Sikorsky XR-4 (VS-316A) 41-18874 at Wright Field, 17 May 1942. Published on May 17, 2012 in 17 May 1942Full resolution (376 × 223) Next → The Sikorsky XR-4 41-18874 at Wright Field, 17 May 1942. Left to right: E. Walsh, A. Planefisch, Igor Sikorsky, Orville Wright, Les Morris, B. Labensky. (Sikorsky)