The Platt-LePage XR-1, also known by the company designation PL-3, was an early American transverse rotors helicopter, built by the Platt-LePage Aircraft Company of Eddystone, Pennsylvania.
Platt-Lepage XR-1, juga dikenal dengan sebutan perusahaan PL-3, adalah helikopter twin-rotor awal Amerika, dibangun oleh Platt-Lepage Aircraft Company dari Eddystone, Pennsylvania.