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An E-8 crew member entering data using an AN/PYQ-10 before a flight. The AN/PYQ-10 Simple Key Loader (SKL) is a ruggedized, portable, hand-held fill device, for securely receiving, storing, and transferring data between compatible cryptographic and communications equipment.
KYK-13 on display at the National Cryptologic Museum.. The KYK-13 Electronic Transfer Device is a common fill device designed by the United States National Security Agency for the transfer and loading of cryptographic keys with their corresponding check word.
Autonomous air combat maneuvering instrumentation (AACMI) are second-generation GPS-based ACMI systems.. Unlike first-generation ACMI systems, which use ground radars to track and record the position of the aircraft on the range, AACMI systems use aircraft-mounted satellite navigation systems such as the US NAVSTAR GPS system.
A KYK-13 fill device. A fill device or key loader is a module used to load cryptographic keys into electronic encryption machines. Fill devices are usually hand held and electronic ones are battery operated. Older mechanical encryption systems, such as rotor machines, were keyed by setting the positions of wheels and plugs from a printed keying ...
A flight information display system (FIDS) is a computer system used in airports to display flight information to passengers, in which a computer system controls mechanical or electronic display boards or monitors in order to display arriving and departing flight information in real-time.
MIL-STD-1553 is a military standard for the Digital time division command/response multiplex data bus that has been used since the 1970s for data communications between avionics devices on American military aircraft. It is a dual-redundant differential serial interface that operates at a rate of one megabaud.
A discrete transponder code (often called a squawk code) is assigned by air traffic controllers to identify an aircraft uniquely in a flight information region (FIR). This allows easy identification of aircraft on radar. [6] [7] Codes are made of four octal digits; the dials on a transponder read from zero to seven, inclusive. Four octal digits ...
Flight tracking enables travellers as well as those picking up travellers after a flight to know whether a flight has landed or is on schedule, for example to determine whether it is time to go to the airport. Aircraft carry ADS-B transponders, which transmit information such as the aircraft ID, GPS position, and altitude as radio signals.