{"airworthiness_class":"Standard","airworthiness_date":"1991-06-05","airworthiness_ops":"Normal","category":"conventional","cert_issue_date":"2010-06-29","city":"BLOWING ROCK","country_code":"US","county_code":"189","cruise_speed_mph":72,"data_date":"2026-10-02","documents":[],"eng_mfr_mdl":"41534","engine_horsepower":310,"engine_maker":"LYCOMING","engine_model":"VO-540 SERIES","engine_thrust_lb":0,"expiration_date":"2027-10-31","fractional_owner":0,"is_company":1,"is_electric":0,"is_unmanned_cert":0,"kind":"helicopters","kit_mfr":"","kit_model":"","last_action_date":"2023-03-24","maker":"Hiller","maker_country":null,"maker_raw":"HILLER","maker_segment":null,"mfr_mdl_code":"4360122","mode_s_code":"51214403","mode_s_hex":"A51903","model":"UH-12E","n_number":"N4277X","name":"HIGH COUNTRY HELICOPTER LLC","ntsb_checked":true,"ntsb_records":[],"num_engines":1,"other_names":"","plain_english":"N4277X is a Hiller UH-12E, a rotorcraft with a piston engine (a helicopter or multicopter), built in 1981. It has 4 seats. It is registered to High Country Helicopter LLC, an LLC in Blowing Rock, North Carolina. The registration is valid: it was issued on June 29, 2010 and expires on October 31, 2027. It holds a standard airworthiness certificate for normal, dated June 5, 1991.","records_check":[{"finding":"Valid registration to High Country Helicopter LLC, an LLC, certificate issued June 29, 2010, expires October 31, 2027. No fractional interest recorded.","item":"Registration and identity","source":1,"status":"CLEAR"},{"finding":"The airworthiness certificate on file is dated June 5, 1991, 10 years after the 1981 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 5161 for this model in the deregistered file.","item":"Prior registrations of this airframe","source":2,"status":"CLEAR"},{"finding":"No other airframe has carried N4277X 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":"No NTSB investigation records located under N4277X. CLEAR means the query ran and returned nothing, not that nothing ever happened.","item":"Accident and incident record","source":4,"status":"CLEAR"},{"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":"LLC","registrant_type_code":"7","seats":4,"serial_number":"5161","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"NC","status":"Valid registration","status_code":"V","status_short":"Valid","street":"339 GORGE VIEW DR","street2":"","type_aircraft":"Rotorcraft","type_aircraft_code":"6","type_engine":"Piston (reciprocating)","type_engine_code":"1","unique_id":"00554132","url":"https://eflight.com/aircraft/N4277X","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":1981,"zip":"286059139"}