input: [Number] 25.491-1 [Office] ANM-110 [Date] 10-20-2000 [Title] 
output: Taxi, Takeoff and Landing Roll Design Loads Sets forth acceptable methods of compliance with provisions of Part 25 of the FAR dealing with the certification requirements for taxi, takeoff, and landing roll design loads. Guidance information is provided for showing compliance with section 25.491 of the FAR relating to structural design for airplane operation on paved runways and taxiways normally used in commercial operations.