Piasecki H-21 / CH-21

Medium Transport Helicopter

Piasecki H-21C, German Army Aviation / Heer, 83+11, c/n WG11 © Karsten Palt
Photo ©: Karsten Palt
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.
The Piasecki H-21 is a development of the Piasecki HRP-2 Rescuer. 32 H-21C Shawnee were assembled by Weser Flug GmbH in Germany for the West German Army.
Crew2
Passengers22
Propulsion1 Radial Engine
Engine ModelWright R-1820-130 Cyclone
Engine Power1063 kW1426 hp
Speed211 km/h114 kts
  131 mph
Service Ceiling2.362 m7.750 ft
Range644 km348 NM
400 mi.
Empty Weight3.629 kg8.001 lbs
max. Takeoff Weight6.668 kg14.700 lbs
Rotor Blades (main/tail)3/33/3
Main Rotor Diameter13,41 m44,0 ft
Tail Rotor Diameter13,41 m44,0 ft
Rotor Disc Area141,2 m²1520 ft²
Length (Fuselage)16,00 m52,5 ft
Length26,31 m86,3 ft
Height4,70 m15,4 ft
First Flight11.04.1952
Production Statusout of production
Total Productionca. 600
VariantsH-21A Workhorse / CH-21A, H-21B Workhorse / CH-21B, SH-21B Workhorse / HH-21B, H-21C Shawnee / CH-21C, CH-127

[Photo-ID: 11342] © Karsten Palt 2015-06-04
Piasecki CH-21B Workhorse, United States Air Force (USAF), 53-4326, c/n B.76,© Karsten Palt, 2015Piasecki
CH-21B Workhorse
United States Air Force (USAF)
Reg.: 53-4326
c/n: B.76
 
March Field Air Museum [Riverside, CA]
[Photo-ID: 11343] © Karsten Palt 2015-06-04
Piasecki CH-21B Workhorse, United States Air Force (USAF), 53-4326, c/n B.76,© Karsten Palt, 2015Piasecki
CH-21B Workhorse
United States Air Force (USAF)
Reg.: 53-4326
c/n: B.76
 
March Field Air Museum [Riverside, CA]
[Photo-ID: 11173] © Karsten Palt 2015-06-03
Piasecki CH-21C Workhorse, United States Army, 56-2159, c/n C.321,© Karsten Palt, 2015Piasecki
CH-21C Workhorse
United States Army
Reg.: 56-2159
c/n: C.321
 
Pima Air and Space Museum [Tucson, AZ]
[Photo-ID: 5429] © Karsten Palt 2012-01-11
Piasecki H-21B Workhorse, US Air Force (USAF), 51-15857, c/n B.4,© Karsten Palt, 2012Piasecki
H-21B Workhorse
US Air Force (USAF)
Reg.: 51-15857
c/n: B.4
 
National Museum of the United States Air Force [Dayton, Ohio / USA (Wright-Patterson AFB)]
[Photo-ID: 7754] © Karsten Palt 2013-09-01
Piasecki H-21C, German Army Aviation / Heer, 83+07, c/n WG7,© Karsten Palt, 2013Piasecki
H-21C
German Army Aviation / Heer
Reg.: 83+07
c/n: WG7
 
Hubschraubermuseum Bueckeburg [Bueckeburg]
[Photo-ID: 7755] © Karsten Palt 2013-09-01
Piasecki H-21C, German Army Aviation / Heer, 83+07, c/n WG7,© Karsten Palt, 2013Piasecki
H-21C
German Army Aviation / Heer
Reg.: 83+07
c/n: WG7
 
Hubschraubermuseum Bueckeburg [Bueckeburg]
[Photo-ID: 3518] © Karsten Palt 2010-06-12
Piasecki H-21C, German Army Aviation / Heer, 83+08, c/n WG8,© Karsten Palt, 2010Piasecki
H-21C
German Army Aviation / Heer
Reg.: 83+08
c/n: WG8
 
Luftwaffenmuseum [Berlin - Gatow]
[Photo-ID: 3519] © Karsten Palt 2010-06-12
Piasecki H-21C, German Army Aviation / Heer, 83+08, c/n WG8,© Karsten Palt, 2010Piasecki
H-21C
German Army Aviation / Heer
Reg.: 83+08
c/n: WG8
 
Luftwaffenmuseum [Berlin - Gatow]
[Photo-ID: 1441] © Karsten Palt 2008-09-27
Piasecki H-21C, German Army Aviation / Heer, 83+11, c/n WG11,© Karsten Palt, 2008Piasecki
H-21C
German Army Aviation / Heer
Reg.: 83+11
c/n: WG11
 
Flugausstellung L.+P. Junior [Hermeskeil]