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Stealth aircraft are still vulnerable to detection while and immediately after using their weaponry. Since stealth payload (reduced RCS bombs and cruise missiles) is not yet generally available, and ordnance mount points create a significant radar return, stealth aircraft carry all armaments internally. As soon as weapons bay doors are opened ...
Radar cross-section (RCS), denoted σ, also called radar signature, is a measure of how detectable an object is by radar. A larger RCS indicates that an object is more easily detected. [1] An object reflects a limited amount of radar energy back to the source. The factors that influence this include: [1] the material with which the target is made;
The term stealth in reference to reduced radar signature aircraft became popular during the late eighties when the Lockheed Martin F-117 stealth fighter became widely known. The first large scale (and public) use of the F-117 was during the Gulf War in 1991.
It is China’s best effort at a true stealth aircraft where the "signature" of its radar reflection, infrared heat emissions, etc. are suppressed and controlled to make it hard to detect.
F-117 Nighthawk F-117 flying over mountains in Nevada in 2002 General information Type Stealth attack aircraft National origin United States Manufacturer Lockheed Corporation Status Retired from combat, used as training aircraft as of 2025 Primary user United States Air Force Number built 64 (5 YF-117As, 59 F-117As) History Introduction date October 1983 ; 41 years ago (1983-10) First flight ...
The B-2 is assembled with unusually tight engineering tolerances to avoid leaks as they could increase its radar signature. [86] Innovations such as alternate high frequency material (AHFM) and automated material application methods were also incorporated to improve the aircraft's radar-absorbent properties and reduce maintenance requirements.
The first aircraft in Russian military service to emphasize stealth, the Su-57 employs a variety of methods to reduce its radar signature. Similar to other stealth fighters such as the F-22, the aircraft aligns the planform edges to reduce its radar cross-section (RCS); the leading and trailing edges of the wings and control surfaces and the ...
While the exact extent of the 360s stealth properties may not be available for security reasons, the visible external shape and internal weapons bay do seem to exhibit radar signature reducing capabilities. [32] During October 2018, leaked images of a future as-of-yet unnamed Kamov helicopter that possessed stealth features appeared online. [33]