R Aircraft Abbreviation

Restricted Area

A specified area on land or water designated by an appropriate authority within which access or navigation is restricted in accordance with certain specified conditions. A deck, space, area, etc., not permitted to be entered for safety reasons.

Range

The difference between the highest and lowest values of a measurable attribute of the output of a process. An area between two limits within which a quantity is measured, stated in terms of a lower and upper limits. The categorization of an attribute into different segments. The set of values that a quantity or function may take.

Radial

Line from a VOR or NDB. For example, the 180 radial from a VOR represents a line south of that VOR. In a direction directly outward from the center of a circle or sphere or from the axis of a cylinder. The spokes of a wheel, for example, are radial. A magnetic bearing extending from a very high frequency omni-range and/or tactical air navigation station.

Required

Route

Consecutive links in a network served by single flight numbers, eg QF1 operates SYD/BKK/LHR as a single route. The path that network traffic follows from its source to its destination. also cut-through. The URL used to direct requests to an application. A route is made up of an optional host and a domain that are specified when an application is pushed. For example, in the route myapp.example.com, myapp is the host and example.com is the domain.