An airline is a company that provides air transport services for traveling passengers and freight. Airlines utilize aircraft to supply these services and may form partnerships or alliances with other airlines for codeshare agreements. Generally, airline companies are recognized with an air operating certificate or license issued by a governmental aviation body. Airlines vary in size, from small domestic airlines to full-service international airlines. Airline services can be categorized as being
NEPA requires Federal agencies to prepare environmental impact statements (EISs) for major Federal actions that significantly affect the quality of the human environment.
The document from this process is called an Environmental Impact Statement (EIS). Projects listed in Annex I have mandatory EIA requirements. The Planning Authority makes decisions on a case-by-case basis on whether Annex II projects require an EIA. Thresholds have been set for Annex II projects.