This coverage includes Electronic Enroute Low Service for Alabama, Arkansas, Connecticut, Delaware, District of Columbia, Florida, Georgia, Iowa, Illinois, Indiana, Kansas, Kentucky, Louisiana, Massachusetts, Maine, Maryland, Michigan, Minnesota, Missouri, Mississippi, North Carolina, North Dakota, Nebraska, New Hampshire, New Jersey, New York, Ohio, Oklahoma, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Virginia, Vermont, Wisconsin, and West Virginia. Flight operations above FL180 within the USA required USAHI or USAHS. Coverage fits in twelve 2-inch binders (not included).The Airway Manual is an all-paper manual that is designed for the IFR pilot who requires the most up-to-date and complete planning, enroute and terminal information.For each geographic area that you select, you receive a complete set of initial enroute charts, area charts, terminal charts, flight procedures and supplemental information. Your service will then be kept current throughout the year via updates and revisions.