Then there was the camera, a compass and the laptop, to watch DVDs on the plane.
From the telegraph.co.uk
By peering at a shadow in the sun compass, Byrd gauged whether the plane was heading north.
From the sciencedaily.com
To avoid errors due to parallax a plane mirror is mounted below the compass needle.
From the en.wikipedia.org
I took the compass out of the plane, because south of the equator, you cannot walk in a straight line in a forest or jungle.
From the suntimes.com
The men decided to head back to the plane to see if they could fetch a compass and a smoke grenade.
From the ocregister.com
In operation, the instrument is first rotated until the magnetic field of the Earth, indicated by the compass needle, is parallel with the plane of the coil.
From the en.wikipedia.org
Straight movements are in one of eight directions for either plane, as in the eight principal directions of a compass.
From the en.wikipedia.org
During its descent, the plane had turned more than 180 degrees to the right to a compass heading of 270 degrees.
From the en.wikipedia.org
The trend is the compass direction of the line, and the plunge is the downward angle it makes with a horizontal plane.