### Question
Can you define what other commercial air service means?


### Answer
**Other commercial air service** is defined as the following in *49 U.S.C. § 40102*:

> an aircraft operation that (i) is within the United States territorial airspace

#### Citation:
  - *49 U.S.C. § 40102*
  - Heading: **SUBTITLE VII-AVIATION PROGRAMS > PART A-AIR COMMERCE AND SAFETY > subpart i-general > CHAPTER 401-GENERAL PROVISIONS**

