| Term: |
STANDARD INSTRUMENT DEPARTURE (SID) |
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| Meaning: | A preplanned instrument flight rule (IFR) air traffic control (ATC) departure procedure printed for pilot/controller use in graphic form to provide obstacle clearance and a transition from the terminal area to the appropriate en route structure. SIDs are primarily designed for system enhancement to expedite traffic flow and to reduce pilot/controller workload. ATC clearance must always be received prior to flying a SID. |
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| Previous Term: | STANDARD INSTRUMENT APPROACH PROCEDURE (SIAP) |
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