This article is about Lt. Eccleston. You may be looking for Lt. Eccles instead, the character Eccleston is based on.
He was in command of the cutting-out of the Papillon.
When the Papillon came under fire from the shore batteries, Eccleston and Chadd, the second lieutenant, were fatally injured. Before dying, Eccleston placed Horatio Hornblower in command of the Papillon, a fact which upset Jack Simpson.