Aircraft Description
N171S is a 2017 Mark Rock EVOLUTION, a single-engine reciprocating (piston) aircraft registered to Cotterkey N171S LLC in Phoenix, AZ. This aircraft holds a experimental airworthiness certificate issued by the Federal Aviation Administration on December 27, 2020. The registration certificate was issued on February 25, 2025. The registration is set to expire on February 29, 2032. Powered by a P&w PT6A SERIES engine producing 500 horsepower, N171S is. The aircraft's Mode S transponder code is A11E74 (hex), used for ADS-B identification and flight tracking. N171S was last tracked by AviatorDB near Phoenix Deer Valley Airport (KDVT) on March 24, 2026. The FAA registry record for N171S was last updated on February 25, 2025. AviatorDB monitors aircraft positions through ADS-B surveillance data and updates records as new position data is received.
Mark Rock is an aircraft manufacturer with aircraft registered in the FAA database tracked by AviatorDB. AviatorDB tracks 1 Mark Rock aircraft currently registered in the FAA database, including the EVOLUTION model.
AviatorDB has found no NTSB accident or incident reports involving N171S. 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