Any municipality or other political subdivision, or officer or employee thereof, or any person, company or association of persons, acquiring property for the purpose of constituting or establishing an airport shall, in order to insure that the property and its use shall conform to minimum standards of safety and shall serve the public interest, make application to the department for approval setting forth the general purpose or purposes for which the property is to be acquired. The applicant shall state in clear and concise language the exact location of the proposed airport, making reference to known and established landmarks, the extent and ownership of the property, including metes and bounds, the size of the proposed landing area and airport environs, the nature of the terrain, whether the adjacent area is free from obstructions based on the glide ratio set forth hereinafter, and any other pertinent data which will enable the department to evaluate the proposal. In addition, the applicant shall furnish a detailed plan of the proposed facility, showing the possibilities for future expansion.