On a SID/DP, what should you initially fly?

When operating under a Standard Instrument Departure (SID) or Departure Procedure (DP), the focus is on the initial stages of flight immediately after takeoff. The correct procedure at this point is to fly the initial climb instructions. These instructions are designed to provide specific guidance for maintaining safety and achieving the desired flight path during the ascent phase after takeoff.

Initial climb instructions often include altitude restrictions, headings, and specific maneuvering that must take place shortly after departure. They are critical for ensuring that the aircraft clears obstacles and adheres to designated air traffic control protocols.

While your flight plan is vital for the overall mission of the flight, and final approach and descent procedures are essential later in the flight, they are not applicable in the immediate context of a SID/DP. The initial climb instructions are the first directive pilots follow after becoming airborne, making them the correct choice in this scenario.