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    This page documents a history of a specific aircraft. The details provided vary from aircraft to aircraft and are dependent on the research and amount of data uploaded to the Aerial Visuals database.

    Airframe Family: Sikorsky R-4 Hoverfly / R-6 / HNS / HOS
    Latest Model:HNS-1 Hoverfly
    Last Military Serial:39047 USCG
    Construction Number:104
    Last Civil Registration:N75988
    Latest Owner or Location:National Naval Aviation Museum, NAS Pensacola, Pensacola, Florida

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    Dates

    Event

    Constructed as a R-4B.

    1944

    Taken on Strength/Charge with the United States Army Air Force with s/n 43-46560.

    By July 1945

    Transferred to 3706th Base Unit, Sheppard Field, TX.

    By July 1946

    Taken on Strength/Charge with the United States Coast Guard with s/n 39047 as a HNS-1.

    Markings Applied: Arctic Annie, 047.

    September 1946

    First helicopter to land Thule, Greenland.

    To unknown owner with c/r N75988.

    March 1948

    To unknown owner with c/r NL75988.
    Operated as a crop duster.

    March 1948


    Photographer: William T. Larkins
    Notes: at Central Airport in Los Angeles in March 1948. I believe this to be the only R-4 ever modified as a crop duster in the U.S.

    22 February 1982

    To Len-Aire Corp, Hubbard, OR with new c/r N75988.

    1984

    To National Museum of Naval Aviation, Pensacola, FL keeping c/r N75988.

    1984

    To National Naval Aviation Museum, NAS Pensacola, Pensacola, FL.
    View the Location Dossier

    19 August 1999

    Civil registration, N75988, cancelled.

    11 September 2003


    Photographer: Glenn Chatfield
    Notes: Hanging in the original museum building, prior to move to new building.

    27 March 2011


    Photographer: Terry Fletcher
    Notes: National Naval Aviation Museum, Pensacola NAS, Pensacola, Florida, United States

    8 October 2012


    Photographer: Glenn Chatfield

    14 April 2015

    This dossier is waiting for review by an editor.This airframe dossier is based on
    unreviewed imported data.
    If you can verify the documented history or add to it with additional text and/or photos please feel free to do so by using the upload tool and the history editor.
    Credits
     Data for airframe dossiers come from various sources. The following were used to compile this dossier...
    Print Sources
     U.S. Military Out of Service 2010 by Andy Marden
    Internet Sources
     Aerial Visuals - The Locator by Mike Henniger, Senior Editor
    AMCAR
    Aviation Archaeology
    Coast Guard Aviation History
    Federal Aviation Administration in the United States of America
    Rotor Spot
    United States Military Services Serial Number Lists by Joe Baugher
    Individual Contributors
     Glenn Chatfield
    Mike Henniger
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