14 CFR §152.109

1. (a)Airport master planning. A proposed project for airport master planning is not approved unless—
   1. (1)The location of the existing or proposed airport is included in the current NASP;
   2. (2)In the opinion of the Administrator, the proposed planning would promote the effective location of public airports and the development of an adequate NASP;
   3. (3)The project is airport master planning as defined in § 152.3;
   4. (4)If the project has been determined to have areawide significance by an appropriate areawide agency, it has been incorporated into a unified planning work program; and
   5. (5)In the case of a proposed project for airport master planning in a large or medium air traffic hub, in the opinion of the Administrator—
      1. (i)There is an appropriate system plan identifying the need for the airport;
      2. (ii)The absence of a system plan is due to the failure of the responsible planning agency to proceed with its preparation; or
      3. (iii)An existing system plan is not acceptable.
2. (b)Airport system planning. A proposed project for airport system planning is not approved unless—
   1. (1)In the opinion of the Administrator, the project promotes the effective location of public airports;
   2. (2)In the opinion of the Administrator, the project promotes the development of an adequate NASP;
   3. (3)The project is airport system planning as defined in § 152.3; and
   4. (4)When the project encompasses a metropolitan area that includes a large or medium hub airport, the project is incorporated in a unified planning work program.