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Vertical Flight Library & Store



The Vertical Flight Society presents the Paper of the Month!

The August Paper of the Month is now available – free for members: "Scenario-Based Helicopter Flight Simulation of Accident-Prone Vortex Ring State (VRS) Encounters," by Eleni Sotiropoulos-Georgiopoulos, Alexia Payan and Dimitri Mavris of the Georgia Institute of Technology, and Charles (Cliff) Johnson of the US Federal Aviation Administration.

The paper, winner of the 2024 Alfred Gessow Best Paper Award, was selected as the best overall technical paper, out of 274 submitted, at Forum 80 in May 2024.

Download it to see why!

Are you a VFS member? Log in to receive this month's paper absolutely free! Not a member? Check out the benefits of membership and consider joining today!

Welcome to the Vertical Flight Library & Online Store!
Current product count in the Library: 16708 items, with 16350 technical papers! We are constantly adding new items to the store, so check back often.

The Vertical Flight Library includes downloadable papers from nearly all Forum Proceedings from 1943 to today, as well as papers from more than 100 Technical Meetings and 70+ years of Vertiflite magazine! Note: the Journal of the AHS is hosted separately — please go to www.vtol.org/journal.

The VFS Online Store includes Forum and Technical Meeting proceedings CD-ROMs, books and Vertical Flight Society merchandise that require shipping.

Choose a department or use the search box above to find specific terms. You can also search our index of all available Forum papers.

Note: if you are a Vertical Flight Society member and are not seeing the Member Price, please log in first. If you are not a member, why not join us? You'll receive special Members Only pricing and much more.

Want unlimited downloads? Check out our site licenses! If you are from an educational institution or organization that already has a site license with the Vertical Flight Library (previously called the "VFS Online Store"), please visit your organization's start page before adding items to your shopping cart.
The Vertical Flight Society is the global resource for information on vertical flight technology.

NEW: Check out the latest addition to the Vertical Flight Library!

Vertiflite, September/October 2024,


  • Commentary: Strengthening Our Army Partnership
  • Washington Report
  • Coming to Terms: Digital Trail
  • Rotorcraft News
  •  MH-60R: Romeo Refreshed
  • 50 Years of the Black Hawk
  • Leonardo Showcases AW249
  • FLRAA Soars Through Milestone B
  • VFS Supports MOSA
  • Elroy Air Tackles Cargo Delivery
  • Advancing Autonomy for Cargo
  • Rotor Launches Autonomous R44s
  • Columbia and Piasecki Begin Production of Model 107-III Helicopters
  • Leonardo’s NGCTR Powers Up
  • Farnborough Airshow 2024: Smarter Aviation
  • Highlights from AirVenture 2024
  • 18th Annual Electric Symposium Was a Great Success
  • Unither Bioelectronics and Robinson Helicopter Partner on Hydrogen
  • China’s Low-Altitude Economy and eVTOL Diplomacy
  • ERC Emerges from Stealth
  • eVTOL Insights Recognizes Nine AAM CTOs
  • eVTOL Leaders Deliver
  • Electric VTOL News
  • Electric CTOL/STOL News
  • Leadership Profile: Prof. Edward Smith
  • Educational Initiatives
  • Leadership Moves


List price: $30.00

(Added to the VFS Library on Aug 27, 2024).

Are you a VFS member? Log in to receive the member price of $0.00 on this item! Not a member? Check out the benefits of membership and consider joining today!

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