on 27 august 1834 she collided with the revenue cutter cameleon off south foreland, dover, sinking cameleon with the loss of most of its crew. this incident led to the court martial of officers and crew of "castor" on 6 september 1834 in plymouth. the officers were acquitted but the lieutenant of the watch was dismissed from the service, it having been admitted and proven that a proper watch had not been kept.