Free Paper of the Month

Bell 206B acoustics test aircraftThe Paper of the Month for May 2013 is now available! Are you an AHS member? Log in to receive this month's paper absolutely free! Not a member? Check out the benefits of membership and consider joining today!

This month's free paper is: "A Semi-Empirical Noise Modeling Method for Helicopter Maneuvering Flight Operations," by Eric Greenwood, NASA Langley Research Center; Fredric Schmitz and Richard Sickenberger, University of Maryland. This paper was selected as the Acoustics Best Paper for Forum 68 (2012). Download it to see why! (Interested in helicopter noise? Check out our new initiative at www.vtol.org/noise!)

The Paper of the Month is available free for AHS Members in the AHS Online Store; $30 for non-members. The first page of the paper is available to the public.

The AHS Online Store includes nearly all Forum Proceedings from 1943 to today, as well as many Specialists' Meetings – now with more than 6,600 papers available for immediate download, plus 56 proceedings CD-ROMs, 22 books and 780 Vertiflite magazine pdfs. 

We now have available nearly every paper published at an AHS Forum over the past 68 years! Browse by year or search our index of all available Forum papers. Members can purchase individual papers for only $15 each (new lower price!); $30 for non-members. The first page of each paper is available to the public.

The complete run of all Vertiflite magazines is available -- nearly 800 issues! Browse by year or search our comprehensive index. All issues are available for download free for AHS Members!

We are now adding proceedings from AHS Specialists' Meetings, with nearly 1,000 papers now available, and more being added every month. Check it out!

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