What must pilots do with taxi instructions if there is any doubt?

When pilots encounter any doubt regarding taxi instructions, it is imperative to request progressive taxi instructions. This ensures clarity and safety during ground operations, as progressive instructions provide step-by-step guidance to navigate the taxiway and prevent potential runway incursions or other ground mishaps. By asking for progressive instructions, pilots can confirm their understanding of the expected route and receive further clarification if needed, ultimately enhancing situational awareness and safety.

This approach aligns with best practices in aviation communication, which emphasize the importance of clear and concise instructions in high-stakes environments. It also exemplifies a culture of safety within aviation, where seeking clarification is encouraged and viewed as a responsible action rather than a sign of incompetence. In high-traffic situations or complex taxiway configurations, this becomes even more crucial, as the ground environment can change quickly.

In summary, requesting progressive taxi instructions when uncertain demonstrates a pilot's commitment to making safe and informed decisions while minimizing risks associated with ground navigation.