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Topic: Stealth aircraft


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In the News (Mon 30 Nov 09)

  
  Stealth aircraft - Biocrawler   (Site not responding. Last check: 2007-10-18)
A stealth aircraft is an aircraft which has been designed to absorb and deflect radar (via stealth technology); these are not completely "invisible" to radar, they are simply harder to detect than conventional technology.
Stealth aircraft were most notably used during the Gulf War (1990); although stealth technology has since become less effective, both the United States and Russia continue to develop stealth aircraft.
The main method stealth aircraft use to avoid detection is by using a body shape that deflects radar signals in a direction roughly perpendicular from the radar signals origin, rather than reflecting the signal back to enemy radar sensors.
www.biocrawler.com /encyclopedia/Stealth_aircraft   (794 words)

  
 Stealth Aircraft - MSN Encarta
Stealth Aircraft, military aircraft, fighters, and bombers designed to elude detection and tracking systems, such as radar and infrared monitoring (see Airplane: Military Airplanes).
Engines placed within the body of the aircraft and exhaust vents may be arranged to mask the heat emitted from engines and help hide an aircraft from heat-seeking infrared sensors.
Although the U.S. government acknowledged the existence of a stealth aircraft program in 1980, America's first two stealth aircraft were not revealed to the press until 1988.
encarta.msn.com /encyclopedia_761588874/Stealth_Aircraft.html   (477 words)

  
 Stealth aircraft - The Black Vault Encyclopedia Project   (Site not responding. Last check: 2007-10-18)
Stealth aircraft were most notably used during the Gulf War (1991); although stealth technology has since become less effective, the United States continues to develop stealth aircraft.
Stealth aircraft such as the F-117 and B-2 bomber are not supersonic, they have no afterburners, and the exhaust nozzles are tuned for low noise rather than peak performance, making them difficult to detect via sound waves.
Passive (multistatic) radars are known to detect stealth aircraft better than receivers connected to the transmitters (active or monostatic radars), since stealth technology reflects energy away from the transmitter's line of sight, effectively increasing the radar cross section (RCS) in other directions, which the passive radars monitor.
www.blackvault.com /wiki/index.php/Stealth_aircraft   (1424 words)

  
 [No title]
As a concept, stealth is nothing new, having been invented by the first caveman to cover himself with leaves so that he could sneak up on a dim-witted antelope.
Thus while a stealth aircraft may be difficult to track when it is flying toward a ground-based radar or another aircraft at the same altitude, a high-altitude airborne radar or a space-based radar may have an easier time tracking it.
While stealth has always returned a small signal, even to monostatic radars, that signal is so small that it is usually filtered out either by the radar scope or by the operator.
www.lycos.com /info/stealth--radars.html   (623 words)

  
 [No title]
After World War II, various aircraft designers and strategists recognized the need to design planes that did not have large radar signatures (a radar signature is how big the airplane appears on radar from a specific angle and distance; it is often referred to as the "radar cross section").
Stealth is by not means a prerequisite for delivery ordnance on target, since as previously discussed, the performance of air defense systems against more conventional attack aircraft still leaves much to be desired.
Nor should stealth be regarded as the final move in the game of electronic countermeasures, given the variety of design and operational constraints imposed by stealth.
www.lycos.com /info/stealth--aircraft.html   (574 words)

  
 .::What is Stealth Technology?::.
Stealth or low observability (as it is scientifically known) is one of the most misunderstood and misinterpreted concepts in military aviation by the common man. Stealth aircraft are considered as invisible aircraft, which dominate the skies.
The IR signatures of stealth aircraft are minute when compared to the signature of a conventional fighter or any other military aircraft.
Another stealth aircraft, which made a lot of promises and in the end ended up in a trashcan, was the A-12.
www.totalairdominance.50megs.com /articles/stealth.htm   (2815 words)

  
 VI - STEALTH AIRCRAFT: EAGLES AMONG SPARROWS?
The great secrecy surrounding stealth programs is designed not simply to protect a particular stealth technology, as it is to protect the choice and mix of techniques that have been used in a specific system.
One expert asserts "if an aircraft deviates from its surroundings by only one degree centigrade, you will be able to detect it at militarily useful ranges."(4) In fact, both the Russian MiG-29 and Su-27 carry IRST devices, which indicates that the Russians have long targeted this as a potential stealth weakness.
Thus, "their" best aircraft is based on technology 11 years more modern than "ours." Secretary of Defense Cheney has recently voiced concern that this may apply to the fielding of stealth technology, and that 11 years after the F-22s IOC, for example, we will be facing a brand new Russian stealth fighter.
www.fas.org /spp/aircraft/part06.htm   (5361 words)

  
 Stealth Aircraft
This aircraft, soon named OXCART (possibly an inside joke because it implied a vehicle that moved very slowly), was intended to fly very fast and very high.
But fortunately, computers also rendered this fact irrelevant, because aircraft designers for several years had been designing planes, like the F-16 fighter, that were kept stable by computers that constantly adjusted their flight controls in the same way that a person riding a bike is constantly making minute corrections to remain balanced.
The most successful stealth aircraft next to the F-117 is the B-2 Spirit bomber, first started in the late 1970s and not finished until the 1990s.
www.centennialofflight.gov /essay/Evolution_of_Technology/Stealth_aircraft/Tech31.htm   (1969 words)

  
 F-117A Nighthawk - Military Aircraft
The stealth fighter emerged from the classified world while stationed at Tonapah Airfield with an announcement by the Pentagon in November 1988 and was first shown publicly at Nellis in April 1990.
Although only 36 stealth fighters were deployed in Desert Storm and accounted for 2.5 percent of the total force of 1,900 fighters and bombers, they flew more than a third of the bombing runs on the first day of the war.
The stealth fighter, which is coated with a secret, radar-absorbent material, operated over Iraq and Kuwait with impunity, and was unscathed by enemy guns.
www.fas.org /man/dod-101/sys/ac/f-117.htm   (2104 words)

  
 Stealth Aircraft - Search Results - MSN Encarta
Stealth Aircraft, military aircraft, fighters, and bombers designed to elude detection and tracking systems, such as radar and infrared monitoring (...
The year saw passenger traffic and aircraft sales generally high.
During the 1990s, aeronautical engineers applied radar-evading stealth technology to the design of certain military helicopters (Stealth Aircraft)....
encarta.msn.com /Stealth_Aircraft.html   (145 words)

  
 MILNET: What Is Stealth?
Stealth aircraft use deceptive shapes to mask their signature.
Looking backward in time to predecessors of stealth technology, the SR-71 and the U-2/TR-1 aircraft featured the radar aborbing paint and composite carbon structures, as well as deceptive fuselage blending (the SR-71 is as mystical looking from the front as the B-2 or F-117).
An aircraft at low to medium altitudes tends to be a fl dot against the background of the sky.
www.milnet.com /stealth.htm   (2755 words)

  
 aviation: Scouting For Surveillance Detection of the B-2 Stealth Bomber And a Brief History on “Stealth”
Stealth technology is the most potent symbol of America's military supremacy in the post-Cold War world.Though other nations have worked on similar technology, so far none have been as successful as the United States.
Stealth relies not only on its ability not to be detected by radar, but also on its ability not to be detected by other means.
Stealth aircraft, however, are vulnerable from a very small subset of possible combinations of angles.
www-tech.mit.edu /V121/N63/Stealth.63f.html   (2144 words)

  
 Stealth Aircraft
At a cost of $2 billion each, stealth bombers are not yet available worldwide, but military forces around the world will soon begin to attempt to mimic some of the key features of stealth planes, making the skies much more dangerous.
The radar cross-section of a stealth Nighthawk is the same as that of a seagull: one-hundredth of a square yard.
Tacit Blue was created to demonstrate that a low observable surveillance aircraft with a low probability of intercept radar and other sensors could operate close to the forward line of battle with a high degree of survivability.
www.seorf.ohiou.edu /~af641   (3223 words)

  
 Stealth Technology - Low Observable Aircraft   (Site not responding. Last check: 2007-10-18)
All the stealthy platforms used needed minimal penetration support from other aircraft and were able to provide stealth to much larger forces by disabling the enemy's air defense capabilities, thereby making all aircraft harder to detect and attack.
Stealth restored a measure of surprise to air warfare.
Stealth also provided the rest of our airpower freedom of action that otherwise might not have been attainable.
www.lowobservable.com   (331 words)

  
 Air Force Technology - F-117A Nighthawk - Stealth Fighter Attack Aircraft
The first aircraft was delivered in 1982 and the last of the 59 Nighthawks procured by the US Air Force was received in 1990.
The mission of the aircraft is to penetrate dense threat environments and attack high-value targets with high accuracy.
The V-shaped tail, which controls the yaw of the aircraft, acts as a flying tail, which means that the whole surface acts as a control surface.
www.airforce-technology.com /projects/f117   (881 words)

  
 Bambooweb: Stealth aircraft
A stealth aircraft is an aircraft which has been designed to absorb and deflect radar (via stealth technology); these are not "invisible" to radar, they are simply harder to detect than conventional technology.
In general the goal is to allow a stealth aircraft to execute its attack while still outside the range of the opposing system's detection.
First-generation planes tend to be composed mostly of flat radar-absorbing surfaces, so as to attenuate the radar signal and reflect radar waves in a direction other than that of the radar transmitter.
www.bambooweb.com /articles/s/t/Stealth_aircraft.html   (322 words)

  
 Secrets of the defense budget. - By Fred Kaplan - Slate Magazine   (Site not responding. Last check: 2007-10-18)
A "stealth" plane is designed with rounded curves and special materials to elude enemy air-defense radars and minimize the risk of getting shot down.
Stealth is nice to have—the 100 or so B-2 bombers and F-117A attack planes already in our inventories did a good job of taking out Iraqi and Serbian air-defense radars in the first night or two of those wars—but we don't need very much of it.
Kaplan says "Stealth is nice to have...but we don't need very much of it." Well, perhaps that's true if your adversary is a country like Iraq that has had its air defenses degraded for 12 years by sanctions and periodic bombings.
slate.msn.com /id/2082320   (1986 words)

  
 Top secret stealth jet revealed - 21 October 2002 - New Scientist   (Site not responding. Last check: 2007-10-18)
But even though the aircraft itself has been revealed to the public, the stealth systems designed to suppress acoustic, infra-red, radar and even visual signatures are likely to be as highly classified as ever.
A key aspect of the project was that the aircraft would be inexpensive to build.
Cook is not surprised that the Bird of Prey was at least initially a manned aircraft, as this helps gather performance data.
www.newscientist.com /article.ns?id=dn2946   (628 words)

  
 Air Power:Stealth Aircraft
The experience in Vietnam had earlier also prompted Defense Department leaders to seek new aircraft that were not so susceptible to attack from surface-to-air missiles.
Five F-117 development aircraft were built and tested between 1981 and 1982.
Other stealth aircraft were designed and built during the 1980s.
www.centennialofflight.gov /essay/Air_Power/Stealth/AP46.htm   (1922 words)

  
 Stealth - Black Aircraft   (Site not responding. Last check: 2007-10-18)
In October 2002, Boeing unveiled the once-secret stealth aircraft called "Bird of Prey" that was used to test radar evading technologies and designs.
The F prefix is widely used for bogus designations of secret aircraft, and is not meant to designate the Sentinel as a "Fighter".
The aircraft was apparently developed from a Northrop technology demonstrator known as THAP (Tactical High Altitude Penetrator), which first flew in 1981 and was similar in design, but slightly smaller.
www.lowobservable.com /Black.htm   (1849 words)

  
 [No title]
Jan Zizka RE:Declassified Stealth Aircraft 7/17/2004 11:48:58 AM This is from an upcoming TV show with Jessica Biel.
DreadPirate RE:Declassified Stealth Aircraft 7/21/2004 5:24:37 PM It looks pretty cool, but what gave it away for me was that gaps around the front of the canopy.
PlatypusMaximus RE:Declassified Stealth Aircraft 9/9/2004 12:30:03 AM looks to me like the guy standing underneath the stealth jet is smaller than the guys who are in the background.
www.strategypage.com /militaryforums/480-170.aspx   (268 words)

  
 Yorkshire CND - Boeing unveils once-secret stealth aircraft - 22/10/02
The sleek, beak-nosed aircraft was unveiled Friday at a ceremony at St. Louis, Missouri after officials decided to declassify the program, the company said.
The aircraft -- which is about 47 feet (15 meters) long and has a wingspan of about 23 feet (seven meters) -- first flew in the fall of 1996.
The aircraft has a maximum operating altitude of 20,000 feet and flies at subsonic speeds of 260 knots.
www.cndyorks.gn.apc.org /yspace/articles/boeingbird.htm   (1315 words)

  
 Russia Develops Stealth Aircraft Using Plasma Screen Technology - NEWS - MOSNEWS.COM   (Site not responding. Last check: 2007-10-18)
Koroteyev said that the new technology employs a different physical principle than the one currently used by existing U.S. stealth aircraft — the F-117 and B-2.
Koroteyev added that the new technology can be used on any aircraft, including older models and that it is radically cheaper than the technology employed by U.S. stealth planes while being just as effective, if not more so.
He said that the aircraft equipped with the Russian system will also be far superior to U.S. models in their flight and combat capabilities — as the use of the plasma screen makes it unnecessary to alter the shape of the aircraft.
www.mosnews.com /news/2005/10/19/stealth.shtml   (829 words)

  
 F19 Stealth Aircraft - - Military Aviation | Defence Talk Forum
However, there is no real F-19 and speculation on the type of aircraft behind that designation arose when the designation was skipped by the USAF in its fighter sequence.
Sabre the MOVIE Stealth actually never mensions F19 as far as i can remember, and the Stealth aircraft in the movie is based, by the looks of it on a aircaft/concept by northrop called switchblade (http://www.area51zone.com/aircraft/switchblade.shtml)
After years of speculation detailes were released of the F117 which is similar in size but a strike aircraft - the speculation was for a fighter as i remember, and the curvy one as i said not the angular F117.
www.defencetalk.com /forums/showthread.php?t=4067   (1110 words)

  
 stealth aircraft information
B-2 Spirit stealth bomber A stealth aircraft is an aircraft which has been designed to absorb and deflect radar (via stealth technology); these are not...
Stealth Aircraft One application of control systems is in aircraft.
had become available to aircraft designers that would allow them to design an aircraft with radar-evading or "stealth" qualities.
www.airline-101.com /articles/stealth-aircraft.html   (161 words)

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