- Helicopters Before Helicopters by E. K. Liberatore, 1998-09-01
- Helicopteros militares/Military Helicopters (Pebble Plus Bilingual) by Doeden, Matt, 2006-01-01
- The Foundations of Helicopter Flight by Simon Newman, 1994-05
- Helicopter Pilot's Manual: Principles of Flight and Helicopter Handling by Norman Bailey, 2008-05-15
- Helicopter Pilot's Manual: Mountain Flying and Advanced Techniques Volume 3 (Helicopter Pilots Manual Vol 3) by Norman Bailey, 2010-02-01
- Instrument Rating Practical Test Standards for Airplane, Helicopter and Powered Lift by Federal Aviation Administration, Department of Transportation, 2010-10-23
- Helicopters at Work by Karin Ireland, 1984-01
- Helicopter Pilot's Manual Vol 2: Powerplants, Instruments and Hydraulics by Norman Bailey, 2008-10-15
- New horizons for Era's helicopters. (Era Aviation Inc. Era Helicopters) (Access the World): An article from: Alaska Business Monthly by Allen Baker, 1994-11-01
- Helicopters: The Long Journey: An entry from Gale's <i>Science and Its Times</i> by Kyla Maslaniec, 2000
- Clear blue and in the goo.(helicopters' encounter with a swarm of airborne bugs)(Essay): An article from: Approach by Rusty Sloane, 2009-09-01
- Kauai's unfriendly skies. (helicopter rides): An article from: Hawaii Business by Lucy Jokiel, 1987-07-01
- The entire plan.(helicopter piloting; simulated submarine rescue)(Essay): An article from: Approach by Mike Pangrac, 2009-07-01
- The distraction.(helicopter piloting)(Essay): An article from: Approach by Tod Schroeder, 2009-07-01
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