### Question
What is the definition of underway?


### Answer
The definition of **underway** is as follows in *33 U.S.C. § 2003*:

> that a vessel is not at anchor, or made fast to the shore, or aground;

#### Citation:
  - *33 U.S.C. § 2003*
  - Heading: **CHAPTER 34-INLAND NAVIGATIONAL RULES > SUBCHAPTER I-RULES > Part A-General**

