The set of frequencies between 3 and 30 GHz.
Supervised Practices
Manipulations of equipment or job aid where the instructor provides the necessary feedback.
Supplemental-Means Navigation System
A navigation system that must be used in conjunction with a sole-means-navigation system. Approval for supplemental-means for a given phase of flight requires that a sole means navigation system for that phase of flight must be on board. Amongst the navigation system performance requirements for a given phase of flight, a supplemental-means navigation system must meet the same accuracy and integrity requirements as a sole-means system; there is no requirement to meet availability and continuity requirements. Operationally, while accuracy and integrity requirements are being met, a supplemental-means system can be used without any cross-check with the sole-means system.
Supplier Any person or any unit providing a service or a product. Supply of trust Level of trust actually provided by you when the machine intervenes and supports task. Supra National Information Information concerning an activity or condition which affects the airspace/FIR of two or more States. Surface Acoustic Wave Filter High quality band pass filter. Surface Movement Radar Radar equipment specifically designed to detect all principal features on the surface of an airport, including aircraft and vehicular traffic, and to present the entire image on a radar indicator console in the control tower. Used to augment visual observation by tower personnel of aircraft and/or vehicular movements on runways and taxi-ways. Surface Surveillance A system to maintain or even enhance ground movement safety and efficiency. Surveillance The observation of an area or space for the purpose of determining the position and movements of aircraft or vehicles in that area or space. Surveillance Analysis & Support System for ATC Cen Workstation based suite of analysis programs for the purpose of evaluating plot and track data recordings with the aim to determining the performance of radars within a Mono or Multi-Radar environment. Surveillance Radar Radar equipment used to determine the position of an aircraft in range and azimuth. Surveillance Radar Equipment Surveillance Radar Equipment includes primary, secondary or multi-radar displays. (Ref. Developed by Licensing Work Group). Survey The act of making measurements to determine the relative position of points on, above, or beneath the Earth's surface. Switched Virtual Circuit The primary circuit management technique provided within the ISO 8208 protocol. The network resources are dynamically allocated when needed and released when no longer required. Switchover. Process of switching the operational services from the Principal computer chain to Hot Standby computer chain. Syllabus A listing of subjects and topics showing the training necessary to fill the training gap and achieve the course aim. Indicates time to be devoted to each part but usually neither methods nor order. Synergy Combined action or co-operation. Syntax Correction Changing the published format structure of the NOTAM where these are obviously wrong.
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