23 Del. C. § 112: Classes of licenses.

Six classes of licenses shall be granted:

(1) First class, to persons capable of piloting ships or vessels of any practical draft of water;

(2) Second class, to persons capable of piloting ships or vessels drawing 45 feet of water or under;

(3) Third class, to persons capable of piloting ships or vessels drawing 40 feet of water or under;

(4) Fourth class, to persons capable of piloting ships or vessels drawing 35 feet of water or under;

(5) Fifth class, to persons capable of piloting ships or vessels drawing 32 feet of water or under; and

(6) Sixth class, to persons capable of piloting ships or vessels drawing 27 feet of water or under.