The length of the longest runway at Portland International Airport is?

The length of the longest runway at Portland International Airport is indeed 11,000 feet. This measurement is important for understanding the airport's operational capabilities. Longer runways can accommodate larger aircraft and allow for heavier takeoff weights, which is particularly crucial for flights bound for distant destinations. Additionally, this length can support various types of operations, including commercial, cargo, and emergency landings.

When comparing this with the other options, 4,049 feet, 6,600 feet, and 10,000 feet do not meet the specifications for the longest runway available at Portland International Airport. While 10,000 feet is substantial and sufficient for many large aircraft, it does not surpass the 11,000 feet offered by the longest runway, making it a key figure for aviation professionals and flight planning. In summary, understanding runway lengths is fundamental in aviation, influencing everything from aircraft operations to airport design and safety protocols.