### Question
Can you define what nonhub airport means?


### Answer
**Nonhub airport** is defined as the following in *49 U.S.C. § 41714*:

> an airport that had less than .05 percent of the total annual boardings in the United States as determined under the Federal Aviation Administration's Primary Airport Enplanement Activity Summary for Calendar Year 1997

#### 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**

