### Question
How is the term medium hub airport defined?


### Answer
The term **medium hub airport** is defined in *49 U.S.C. § 41714* as the following:

> an airport that each year has at least .25 percent, but less than 1.0 percent, of the total annual boardings in the United States as determined under the summary referred to in paragraph (7)

#### Citation:
  - *49 U.S.C. § 41714*
  - Heading: **SUBTITLE VII-AVIATION PROGRAMS > PART A-AIR COMMERCE AND SAFETY > subpart ii-economic regulation > CHAPTER 417-OPERATIONS OF CARRIERS > SUBCHAPTER I-REQUIREMENTS**

