N91KS - 2004 Spreuer Keith Cozy MK IV Aircraft Registration

N91KS is a 2004 Spreuer Keith COZY MK IV, a single-engine reciprocating (piston) aircraft registered to Spreuer Keith R in Prescott Valley, AZ. This aircraft holds a experimental airworthiness certificate issued by the Federal Aviation Administration on August 23, 2004. The registration certificate was issued on February 13, 1998. The registration is set to expire on September 30, 2029. Powered by a Subaru ALL MDLS A/B engine producing 400 horsepower, N91KS is. The aircraft's Mode S transponder code is AC9544 (hex), used for ADS-B identification and flight tracking. N91KS was last tracked by AviatorDB at coordinates 34.4570, -111.6236 on February 6, 2026. The FAA registry record for N91KS was last updated on October 17, 2025. AviatorDB monitors aircraft positions through ADS-B surveillance data and updates records as new position data is received.

Spreuer Keith is an aircraft manufacturer with aircraft registered in the FAA database tracked by AviatorDB. AviatorDB tracks 1 Spreuer Keith aircraft currently registered in the FAA database, including the COZY MK IV model.

AviatorDB has found no NTSB accident or incident reports involving N91KS. 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.