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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;
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 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.
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 radar began to be investigated in 1984. The radar complex is made up of a command post module and one to three different radars which are deployed on separate 8x8 24-ton trucks. The manufacturer claims this radar system can detect 5th generation aircraft like the F-22 and F-35 [3] and detect long-range ballistic missile launches. Nebo-ME is ...
A small scale high speed wind tunnel model called FTT (Fliegender Technologie – Träger, English Flying Technology Platform) and an uncrewed version FTTU. The aircraft was to have combined the faceted stealth technology of the Lampyridae with newly developed radar absorbent materials, but also fly-by-wire and thrust vectoring from the X-31.
Removable Luneburg lens type radar reflectors are sometimes attached to military aircraft in order to make stealth aircraft visible during training operations, or to conceal their true radar signature. Unlike other types of radar reflectors, their shape doesn't affect the handling of the aircraft. [9] [10]