Vertiflite (ISSN 0042-4455) is published bi-monthly by the American Helicopter Society International, 2701 Prosperity Ave., Suite 210, Fairfax, VA 22031 USA. Non-profit postage rate paid at Annapolis, MD and additional mailing offices. Vertiflite is distributed to the AHS membership and is also available by subscription. Rates: $135 per year for non-members in the US, $165 per year for foreign non-members (including Canada and Mexico). Single copies, US $40 and for foreign $50. All rights are reserved and reproduction without the consent of the AHS is prohibited.
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