A. Air carrier airports are those airports regularly served by an air carrier airline and which meet Federal Air Regulation, Part 139, or subsequent revisions or amendments. [PL 1977, c. 678, §33 (NEW).]

B. Commuter air carrier airports are those airports regularly served by commuter air carriers, which airports shall also meet such provisions of the federal air regulations, Part 139, as are duly adopted by the commissioner. [PL 1977, c. 678, §33 (NEW).]

C. General Aviation I airports are those airports not regularly served by an air carrier or a commuter air carrier and can be classified as publicly or privately owned and can be further subdivided as:

A. Utility airports are airports that are publicly or privately owned and open to the public and subdivided into 2 classes:

B. Utility airports may not conduct commercial activities. [PL 1999, c. 131, §12 (NEW).]

A. A heliport is an area, either at ground level or elevated, that is used for landing and taking off of helicopters. They are further subdivided into 2 categories:

A. A temporary landing area is an area open to the agency for the purpose of conducting aeronautical business for a limited period of time. [PL 1977, c. 678, §33 (NEW).]

A. A private airport with commercial activity is an airport that is not open to the public, but supports a commercial activity. [PL 1999, c. 131, §13 (NEW).]