The endeavor of the crew of a vessel, or any one or more of them, to overthrow the legitimate authority of her commander, with intent to remove him from his command, or against his will to take possessiou of tlie vessel by assuming the government and navigation of her, or by transferring their obedience from the lawful commander to some other person. United States v. Kelly, 11 Wheat. 417, 0 L. Ed. 508.