Do pilots require ATC clearance to fly a standard instrument departure (SID)?

• A. Yes
• B. No
• C. Only with a published clearance
• D. Only when operating under VFR

Answer: (A)

A standard instrument departure is a published route that is designed to get an aircraft safely from the runway into the en route structure with ATC coordination. Even though the SID is published, you still need ATC clearance to fly it. The clearance confirms that you’re authorized to use that specific departure, follow the altitude and routing restrictions, and join the airspace in a way that keeps you separated from other traffic. Think of the SID as the plan ATC will assign you; without their explicit authorization, you’re not cleared to depart on that route.

This isn’t something you can do just because the procedure exists. It’s not about having a published clearance versus anything else, and it isn’t tied to VFR operations. SIDs are instrument procedures used to manage IFR traffic, so the requirement to obtain ATC clearance applies whenever you’re operating under IFR in controlled airspace.