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    Piasecki (Vertol) H-21 Workhorse & Shawnee

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    Giora Minor
    The Piasecki (Vertol) H-21 was a utility helicopter produced from 1947 to 1959. Over 600 were built and it served with the US military as well as forces in Canada, France, Japan, Sweden, and West Germany. Key variants included the H-21A Workhorse, H-21B Workhorse, and H-21C Shawnee which were used for cargo and troop transport missions. The H-21 established itself as a versatile and dependable "workhorse" helicopter during its service life from 1948 to 1965.

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    Piasecki (Vertol) H-21 Workhorse & Shawnee

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    Giora Minor
    57 views4 pages
    The Piasecki (Vertol) H-21 was a utility helicopter produced from 1947 to 1959. Over 600 were built and it served with the US military as well as forces in Canada, France, Japan, Sweden, and West Germany. Key variants included the H-21A Workhorse, H-21B Workhorse, and H-21C Shawnee which were used for cargo and troop transport missions. The H-21 established itself as a versatile and dependable "workhorse" helicopter during its service life from 1948 to 1965.

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    The Piasecki (Vertol) H-21 was a utility helicopter produced from 1947 to 1959. Over 600 were built and it served with the US military as well as forces in Canada, France, Japan, Sweden, and West Germany. Key variants included the H-21A Workhorse, H-21B Workhorse, and H-21C Shawnee which were used for cargo and troop transport missions. The H-21 established itself as a versatile and dependable "workhorse" helicopter during its service life from 1948 to 1965.

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    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd
    Download as pdf or txt
    57 views4 pages

    Piasecki (Vertol) H-21 Workhorse & Shawnee

    Uploaded by

    Giora Minor
    The Piasecki (Vertol) H-21 was a utility helicopter produced from 1947 to 1959. Over 600 were built and it served with the US military as well as forces in Canada, France, Japan, Sweden, and West Germany. Key variants included the H-21A Workhorse, H-21B Workhorse, and H-21C Shawnee which were used for cargo and troop transport missions. The H-21 established itself as a versatile and dependable "workhorse" helicopter during its service life from 1948 to 1965.

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    © All Rights Reserved
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    of 4

    H-21 http://www.uswarplanes.net/h21.

    html

    PIASECKI (VERTOL) H-21 WORKHORSE / SHAWNEE


    H-21 SERVICE
    Piasecki Helicopter Corp., Morton, Pennsylvania, USA
    Manufacturer:
    (In 1956, became Vertol Aircraft Corp.)
    Models: Model PV-3, PV-17, PV-22, Vertol Model 42, 43, 44, 71
    Designations: H-21 (CH-21); HRP, CH-125 / CH-127 (Canada)
    Names: Rescuer (USN); Workhorse (USAF); Shawnee (US Army)
    (XHRP-1) ?
    First official flight:
    (YH-21) 11/04/1952
    Factory production
    1947 - 1959
    period:
    Primary service period: 1948 - 1965
    Last official flight: (CH-21C) 1965

    H-21 VARIANTS

    ? Model PV-3 XHRP-1 2


    ? Model PV-3 HRP-1 35
    1948 Model PV-17 HRP-2 5 Total: 042

    1952 Model PV-22 YH-21 18


    1953 Model 42 H-21A 38
    1953 Model 42 H-21B 168
    1953 Model 43 H-21C 334 Total: 558

    ? Model 44A Model 44A ?


    ? Model 44B Model 44B ?
    ? Model 44C Model 44C ? Total: ?
    Grand Total: 600
    Foreign built - West
    1957 Germany: H-21C 32 Grand Total: 032
    Model 43

    H-21 PRODUCTION
    Military Helicopters

    XHRP-1 Rescuer
    Prototype, singled-engined, tandem
    3-bladed rotor transport helicopter
    for the US Navy and USMC.
    Produced
    Piasecki Morton, Pennsylvania (P)

    BuNo.37968, 37969
    ? 2 Total: 002
    - Second airframe only accepted.

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    H-21 http://www.uswarplanes.net/h21.html

    - 1 (85390), additional airframe


    cancelled.

    HRP-1 Rescuer
    As XHRP-1, fabric fuselage skin.
    3 to USCG.
    Produced
    Piasecki Morton, Pennsylvania (P)

    BuNo.111809 / 111828 1 / 20
    BuNo.111834 / 111848 21 / 35 35 Total: 035

    HRP-2 Rescuer
    As HRP-1, redesigned metal fuselage.
    All 5 to USCG.
    Produced
    Piasecki Morton, Pennsylvania (P)

    BuNo.111829 / 111833 1/5 5 Total: 005

    YH-21 Workhorse
    As HRP-2, service test version for
    USAF evaluation.
    Produced
    Piasecki Morton, Pennsylvania (PH)

    50-1231 / 50-1248 ? 18 Total: 018

    H-21A Workhorse
    As YH-21, engine upgrade, minor changes.
    Redesignated as CH-21A in 1962.
    Produced
    Piasecki Morton, Pennsylvania (PH)

    51-15238 / 51-15269 ?
    52-8487 / 52-8492
    ? 38 Total: 038
    - 6 to RCAF as CH-125.

    H-21B Workhorse
    As H-21A, engine upgrade, various
    improvements, external fuel tanks.
    Redesignated as CH-21B in 1962.
    Produced
    Piasecki / Vertol Morton, Pennsylvania (PH / VL)

    51-15854 / 51-15880 B-1 / B-27


    52-8665 / 52-8679 B-28 / B-42
    52-8681 / 52-8709 B-43 / B-71
    53-4322 / 53-4402 B-72 / B-152
    54-4000 / 54-4008
    B-153 / B-161
    - 9 to France.
    55-5127 / 55-5131
    B-162 / B-166
    - 5 to France.
    57-2610, 57-2611 B-167, B-168 168 Total: 168

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    H-21 http://www.uswarplanes.net/h21.html

    H-21C Shawnee
    As H-21B, version for US Army,
    ventral sling hook, minor changes.
    Redesignated as CH-21C in 1962.
    Produced 1953 - 1959
    Piasecki / Vertol Morton, Pennsylvania (PH / VL)

    51-15881 / 51-15913 C-1 / C-33


    52-8613 / 52-8664 C-34 / C-85
    52-8680 ?
    55-4132 / 55-4221 C-86 / C-175
    56-2015 / 56-2160 C-177 / C-322
    56-4343 / 56-4354 C-323 / C-334 334 Total: 334

    Civil Helicopters

    Model 44A
    As H-21B, civil 19-seat version, engine upgrade.
    7 to RCAF, USAF s/n: 59-2331 / 59-2336, 59-5927,
    as CH-127.
    Produced
    Piasecki Morton, Pennsylvania

    civil reg. ? ? Total: ?

    Model 44B
    As 44A, 15-seat passenger / cargo version.
    2 to Sweden designated as HKP-1.
    Produced
    Piasecki Morton, Pennsylvania

    civil reg. ? ? Total: ?

    Model 44C
    As 44A, executive 8-seat version.
    9 to Sweden designated as HKP-1.
    Produced
    Piasecki Morton, Pennsylvania

    civil reg. ? ? Total: ?

    Grand Total: 600

    Foreign built - West Germany:


    H-21C
    West German built version.
    Produced 1957 - 1959
    Weser Flugzeugbau, West Germany

    (W. Germany) 83+01 / 83+32 WG.1 / WG.32 32 Grand Total: 0032

    H-21 CONVERSIONS

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    H-21 http://www.uswarplanes.net/h21.html

    USAF

    SH-21B 1+ H-21B, search and rescue conversions, equipment changes.


    (HH-21B) 1+ 1962, redesignation of the SH-21B.

    US Army

    Model 71
    XH-21D 2
    H-21C, 1957, prototypes with twin-turbine engine upgrade.

    FOREIGN MILITARY SERVICE


    - The H-21 served with the military forces of Canada, France, Japan, Sweden
    and West Germany.

    Home - US Warplanes

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