Discrete Code As used in the Air Traffic Control Radar Beacon System (ATCRBS), any one of the 4096 selectable Mode 3/A aircraft transponder codes except those ending in zero zero; e.g., discrete codes: 0010, 1201, 2317, 7777; nondiscrete codes: 0100, 1200, 7700. Nondiscrete codes are normally reserved for radar facilities that are not equipped with discrete decoding capability and for other purposes such as emergencies (7700), VFR aircraft (1200), etc.

Aero Linx: International Aviation Services Organization (IASO) International Aviation Services Organization (IASO) is a non-government organization, Ground Handling Industry Leader and forum for consultation on industry issues for all aviation services companies worldwide. The organization is registered in Sweden and Montreal, Canada with its operational HQ in Dubai. There are two sub-organizations that fall under the umbrella of IASO – IFSO (International Fuel Services Organization) and IHAO (International Handling Aviation Organization). The main objective of IASO is to organize, educate, and improve the aviation services industry through collaboration, using best business practices and speaking with one voice for

"Amassing four million flight hours is a testament to the reliability of RPA systems that are designed, built, and maintained by a dedicated group of skilled and innovative professionals. We are proud of our fleet's contributions in providing round-the-clock ISR capabilities for our customers worldwide." Source: Linden Blue, CEO, General Atomics Aeronautical Systems, Inc., commenting as the Predator-series family of aircraft, including MQ-1 Predator, MQ-9 Reaper, and MQ-1C Gray Eagle, achieved a historic industry milestone: four million flight hours. The milestone was crossed on August 7th, with 291,331 total missions completed and 90% of all missions flown in combat.