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Approach Procedures
Operations
less than the distance should be for the published arc, then you will
need to increase or decrease your heading to intercept the arc.
DME-Arcs are usually used as a method for pilots to intercept a flight
plan leg, or a course to a fix. They are sometimes used as a method of
reaching a subsequent fix such as a missed approach holding
waypoint.
Flying a DME-Arc is a procedure. The Apollo NMS provides you with
more information than traditional DME equipment including a
Desired-Track (DTK) relevant to the arc at your current radial. The
information provided and the method of navigating the arc and
intercepting a new course is very similar to the information and
techniques used to fly a DME-Arc with traditional equipment, except
easier.
DME-Arcs are flown using an Apollo NMS Arc Assist page and the
aircraft heading for primary guidance. This makes them nearly
identical to flying a DME-Arc with traditional DME equipment. The
NMS and your CDI should provide guidance on the course or leg that
you intend to intercept so that the CDI gives intercept information
exactly as if you were intercepting a familiar VOR inbound course.
DME Arc Example
The following example describes the process for intercepting and
flying a DME-Arc. This example uses a flight plan from Klamath Falls
(LMT) to Medford (MFR) and will navigate along the VOR DME
Runway 14 approach.
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