Vintage Vibes: Boeing Stearman Returns to Sandflats with UMS 5-100 Radial Power! 

Rekindle vintage vibes as the Boeing Stearman makes its triumphant return to NMAC's Sandflats, powered by the majestic UMS 5-100 5-cylinder radial gas engine. Witness history take flight once again! #NMAC #Sandflats #BoeingStearman #UMS5100 #rcflight #rcplane