Grounds for disciplinary action.

The commission may suspend any pilot for any period that it may deem proper, and may revoke and annul any pilot€™s license which shall be issued under this chapter, upon satisfactory proof that: (1) The pilot has willfully disobeyed or violated the provisions of this chapter or any rule or regulation made and established by the commission; or (2) The pilot has negligently lost or damaged any vessel under his or her care; or (3) The pilot is so addicted to the habits of intoxication, or the use of any drug, as to be unfit to be entrusted with the charge of a vessel; or (4) The pilot is so mentally or physically incapable as to be unfit to carry on the duties of a pilot.