The H-25 helicopter, also known as the Piasecki HUP Retriever or Army Mule, was a compact, post-war utility helicopter featuring a distinctive tandem rotor design, used by the US Navy and Army for transport, rescue (plane guard), and anti-submarine roles, noted for its sturdy build and versatility from aircraft carriers and land bases. Developed by Piasecki Helicopter Corporation (later Boeing-Vertol), it entered service in the early 1950s with a single radial piston engine and compact fuselage.

Frank Piasecki's famous helicopter designs have helped the world in military, industrial and humanitarian reliefs. How did his legacy continue? To find out more about #TheAgeOfAerospace visit www.theageofaerospace.com | Discovery Channel India

1.5K views · 11 reactions | The Piasecki H-21 Workhorse/Shawnee is an American helicopter, the fourth of a line of tandem rotor helicopters designed and built by Piasecki Helicopter. Commonly called "the flying banana", it was a multi-mission helicopter, capable of being fitted with wheels, skis or floats. | Aircraft Reports - Aircraft Manuals Data and Publications | Facebook