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Radar beacon (short: racon) is – according to article 1.103 of the International Telecommunication Union's (ITU) ITU Radio Regulations (RR) [1] – defined as "A transmitter-receiver associated with a fixed navigational mark which, when triggered by a radar, automatically returns a distinctive signal which can appear on the display of the ...
In a mode 3 reply, the information is the same as a mode A reply in that there are 4 digits transmitted between 0 and 7. The term mode 3 is utilized by the military, whereas mode A is the civilian term. The X bit is currently only used for test targets. This bit was originally transmitted by BOMARC missiles that were used as air-launched test ...
Secondary surveillance radar (SSR) is a radar system used in air traffic control (ATC), that unlike primary radar systems that measure the bearing and distance of targets using the detected reflections of radio signals, relies on targets equipped with a radar transponder, that reply to each interrogation signal by transmitting encoded data such ...
VHF Data Link. The VHF Data Link or VHF Digital Link ( VDL) is a means of sending information between aircraft and ground stations (and in the case of VDL Mode 4, other aircraft). Aeronautical VHF data links use the band 117.975–137 MHz assigned by the International Telecommunication Union to Aeronautical mobile (R) service.
A sensitive compartmented information facility ( SCIF / skɪf / ), in United States military, national security/national defense and intelligence parlance, is an enclosed area within a building that is used to process sensitive compartmented information (SCI) types of classified information . SCIFs can be either permanent or temporary and can ...
Aircraft The aircraft involved when still in service with Condor (1976). HL7442 at Honolulu International Airport in September 1981, 2 years before the crash The aircraft flying as Korean Air Lines Flight 007 was a Boeing 747-230B jet airliner with Boeing serial number 20559. The aircraft first flew on January 28, 1972 and was delivered on March 17, 1972, to West German airline Condor with the ...
Air navigation service provider: ANSP 2: Authorization of Aircraft Network Security Program ANT Antenna (radio) ANSOG Airport Network Security Operator Guidance A/O Air oil In turbine engines AOA Angle of attack: AOC 1: Air operator's certificate: AOC 2: Aeronautical operational control: AOG Aircraft on ground: AOM 1: Aircraft operations manual ...
Track-while-scan ( TWS) is a mode of radar operation in which the radar allocates part of its power to tracking a target or targets (up to forty with modern radar) while part of its power is allocated to scanning. It is similar to but functions differently in comparison to its counterparts range-while-search (RWS), long range search (LRS), air ...