what i san example that captain Smollett was perceptive, intelligent, authoritative.

Examples:

“Well, sir,” said the captain, “better speak plain, I believe, even at the risk of offence. I don't like this cruise; I don't like the men; and I don't like my officer. That's short and sweet.”

As for Mr. Arrow, I believe him thoroughly honest; some of the men are the same; all may be for what I know. But I am responsible for the ship's safety and the life of every man Jack aboard of her. I see things going, as I think, not quite right.

Here's a first-rate seaman, Cap'n Smollett, sails the blessed ship for us.

Gray,” resumed Mr. Smollett, a little louder, “I am leaving this ship, and I order you to follow your captain. I know you are a good man at bottom, and I dare say not one of the lot of you's as bad as he makes out. I have my watch here in my hand; I give you thirty seconds to join me in.”
There was a pause.
“Come, my fine fellow,” continued the captain; “don't hang so long in stays. I'm risking my life and the lives of these good gentlemen every second.”
There was a sudden scuffle, a sound of blows, and out burst Abraham Gray with a knife cut on the side of the cheek, and came running to the captain like a dog to the whistle.
“I'm with you, sir,” said he.