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Maximum or minimum allowable dimension, resulting from the application of predetermined tolerances to a specified dimension.

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An outline chart showing the limits and identifying desig- nations of navigational charts, volumes of sailing directions, etc.


Contracts with berth cip. nor can be given when within commercial limits of the port


Institute Warrant Limits


1. An opening; particularly, the opening in the front of a camera through which light rays pass when a picture is taken. 2. The diameter of the objective of a telescope or other optical instrument, usually expressed in inches, but sometimes as the angle between lines from the principal focus to opposite ends of a diameter of the or a this line represents the intersection of the appropriate datum with the outer limits of vegetation and appears to the navigator as the shoreline


A buoy which marks the limits of an anchorage


A navigation mark which indicates an anchorage area or defines its limits


A ship routing measure comprising an area with defined limits which should be avoided by all ships, or certain classes of ships; instituted to protect natural features or to define a particularly hazardous area for navigation.


1. The range of frequencies of a device within which its performance, in respect to some characteristic, conforms to a specified standard. 2. The range within the limits of a frequency band.


An area generally outside port limits that is specifically designated as suitable for the transshipment of oil or other materials from large ships to smaller ones. As the purpose of transshipment is usually to reduce the draft of the larger vessel to allow her to proceed to port, the operation is often known as lightening and the area may be called lightening area or cargo transfer area


1. The boundary line of a circle or other closed plane curve or the outer limits of a sphere or other round body. 2. The length of the boundary line of a circle or closed plane curve or of the outer limits of a sphere or other rounded body. The circumference of a sphere is the circumference of any great circle on the sphere.
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