### Question
How does AIR COMMERCE AND SAFETY define nonhub airport?


### Answer
Under *49 U.S.C. § 41719*, **nonhub airport** is defined as:

> that term has under section 41731(a)(4).

#### Citation:
  - *49 U.S.C. § 41719*
  - Heading: **SUBTITLE VII-AVIATION PROGRAMS > PART A-AIR COMMERCE AND SAFETY > subpart ii-economic regulation > CHAPTER 417-OPERATIONS OF CARRIERS > SUBCHAPTER I-REQUIREMENTS**

