His great deed, however, had been to penetrate the pack by sail alone.

They made some 15 miles by sail on the Missouri River.

Some of the canals are too narrow to be negotiable upwind by sail.

That sea was a matching blue, unspecked by sail or island.

The goal was to navigate west to east through the Northwest Passage by sail only.

It worked the inland waters there by sail until the 1950's, when it was converted to diesel.

It is vast; like the Earth, it will take months to circumnavigate by sail.

The term yacht is derived from Dutch and generally refers to a private craft used for pleasure, whether propelled by sail, engine, or both.

It's very tempting, and I know I'm risking the ship by increasing sail in this wind.

This was the last French global circumnavigation by sail.