No, the Transportation Security Administration does not allow pocket knives to be brought on airplanes in carry-on luggage. According to the TSA guidelines, items that can easily be used as a weapon, including all types of knives, are prohibited for safety reasons. This includes pocket knives, regardless of their blade length or type, as they can pose a significant risk to passengers and crew members during a flight.
If you have a pocket knife that you would like to bring with you while traveling, it is important to pack it in your checked luggage. The TSA permits knives and other sharp objects in checked bags, as these items will not be accessible during the flight and pose less of a security concern.
It is always a good idea to check the most current TSA guidelines regarding prohibited items before your flight. You may visit the TSA website, where you can find detailed information about what you can and cannot bring on board an aircraft. Ensuring that you comply with these regulations will help facilitate a smoother security screening process at the airport.