Assignment 3 - Sentences of "Caught by the sea"

Simple Sentence:
"I was nearly killed in twenty-two minutes." (Pg. 103)
This sentence is SIMPLE because it contains only one clause.

Compound Sentence:
"I had just sat up and it drove me back down." (Pg. 55)
This sentence is COMPOUND because it contains two independent clauses joined by coordinating conjunction like and.

Complex Sentence:
"I was halfway there when we got hit." (Pg. 97)
This sentence is COMPLEX because it contains an independent clause joined by a dependent clause. Also, this sentence is complex because it has a subordinating conjunction, such as because.

Compound- Complex Sentence:
"But I had not seen it until just now, when my mother had come down inside the boat to get me, breathlessly telling me that a plane full of people was going to crash near the ship and that I should come to watch." (Pg. 2)
This is a COMPOUND-COMPLEX sentence because it contains three dependant clauses and one independent clause. Also, this sentence contains two coordinating conjunctions and one subordinating conjunction.

Indeterminate Sentence:
"The cat-and it is strange that I still think of her thus not as "she," as with other boats, and only rarely by her name, Ariel-has taught me many things about technical sailing, but the most important thing to know about sailing a catamaran is that weight is bad." (Pg. 84)
This sentence perplexes me because three coordinating conjunctions and two subordinating conjunctions, but I can't distinguish the clauses.