Piasecki YH-16A-PH Transporter 50-1270, right side, black and white Published on January 4, 2014 in 5 January 1956Full resolution (996 × 765) ← Previous Next → Prototype Piasecki YH-16A Transporter 50-1270, hovering in ground effect at Philadelphia Airport, 1955. (Piasecki Aircraft Corporation)