What is the first step in the procedure for Crew Communication (CC) during an emergency on the taxiway?

The correct answer is that N1 picks up the intercom and announces standing by. In an emergency situation on the taxiway, prompt and clear communication is critically important to establish a coordinated response among the flight crew. By announcing that they are "standing by," N1 signifies readiness to manage the situation and to communicate any updates or directives from the Captain.

This step is designed to ensure that the crew is aligned and responding appropriately to the emergency. It facilitates a quick assessment of the situation, allowing the crew to react effectively. Effective communication reinforces authority and clarity, which is essential in emergency procedures.

Other options, while important in their own right, are steps that come into play after the initial communication is established. For example, checking the cabin for remaining passengers is an important safety measure but occurs after effective communication with the team. The Captain's PA to passengers is also a later step in the process, as it relies on internal coordination beforehand. Briefing on NITS (Nature, Intent, Time, and Special instructions) is a structured approach for further managing the situation, but this is not the immediate first step in the emergency response.