Conversation so far:
What are some nautical considerations of Christopher Columbus?
Columbus was wrong about the number of degrees of longitude that separated Europe from the Far East and about the distance that each degree represented.
What was Christopher Columbus right about in terms of nautical considerations?
he did possess valuable knowledge about the trade winds
How did some of Christopher Columbus' real life voyages go?
During his first voyage in 1492, the brisk trade winds from the east, commonly called easterlies, propelled Columbus's fleet for five weeks, from the Canary Islands to The Bahamas.
Did anything else happen during Christopher Columbus's first voyage, besides the ships being propelled by east winds?
The precise first land sighting and landing point was San Salvador Island.
Was San Salvador Island known for anything historically important in connection to Columbus?
It is widely believed that during Christopher Columbus' first expedition to the New World, San Salvador Island was the first land he sighted and visited on 12 October 1492.
Did anything else happen in the first voyage of Christopher Columbus in 1492?
During his first voyage in 1492, the brisk trade winds from the east, commonly called easterlies, propelled Columbus's fleet for five weeks
Was Christopher Columbus' voyage successful then using his nautical knowledge?
Yes, he was successful

Question: What sailing techniques did he use to utilize the winds?
Self-contained rewrite: What sailing techniques did Christopher Columbus use to utilize the winds?