Aircraft Description
N521EC is a 2023 Glenn C Mathis Jr RANS S-21 OUTBOUND, a single-engine four-cycle piston aircraft registered to Mathis Glenn C Jr in Frankston, TX. This aircraft holds a experimental airworthiness certificate issued by the Federal Aviation Administration on February 10, 2023. The registration certificate was issued on January 20, 2023. The registration is set to expire on January 31, 2030. Powered by a Rotax 915 IS engine producing 135 horsepower, N521EC is. The aircraft's Mode S transponder code is A68D0C (hex), used for ADS-B identification and flight tracking. N521EC was last tracked by AviatorDB near Aero Estates Airport (T25) on March 12, 2026. The FAA registry record for N521EC was last updated on September 29, 2023. AviatorDB monitors aircraft positions through ADS-B surveillance data and updates records as new position data is received.
Glenn C Mathis Jr is an aircraft manufacturer with aircraft registered in the FAA database tracked by AviatorDB. AviatorDB tracks 2 Glenn C Mathis Jr aircraft currently registered in the FAA database, including the RANS S-21 OUTBOUND model.
AviatorDB has found no NTSB accident or incident reports involving N521EC. AviatorDB cross-references all FAA registration data with NTSB accident and incident reports, providing a comprehensive safety overview for every registered aircraft in the United States.
Registered Owner
Powerplant & Avionics
Additional Details
Last Known Position
Data Source
Data provided by the US Federal Aviation Administration. View on FAA.gov
Last updated: 2026-04-01 01:32:20 UTC