Technology

Piedmont Airlines Piedmont Airlines- Official site of the Piedmont Aviation Historical Society, which preserves the memory of Piedmont Airlines, predecessor of USAir. Features include fleet and rou… National Airlines Sundowners National Airlines Sundowners- Organization of former stewardesses and flight attendants of National Airlines. Airline's history from 1934 through 1980. Ozark Air Lines Ozark Air Lines- Includes the history of Ozark Air Lines, a locator of former employees, pictures of Ozark aircraft and guest books for feedback from customers remembering the pas… AirTimes AirTimes- A virtual museum of the airline industry. Mackey Airlines Mackey Airlines- Some information on Mackey Airlines, plus a contacts area for employees of the airline. BKS Air Transport Ltd BKS Air Transport Ltd- A detailed history of the Airline from 1952 to 1970 including fleet details, route maps and some personal memories. History of PIA - Pakistan International Airlines History of PIA - Pakistan International Airlines- History of Pakistan's national airline. Photos of old aircraft, liveries of the past, major accidents, fleet list and aviation li… AeroTransport Data Bank AeroTransport Data Bank- Profile, Fleet-list and Asset Management of all Operators of Transport Aircraft since 1930 Unofficial JFK Airport 50th Anniversary Page Unofficial JFK Airport 50th Anniversary Page- A gallery of historic photos of Idlewild/JFK Airport from Port Authority files. Rosebud's Early Aeroplanes and Airships Rosebud's Early Aeroplanes and Airships- Archive of vintage photographs of flying machines flown before and during the first two decades of the 20th century. The Fokker D.VII File The Fokker D.VII File- Everything you always wanted to know about the Fokker D.VII Flying Clippers Flying Clippers- Pictures and narrative about the flying boats that made transpacific aviation possible. Vertiflite Vertiflite- The official publication of the American Helicopter Society. Helicopter Aerodynamics Helicopter Aerodynamics- The College Park Press offers the classic "Aerodynamics of the Helicopter" by Alfred Gessow and Gary C. Myers Jr. AHS Documents Catalog AHS Documents Catalog- The American Helicopter Society's online searchable database of technical publications. Popular Rotorcraft Association (PRA) Popular Rotorcraft Association (PRA)- The PRA is an organization of rotorcraft enthusiasts, engineers, designers, builders, fliers, and local chapters. Vietnam Helicopter Pilots Association (VHPA) Vietnam Helicopter Pilots Association (VHPA)- The VHPA is a non-profit war veterans organization. It is dedicated to the helicopter pilots who servered in the Vietnam War. Helicopter Association International (HAI) Helicopter Association International (HAI)- Since 1948, HAI has been dedicated to promoting the helicopter as a safe and efficient method of transportation, and to the advancement… Army Aviation Heritage Foundation (AAHF) Army Aviation Heritage Foundation (AAHF)- Dedicated to presenting the Army Aviation story to the American people through transportable flying presentations and static displays of … AHS International - The Vertical Flight Society AHS International - The Vertical Flight Society- The professional society for the advancement of vertical flight technology and its useful application throughout the world. Igor I. Sikorsky Historical Archives, Inc. Igor I. Sikorsky Historical Archives, Inc.- Dedicated to acquiring, preserving and protecting the historical materials that chronicle the aviation careers of Igor Sikorsky, the co… Helicopter History Site Helicopter History Site- This site traces the evolution of rotary wing aircraft back to Leonardo Da Vinci. Cyberhome of Indian Air Traffic Controllers Cyberhome of Indian Air Traffic Controllers- Official web site of the Air Traffic Controllers' Guild (India)- the association of Indian Controllers. An attempt to present the avia… EuroControl Guild of Air Traffic Services EuroControl Guild of Air Traffic Services- Promotes the safety, efficiency and regularity of international air navigationand to protect and safeguard the individual and general in… Professional Women Controllers Professional Women Controllers- An association of both men and women professional air traffic controllers. The Canadian Air Traffic Control Association The Canadian Air Traffic Control Association- To promote the status, working conditions, compensation and security of the membership and to promote aviation safety. IFATCA (International Federation of Air Traffic Controllers) IFATCA (International Federation of Air Traffic Controllers)- The non-political and non-industrial world professional organization representing approximately 40,000 air traffic co… The National Air Traffic Controllers Association The National Air Traffic Controllers Association- NATCA members are U.S. controllers in public and private sectors and Federal Aviation Administration engineers. SRA Developments SRA Developments- Developer and manufacturer of ultrasonic products for medical applications. Sonotron Medical Systems Inc. Sonotron Medical Systems Inc.- Offers an electronic therapeutic device that reduces pain and edema while increasing range of movement in joints. EZUltrasound EZUltrasound- Provider of portable home ultrasound machines to speed healing and relieve pain. Keitzer Manufacturing USA Keitzer Manufacturing USA- Sells US transmitters for physical therapy Ultrasound Treatment for Hurt Muscles Doesn't Promote Healing Ultrasound Treatment for Hurt Muscles Doesn't Promote Healing- Review of a study on ultrasound muscle healing performed at Ohio State University. Rich-Mar Corporation Rich-Mar Corporation- A web site designed for physical therapists, Rich-Mar provides a complete product line of ultrasound and stimulation equipment. Physiomed Elektromedizin GmbH Physiomed Elektromedizin GmbH- Manufacturer of therapeutic ultrasound devices. (Germany) Chattanooga Group Chattanooga Group- Major manufacturer of rehabilitative electrotherapy and ultrasound devices and ultrasound devices. The Doily Project The Doily Project- Bioacoustics Research Lab at the University of Illinois at Urbana-Champaign. Subsurface Imaging Subsurface Imaging- Bioacoustics Research Lab at the University of Illinois at Urbana-Champaign. Fundamental Acoustic Parameter Measurements Fundamental Acoustic Parameter Measurements- Bioacoustics Research Lab at the University of Illinois at Urbana-Champaign. NDT Methods for Flaw Detection during Welding NDT Methods for Flaw Detection during Welding- BRITE-EURAM II Project 5907 Computational Ultrasonics Computational Ultrasonics- Bioacoustics Research Lab at the University of Illinois at Urbana-Champaign. Bond Strength Measurement in a Three Layer Sandwich Bond Strength Measurement in a Three Layer Sandwich- Liviu Singher, Department of Quality Assurance and Reliability, Agricultural Engineering, Technion - Israel Institute of Techn… Stroboscopic Visualisation of Ultrasonic Fields on Solids by Sampling Stroboscopic Visualisation of Ultrasonic Fields on Solids by Sampling- ndt.net Ocean Mapping Group Ocean Mapping Group- Ocean mapping Geo-Information Systems (GIS) are a promising tool for the management of high volume bathymetry data, the more extensive data management require… Nonlinear Interaction of Ultrasonic Waves in an Inhomogeneously Predeformed Elastic Material Nonlinear Interaction of Ultrasonic Waves in an Inhomogeneously Predeformed Elastic Material- Paper by Ravasoo Arvi, Institute of Cybernetics at Tallinn Technical University, Esto… High-Frequency Sound Interaction in Ocean Sediments High-Frequency Sound Interaction in Ocean Sediments- Paper by D. R. Jackson and K. L. Williams, Applied Physics Laboratory, University of Washington, Seattle, WA. Polymer Piezoelectric Transducers for ultrasonic NDE Polymer Piezoelectric Transducers for ultrasonic NDE- Yoseph Bar-Cohen, Tianji Xue and Shyh-Shiuh Lih (NDTnet) Ultrasonic testing and image processing for in-progress weld inspection Ultrasonic testing and image processing for in-progress weld inspection- by Shaun Lawson Material Characterisation Probe Material Characterisation Probe- Harri Jeskanen, Pentti Kauppinen, Jorma Pitkänen and Seppo Tähtinen VTT Manufacturing Technology FINLAND (NDT-net) Advances in Ultrasonic transducer Development Advances in Ultrasonic transducer Development- H.H.J. Huynen, F.H. Dijkstra, T. Bouma, Röntgen Technische Dienst bv, Rotterdam, The Netherlands H. Wüstenberg Bundesanstalt für Mat…