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A helicopter is an aircraft which is lifted and propelled by one or more horizontal rotors. Helicopters are classified as rotary-wing aircraft to distinguish them from conventional fixed-wing aircraft. The word helicopter is derived from the Greek words helix (spiral) and pteron (wing). The first single-rotor, fully-controllable helicopter to enter large full-scale production was made by Igor Sikorsky in 1942.
Compared to conventional fixed-wing aircraft, helicopters are much more complex, more expensive to buy and operate, and are more limited in speed, range, and payload. The compensating advantage is maneuverability: helicopters can hover in place, reverse, and above all take off and land vertically. Subject only to refueling facilities and load/altitude limitations, a helicopter can travel to any location, and land anywhere with enough space (approximately twice the area of the rotor disk).
Compared to other vertical lift aircraft like tiltrotors (V-22 Osprey for example) and vectored thrust airplanes (AV-8 Harrier for example), helicopters are very efficient, carrying more than twice the payload, consuming less fuel in hover and costing considerably less to buy and operate. However these other configurations have a much higher cruise speed than a helicopter (270 km/h for a helicopter, 460 km/h for a tiltrotor, 900+ km/h for a vectored thrust airplane).
More on [ Helicopter ]
Md. helicopters grounded, investigation continues - WTOP
Tue, 30 Sep 2008 21:17:45 -0000
Canoe.caMd. helicopters grounded, investigation continuesWTOP, DC - 15 hours agoWASHINGTON - Maryland State Police medevac operations remain grounded as they continue to investigate a fatal weekend helicopter crash, authorities say. ...Medevac helicopters under scrutiny USA TodayCrash grounds Maryland police helicopters United Press InternationalCrashed medevac unit wasn't outfitted with advanced electronic ... Baltimore SunThe Associated Press - findingDulcineaall 1,324 news articles
US-Pakistani skirmish points to threat of wider war - Bay Area Indymedia
Tue, 30 Sep 2008 14:19:24 -0000
Aljazeera.netUS-Pakistani skirmish points to threat of wider warBay Area Indymedia, CA - 22 hours agoInter Service Public Relations (ISPR), the Pakistan militarys media relations section, reported that two US helicopters from the Afghanistan side crossed ...Pakistan troops fire on U.S. helicopters NewsdayPakistani troops fire on US helicopters at border The Associated PressPakistan military fires on NATO helicopters Radio AustraliaVoice of America - Hinduall 1,934 news articles
Sikorsky, Carson to update S-61 helicopters - CNNMoney.com
Tue, 30 Sep 2008 17:37:38 -0000
Sikorsky, Carson to update S-61 helicoptersCNNMoney.com - 19 hours agoNEW YORK (Associated Press) - One of the most durable work horses in helicopter fleets is getting a makeover. Sikorsky Aircraft Corp., a subsidiary of ...Sikorsky Aircraft Teams With Carson Helicopters to Launch ... MarketWatchall 13 news articles
UH-1 'Huey' helicopter makes its last fly - Columbus Ledger-Enquirer
Wed, 01 Oct 2008 08:17:44 -0000
UH-1 'Huey' helicopter makes its last flyColumbus Ledger-Enquirer, GA - 4 hours agoAP -- Chief Warrant Officer 4 James Brennan, who first flew the helicopter, will pilot the vintage chopper again for its final flight to Temple, Texas. ...
USS Intrepid to return to its Manhattan pier - Newsday
Wed, 01 Oct 2008 07:04:31 -0000
USS Intrepid to return to its Manhattan pierNewsday, NY - 5 hours agoOne of them will be Marino DiLeo, 72, of Bay Shore, who flew helicopters carrying Marines off the ship in the Mediterranean for several months in 1956. ...
Ambassador: Russia looking to boost Bolivia ties - The Associated Press
Tue, 30 Sep 2008 21:11:37 -0000
Ambassador: Russia looking to boost Bolivia tiesThe Associated Press - 15 hours agoLA PAZ, Bolivia (AP) — The Russian ambassador to Bolivia hopes the Andean nation's plan to purchase five civil defense helicopters is only a "first step" in ...Axis of Doom FrontPage magazine.comAmbassador: Russia looking to boost Bolivia ties The Associated Pressall 109 news articles
Advanced Rotorcraft Technology, Inc. - Engineering firm that specializes in the computer modeling, analysis, and simulation of helicopters.
Meta Description: [ Advanced Rotorcraft Technology, Inc. (ART) develops COTS Software used to develop rotorcraft and fixed wing flight dynamics models used in real time simulation applications. ]
Agusta - Producing a complete range of civil and military models.
Meta Description: [ Agusta S.p.A., an AgustaWestland company, is known around the world both for the complete range of products and services it offers and for its technological know-how strengthened by a tradition that goes back to the origins of aviation. This result has been made possible by Agusta's command of a... ]
AgustaWestland - The Joint Venture of Finmeccanica SpA and GKN plc shares Agusta and Westland's products and resources like the medium-lift EH101 helicopter programme.
American Eurocopter - The US arm of Eurocopter, the European civil and military helicopter manufacturer.
Bell Helicopter - Manufacturing a wide range of civil and military helicopters as well as civil and military tiltrotor craft.
Meta Description: [ Welcome to Bell Helicopter...We design, build, and support the most proven, most reliable, and best performing aircraft in the world. We are redefining flight with our... ]
Bell/Agusta Aerospace Company - Manufacturer of the AB139 medium sized helicopter, and the BA609 Tiltrotor.
Meta Description: [ Fly the VTOL Future. Fly the Bell/Agusta BA609 Tiltrotor. Flies like a turboprop, lands like a helicopter - Flexible. Capable. Unique. ]
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Brantly - Manufacturers of the B-2B Flying Snowcone
CarterCopter - Developing a new high technology gyroplane expected to cruise at 400mph at 50,000 feet using the rotor for vertical takeoff and landing and a wing for high speed cruise.
D Design Services Ltd - Design and manufacture airborne LCD and CRT monitors for helicopter and fixed wing aircraft.
Meta Description: [ RDDS.CO.UK - R&D Design Services Ltd ]
Enstrom Helicopter Corp. - A privately owned company designing and producing light piston and turbine powered helicopters.
Meta Description: [ A privately owned company designing and producing light piston and turbine powered helicopters. ]
Eurocopter - Designing and manufacturing a wide range of civiland military helicopters.
Meta Description: [ Helicopters: Eurocopter leader in civil or military helicopters transport, proposes a wide range of helicopters and is the first fully-integrated aircraft company in Europe. ]
GKN Aerospace - Helicopter designer, manufacturer, and systems integrator and a pre-eminent first-tier supplier to the world's aircraft and aero engine primes.
Groen Brothers Aviation - Manufacturers of the Hawk 4 Gyroplane.
Helinets - Development and manufacture of helicopter slinging, positioning and restraining products, including cargo nets and barrel slings.
Helipod International - Manufacturers of cargo pods for Robinson and other helicopters. Based in New Zealand.
Kaman Aerospace Corporation - Manufacturer of the SH-2G Super Seasprite maritime helicopter. Offers company overview and history, news releases, employment opportunitites, facilities locations and photo gallery.
Kulikov Aircraft Company - Business and general aviation aircraft capable of vertical take-off and landing.
Laflamme Helicopters Inc. - The canadian company is developing the first sport-utility tandem helicopter [Site available in english or french].
Meta Description: [ Laflamme Helicopters is developping the world's first sport-utility helicopter. ]
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Masquito Aircraft - Manufacturer of the M80 2-seat very light helicopter.
Paravion Helicopter - Manufacturer of helicopter accessories.
PZL Swidnik - Manufacturers of the W-3A Sokol heavy civil and SW-4 light civil helicopters. Choose between Polish and English.
Robinson Helicopter Company - Maker of the R22 and R44 helicopters.
Meta Description: [ Robinson is the World Leader in helicopter sales offering the reliable and affordable R22 and R44 helicopters. Whether used for personal, corporate, police, or news applications, Robinson Helicopter is the smart choice. ]
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Schweizer Aircraft Corporation - Producing a range of piston and turbine powered helicopters.
SEI Industries International Inc. - International distribution outlet for the Bambi aerial firefighting bucket, Canam remote hook systems, and the Heli-Basket emergency helicopter lift basket. Find out about products, read the company profile, or get contact information.
Meta Description: [ SEI Industries is leading manufacturer of industrial-strength fabric and pumping products for the aviation, fire suppression, environmental management, and remote site logistics industries. ]
Sikorsky Aircraft Corp. - Designers and builders of the world's most advanced helicopters for commercial, industrial, and military use.
Specific Equipment - Manufacturer of reverse osmosis watermakers, helicopter refueling systems, and pump packages. Along with units on oil rigs, island resorts in refineries, and municipalities.
Meta Description: [ Manufacturer of reverse osmosis
watermakers, helicopter refueling systems, and pump packages.
We have units on oil rigs, island resorts in refineries,
municipalities, and more. ]
Touchdown Enterprises Ltd - Manufactures portable helicopter landing platforms that are adaptable to varying terrain for skid mounted helicopters up to 12,000 lbs.
Meta Description: [ Portable helipads, we manufacture helicopter landing/drilling platforms, strong, light weight and adjustable, adaptable to varying terrain for skid mounted helicopters up to 12,000 lbs. ]
Ultrasport - Manufacturers of the Ultrasport family of helicopters.
Westland Helicopters Ltd - The manufacturer of the civil and military models EH101, Lynx and Apache with its production, services, news, press releases, company history and the principles of rotary flight.
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