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 (later Boeing Vertol). Commonly called "the flying banana", it was a multi-mission helicopter, capable …

Welcome to H21 Limited. We are fully recognised as an Approved EUSR Training Provider running regular online and on-site courses across the UK. We specialise in Online, Bespoke and 1-1 Training for the EUSR National Water Hygiene …

Apr 22, 2021 · The H-21A was the winner of an air force design competition, designed as a high altitude arctic rescue helicopter for fourteen troops or twelve stretchers. Later versions (H-21B/C) were developed to lift 20 troops.

Although famous as an Army assault helicopter, the H-21 was originally designed as an Arctic rescue helicopter for the U.S. Air Force. First flying in 1952, the YH-21 prototype was powered by an 1150 hp Wright R-1820 nine cylinder radial engine.

US Air Force procurement began with 18 of the YH-21 Work Horse in 1952, which was the first tandem rotor helicopter used by the USAF. 33 H-21As followed and it distinguished itself in the SAR role, where it performed well in the Arctic environment. 168 H-21Bs were delivered.

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 (later Boeing Vertol). Commonly called the flying banana, it was a multi-mission helicopter, utilizing wheels, skis, or floats.

H21 or H-21 may refer to: British NVC community H21, a type of heath community in the British National Vegetation Classification; Highway H21 (Ukraine) HMS H21, a Royal Navy H-class submarine; HMS Scimitar (H21), a Royal Navy S-class destroyer; Mata Hari (1876–1917), German spy code named H-21; Piasecki H-21, an American helicopter

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 (later Boeing Vertol). Commonly called the “flying banana”, it was a multi-mission helicopter, utilizing wheels, skis, or floats.

The Piasecki H-21 Workhorse / Shawnee is a single-engine tandem rotor medium transport helicopter produced by the US-American manufacturer Piasecki Helicopter Corp., later Vertol Aircraft Corporation. The H-21 was redesignated CH-21 in 1962.

Mar 8, 2020 · Due to its unique shape, the H-21 - and its predecessors - were nicknamed the "Flying Banana". A first flight was had in April of 1952, its design attributed to Frank Piasecki himself. The H-21 was based on the HRP-1 but incorporated more modern elements to its construction for a more robust end-product.