AAAE ACE Operations Module 2 Correctly Answered 2024

AAAE ACE Operations Module 2 Correctly Answered 2024 What are the two major categories of pavement? - Answer -Flexible and rigid What are some types of flexible pavement? - Answer -Grass, dirt, gravel and asphalt Why are paved surfaces necessary at airports? - Answer -To support the critical loads imposed on them; to produce a smooth, skid-resistant and safe-riding surface Airport surfaces are distinguished by operational control and FAA design standards into what two areas? - Answer -Movement and non-movement What constitutes the movement area on an airport? - Answer -Runways and taxiways. At ATCT controlled airports, the surfaces under ATC control. These areas must meet Part 139 design restrictions. What constitutes the non-movement area of an airport? - Answer -Taxiways and aprons not under ATCT control How are movement and non-movement areas determined at an airport with an ATCT? - Answer -By Letter of Agreement (LOA) between the airport and the ATCT. What is the benefit of using a rigid pavement such as Portland Cement Concrete? - Answer -It is about half the lifetime cost of asphalt, with a service life of 30+ years versus 5-15 years for asphalt. Concrete is more expensive up front though, so asphalt is common at low revenue airports such as GA. What are two major elements that make pavements deteriorate? - Answer -weathering and aircraft loads For bearing strengths of 12,500lbs or greater, what method is used to express the effect of an individual aircraft on different pavements? - Answer -Comparing ACN to PCN (Aircraft Classification NumberPavement Classification Number) What does the Pavement Classification Number (PCN) represent to the operator/pilot? - Answer -PCN is the maximum pavement bearing strength for unrestricted aircraft operations. What is the Load Classification Number (LCN) used to describe? - Answer -Pavement bearing strengths less than 12,500lbs What are the five major categories of pavement distress? - Answer -cracking, joint seal damage, disintegration, distortion,