No, commercial pilots are generally not allowed to carry knives in the cockpit or through security in 2026. Despite their high-security clearance and responsibilities, pilots are subject to the same TSA (and international) "Prohibited Items" list as passengers when passing through general security checkpoints. While "Known Crew Member" (KCM) programs allow pilots to bypass some lines, they are still prohibited from carrying weapons. The only exception is for "Federal Flight Deck Officers" (FFDOs)—pilots who have undergone specialized federal training and are authorized to carry a firearm (but specifically not a knife) for the defense of the cockpit. In 2026, if a pilot needs a tool for maintenance or personal use, they must pack it in their checked luggage. Carrying a blade in the cabin, even as a captain, would be a major security violation and could lead to the immediate suspension of their flying license.