Federal Aviation Administration Draft Advisory Circular 150/5360-14A, Access to Airports by Individuals with Disabilities

2.4 Program Accessibility.

2.4.1 28 CFR § 35.150(a).
An airport operator must ensure that its services, programs, or activities are accessible to persons with disabilities.

2.4.2 28 CFR § 35.130(b)(7).
Airports must make reasonable modifications to their policies, practices, or procedures when the modifications are necessary to avoid discrimination on the basis of disability, unless the airport can demonstrate that the modifications would fundamentally alter the nature of the service, program, or activity.

2.4.3 28 CFR § 35.150(a)(3).
Airports are not required to take any action that will result in a fundamental alteration in the nature of a service, program, or activity that would result in undue financial and administrative burdens.

2.4.4 28 CFR § 35.150(b).
Existing facilities must be accessible to and usable by individuals with disabilities. Public entities must give priority to those methods that provide services, programs, and activities in the most integrated setting appropriate for persons with disabilities.