SIDS is an acronym for which aviation term?

• A. See standard instrument departure procedures.
• B. Suspended aviation data service.
• C. Standard instrument departure procedures for arrivals.
• D. System for initiating descent in approach.

Answer: (A)

SIDs are standardized departure routes used to safely and efficiently guide aircraft from an airport into the enroute structure under instrument conditions. The term SIDS stands for Standard Instrument Departure procedures, which is why this option is the best match—the plural form reflects there are multiple published departures for an airport. These procedures are designed with published routing, altitude, and speed constraints to help ATC sequence departures and keep separation, especially in busy or instrument flight conditions. The other descriptions don’t correspond to established aviation terms for departures: a suspended data service isn’t a recognized term, arrivals belong to procedures used for arriving aircraft rather than departing, and a system for initiating descent in approach refers to the approach phase, not the departure phase.