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A platform for plane spotters to log aircraft sightings, explore airframes and airports, track spotting statistics, and connect with the aviation community. Built with passion by Kai Simpson.

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SpotBase/N12221/KDEN/N12221 Sighting

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N12221

B738United Airlines

@planespotter KDENAug 15, 2026brownies · brownies

Aircraft logged at airport KDEN on Aug 15, 2026. Airframe: N12221 (B738) operated by United Airlines. Photographed by planespotter.