{"airworthiness_class":"","airworthiness_date":"","airworthiness_ops":"","category":"drone","cert_issue_date":"","city":"WAUPUN","country_code":"US","county_code":"039","cruise_speed_mph":null,"data_date":"2026-10-02","documents":[],"eng_mfr_mdl":"","engine_horsepower":null,"engine_maker":"","engine_model":"","engine_thrust_lb":null,"expiration_date":"","fractional_owner":0,"is_company":0,"is_electric":1,"is_unmanned_cert":0,"kind":"drones","kit_mfr":"","kit_model":"","last_action_date":"2026-09-06","maker":"Hylio","maker_country":"US","maker_raw":"HYLIO INC","maker_segment":"Agricultural drones","mfr_mdl_code":"06102IX","mode_s_code":"51462133","mode_s_hex":"A6645B","model":"HYL-150","n_number":"N5104H","name":"REGISTRATION PENDING","ntsb_checked":true,"ntsb_records":[{"city":"Challis","damage":"DEST","date":"2005-08-27","highest_injury":"FATL","ntsb_no":"SEA05FA181","probable_cause":"The pilot's failure to maintain aircraft control and the subsequent inadvertent stall/spin to the ground.  A contributing factor was the pilot's diverted attention while spotting/locating Rocky Mountain Bighorn sheep.","registration":"N5104H","state":"ID","summary":"Accident on August 27, 2005 at Challis, ID: fatal, destroyed (2 fatal).","type":"ACC"}],"num_engines":4,"other_names":"","plain_english":"N5104H is a Hylio HYL-150, a rotorcraft powered by electric motors (a helicopter or multicopter). It is unmanned. It is registered to an individual in Waupun, Wisconsin. The FAA lists the registration as \"registration pending\". No airworthiness certificate is on file, which is normal for drones and for aircraft still being built or tested.","records_check":[{"finding":"Registration status is \"Registration pending\". An aircraft cannot be operated on an invalid or expired registration; resolve this with the FAA before any transaction.","item":"Registration and identity","source":1,"status":"ATTENTION"},{"finding":"No airworthiness certificate is on file. Usual for a newly registered aircraft, a project, or an aircraft that has not flown since a change of registration; ask for the certificate.","item":"Airworthiness certificate","source":1,"status":"ATTENTION"},{"finding":"No earlier tail number is recorded against serial 17906110511 for this model in the deregistered file.","item":"Prior registrations of this airframe","source":2,"status":"CLEAR"},{"finding":"N5104H was previously assigned to 2 other aircraft: Cessna 182T (serial 18282158, cancelled October 13, 2009); Piper PA-14 (serial 14-109, cancelled February 21, 2006). 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 N5104H: Accident on August 27, 2005 at Challis, ID: fatal, destroyed (2 fatal). 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":"Great Lakes","region_code":"C","registrant_type":"Individual","registrant_type_code":"1","seats":0,"serial_number":"17906110511","source":"FAA Civil Aviation Registry, Releasable Aircraft Database","state":"WI","status":"Registration pending","status_code":"R","status_short":"Pending","street":"N4584 STATE ROAD 26","street2":"","type_aircraft":"Rotorcraft","type_aircraft_code":"6","type_engine":"Electric","type_engine_code":"10","unique_id":"01529201","url":"https://eflight.com/aircraft/N5104H","watchlist_group":null,"watchlist_note":null,"weight_class":"","year_mfr":null,"zip":"539638854"}