It is desirable that the landing approach of helicopters and V/STOL aircraft into a congested airport equipped with a microwave landing system (MLS) can take place essentially independent of CTOL traffic. The helical approach has been proposed as one way to provide aircraft separation while requiring minimum airspace. A helical descent makes it possible for the helicopter to lose altitude in a confined airspace without descending along an excessively steep glide slope. This avoids helicopter handling problems which occur at slow airspeeds. Preliminary flight-test data are presented regarding the operational feasibility of the helical approach under IFR conditions where the primary guidance information is from an MLS.


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    Title :

    Helical helicopter approaches with microwave landing system guidance


    Contributors:
    Mcgee, L. A. (author) / Foster, J. D. (author) / Dugan, D. C. (author)

    Conference:

    V/STOL Conference ; 1981 ; Palo Alto, CA


    Publication date :

    1981-12-01


    Type of media :

    Conference paper


    Type of material :

    No indication


    Language :

    English




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