navigational instrument

On his death Hasselaer left a collection of 266 objects, including navigational instruments.

On board were the latest maps and navigational instruments.

So he had to rely on four small solar cells to provide power to his navigational instruments and computer.

A pelorus was a navigational instrument used on sailing ships.

We set the paper charts up on the navigation table and checked all the navigational instruments.

These include flowers, navigational instruments, coats of arms, animals, people and gold.

Although the stone was found near a navigational instrument, its use remains uncertain.

It wouldn't be able to find Discipline with its navigational instruments severed.

His research resulted in programs that trained pilots to read and understand navigational instruments.

I had wondered what sort of navigational instrument the heroes would be provided with, and now I could see.