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DVOR (Doppler VOR) ground station, collocated with DME. On-board VOR display with CDI MCT DVOR, Manchester Airport, United Kingdom.. Very High Frequency Omnidirectional Range Station (VOR) [1] is a type of short-range VHF radio navigation system for aircraft, enabling aircraft with a VOR receiver to determine the azimuth (also radial), referenced to magnetic north, between the aircraft to/from ...
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With VOR/DME, measurement from a single station reveals an angle and range, which can be easily drawn on a chart. Using a system based on two angles, as an example, requires two measurements at different frequencies (or using two radios) and then the angles plotted from both on a single chart which may be difficult in a cramped cockpit.
An "approach plate" depicting an instrument approach procedure for an ILS approach to Tacoma Narrows Airport in the United StatesIn aviation, an instrument approach or instrument approach procedure (IAP) is a series of predetermined maneuvers for the orderly transfer of an aircraft operating under instrument flight rules from the beginning of the initial approach to a landing, or to a point ...
The DME portion of the TACAN system is available for civil use; at VORTAC facilities where a VOR is combined with a TACAN, civil aircraft can receive VOR/DME readings. Aircraft equipped with TACAN avionics can use this system for enroute navigation as well as non-precision approaches to landing fields. However, a TACAN-only equipped aircraft ...
The initial approach fix is usually a designated intersection, VHF omnidirectional range (VOR), non-directional beacon (NDB), or distance measuring equipment (DME) fix. The initial approach fix may be collocated with the intermediate fix (IF) of the instrument approach and in such case they designate the beginning of the intermediate segment of ...
A standard instrument departure procedure consists of a number of waypoints or fixes, which may either be given by their geographical coordinates or be defined by radio beacons, such as VOR or NDB and radial headings, or a radial heading with a DME distance.
Terminal Procedure with Approach Intersections. In aviation, an intersection is a virtual navigational fix that helps aircraft maintain their flight plan.It is usually defined as the intersection (in the geometrical sense) of two VOR (VHF Omnidirectional Range) radials.