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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 S-55 / H-19 / HRS / HO4S / Whirlwind
    Latest Model:H-19D Chickasaw
    Last Military Serial:57-1634 US
    Construction Number:55-1196
    Last Civil Registration:N46890
    Compressed ID:Sikorsky H-19D sn 57-1634 US cn 55-...
    Latest Owner or Location:The University of Montana - Helena College of Technology, Helena Regional Airport, Helena, Montana

    EDIT THE HISTORY HERE    		 If you can add to the history or would like to submit a correction please use the editor to do so.

    UPLOAD A PHOTO    		 If you have a photo of this airframe to share then use the photo upload tool.
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    Dates

    Event

    Constructed as a H-19D.

    9 July 1958

    Taken on Strength/Charge with the United States Army with s/n 57-1634.

    17 August 1970

    To Chicago Civil Defense Corp, Chicago, IL with new c/r N46890.

    2 May 1977

    Civil registration, N46890, cancelled.

    To The University of Montana-Helena College of Technology, Helena Regional Airport, Helena, MT.
    UMOOS2010: went to a private owner in Simms MT and was for sale on Ebay with 2 others in Feb08.
    View the Location Dossier

    7 January 2012


    Photographer: Nate Wilburn
    Notes: Taken east of Chinook, Montana in a farmers field on the US Route 2. She was sitting there with the hulk of another unidentified S-55/H-19.

    14 March 2021


    Photographer: Nate Wilburn
    Notes: Taken in Cascade, Montana. She is sitting in a scrapped car junkyard with the remains of two other unidentified S-55/H-19s.
    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
     Federal Aviation Administration in the United States of America
    United States Military Services Serial Number Lists by Joe Baugher
    Individual Contributors
     Glenn Chatfield
    Mike Henniger
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