Airport navigational aids, which are primarily used by pilots to guide aircraft during landing operations, can be visual or electronic. In either case, there is a need to know the applications and parameters for each installation. Kimball has operational knowledge of these requirements and can prepare the scope of work for installation of navigational aids at most airports. Kimball also has experience in Federal Aviation Administration coordination, at both the local and a regional level, which is essential to ensuring the project conforms to FAA guidelines, can be flight-checked, and put into service. Navigational aids projects that Kimball has experience in include: