Which FAR outlines pilot responsibilities regarding weather assessments?

FAR 91.103 is the regulation that specifically addresses pilot responsibilities regarding weather assessments and preflight actions. According to this regulation, a pilot in command must become familiar with all available information concerning the flight before departure. This includes evaluating weather conditions and forecasts to ensure that the flight can be conducted safely.

The emphasis on understanding weather information is crucial for flight safety, as it allows pilots to make informed decisions regarding flight operations, including whether to proceed with a flight or alter their plans based on current and predicted weather conditions. This aligns with the overarching goal of ensuring safe and effective flight operations.

In contrast, other regulations listed focus on different areas of aviation operations. For instance, FAR 91.109 pertains to the operations of pilots and certain training requirements, FAR 61.57 discusses recent flight experience requirements for VFR and IFR operations, while FAR 107.1 deals with the applicability of rules for small unmanned aircraft systems. None of these regulations specifically address the necessity for pilots to assess and account for weather conditions, which is why FAR 91.103 is the most relevant choice for this question.