":"03020","engine_horsepower":420,"engine_maker":"ALLISON","engine_model":"250-C20 SER","engine_thrust_lb":0,"expiration_date":"2028-03-31","fractional_owner":0,"is_company":1,"is_electric":0,"is_unmanned_cert":0,"kind":"helicopters","kit_mfr":"","kit_model":"","last_action_date":"2023-04-28","maker":"Hiller","maker_country":null,"maker_raw":"HILLER","maker_segment":null,"mfr_mdl_code":"4360122","mode_s_code":"52314340","mode_s_hex":"A998E0","model":"UH-12E","n_number":"N7173S","name":"CRAIG HELICOPTERS INC","ntsb_checked":true,"ntsb_records":[{"city":"Dinosaur","damage":"SUBS","date":"2020-02-01","highest_injury":"NONE","ntsb_no":"CEN20LA073","probable_cause":"Failure of a S4 compressor blade due to a fatigue crack that likely initiated at a corrosion pit. Contributing to the accident was maintenance personnel\u2019s failure to detect the corrosion pits during maintenance.","registration":"N7173S","state":"CO","summary":"Accident on February 1, 2020 at Dinosaur, CO: no injuries, substantial damage.","type":"ACC"},{"city":"VERNAL","damage":"DEST","date":"1991-09-18","highest_injury":"","ntsb_no":"SEA91TL#02","probable_cause":null,"registration":"N7173S","state":"UT","summary":"Accident on September 18, 1991 at Vernal, UT: destroyed.","type":"ACC"}],"num_engines":1,"other_names":"","plain_english":"N7173S is a Hiller UH-12E, a rotorcraft with a piston engine (a helicopter or multicopter), built in 1965. It has 4 seats. It is registered to Craig Helicopters INC, a corporation in Craig, Colorado. The registration is valid: it was issued on August 29, 1998 and expires on March 31, 2028. It holds a standard airworthiness certificate for normal, dated December 10, 1990.","records_check":[{"finding":"Valid registration to Craig Helicopters INC, a corporation, certificate issued August 29, 1998, expires March 31, 2028. No fractional interest recorded.","item":"Registration and identity","source":1,"status":"CLEAR"},{"finding":"The airworthiness certificate on file is dated December 10, 1990, 25 years after the 1965 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 2351 for this model in the deregistered file.","item":"Prior registrations of this airframe","source":2,"status":"CLEAR"},{"finding":"N7173S was previously assigned to 1 other aircraft: Cessna 150H (serial 15067873, cancelled April 23, 1970). 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":"2 NTSB records under N7173S: Accident on February 1, 2020 at Dinosaur, CO: no injuries, substantial damage. Accident on September 18, 1991 at Vernal, UT: destroyed. 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":4,"serial_number":"2351","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"CO","status":"Valid registration","status_code":"V","status_short":"Valid","street":"PO BOX 1212","street2":"","type_aircraft":"Rotorcraft","type_aircraft_code":"6","type_engine":"Piston (reciprocating)","type_engine_code":"1","unique_id":"00267708","url":"https://eflight.com/aircraft/N7173S","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":1965,"zip":"816261212"}