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The platform was a circular concrete slab, 120 feet 6 inches (36.73 m) in diameter with a compass rose inscribed on its surface. Aircraft were pushed onto the platform and aligned with each of the 16 main cardinal points of the compass, starting with north. Variations in aircraft compass bearings were noted and compass magnets were adjusted. [1]
32-point compass rose. The points of the compass are a set of horizontal, radially arrayed compass directions (or azimuths) used in navigation and cartography.A compass rose is primarily composed of four cardinal directions—north, east, south, and west—each separated by 90 degrees, and secondarily divided by four ordinal (intercardinal) directions—northeast, southeast, southwest, and ...
Floating-card compass with prismatic sight (bearing 220° through eyepiece). The marine hand compass, or hand bearing compass|hand-bearing compass as it is termed in nautical use, has been used by small-boat or inshore sailors since at least the 1920s to keep a running course or to record precise bearings to landmarks on shore in order to determine position via the resection technique.
The compass can have an arbitrarily large radius with no markings on it (unlike certain real-world compasses). Circles and circular arcs can be drawn starting from two given points: the centre and a point on the circle. The compass may or may not collapse (i.e. fold after being taken off the page, erasing its 'stored' radius).
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Compass turns (turns using the magnetic compass as the primary reference instrument) are not standard practice in modern aircraft. Compass turns are typically performed in simulated or actual failures of the directional gyro or other navigational instruments. A magnetic compass is a simple instrument when the compass is not moving and is on the ...
The male humpback whale that traveled the longest documented distance to date is observed in Zanzibar Channel, off the village of Fumba on the Tanzanian island of Unguja, on August 22, 2022.
Mattie Stepanek first learned about Jimmy Carter when he was just 6 years old. While most kids his age might not be interested in a former U.S. president, Mattie was different. "He said, 'Mommy ...