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Navigation

En Route Modifications

Navigation

Part of the challenge of using FMS en route is dealing with modifications to the planned flight route. This section describes five en route modifications. Adding and Deleting Waypoints From the Programmed Route All FMS/RNAV units allow en route (not published departure, arrival or approach) waypoints to be added and deleted to the programmed route. […]

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En Route Navigation (Part Two)

Navigation

Waypoint Sequencing The third service performed by sequencing mode is waypoint sequencing. Once the aircraft reaches the active waypoint, the FMS automatically makes the next waypoint in the flight plan sequence the new active waypoint. Waypoint sequencing is illustrated in Figure 3-20. Awareness: Making Waypoint Callouts To help you stay in touch with the progress […]

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En Route Navigation (Part One)

Navigation

The FMS provides guidance toward each waypoint in the programmed flight route, and provides information to help you track your progress. The Active Waypoint In normal navigation, at any given time, the aircraft is progressing to the next waypoint in the programmed flight route. This next waypoint is called the active waypoint. FMSs typically display […]

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Navigation Database Currency (Part Two)

Navigation

Using the FMS’s flight planning function to check your own flight planning calculations is one example of how advanced cockpit systems can decrease the likelihood of an error. Alternatively, cross-check the computer’s calculations against your own. (Remember the old computer programmer’s adage, “Garbage in, garbage out (GIGO).”) The flight planning page can also be used to review the route that you […]

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Navigation Database Currency (Part One)

Navigation

The navigation database contained in the FMS must be current if the system is to be used for IFR navigation and approaches. Some units allow en route IFR operations if the navigation waypoints are manually verified by the pilot and accepted. The effective dates for the navigation database are shown on a start-up screen that is displayed as the FMS cycles […]

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Flight Planning

Navigation

Preflight Preparation Title 14 of the Code of Federal Regulations (14 CFR) part 91, section 91.103 requires you to become familiar with all available information before beginning a flight. In addition to the required checks of weather, fuel, alternate airports, runway lengths, and aircraft performance, there are a number of requirements unique to the use of avionics equipment.  Many of […]

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Area Navigation (RNAV) Basics: RNAV Concept

Navigation

Area Navigation (RNAV) is a navigation technique that allows pilots to navigate directly between any two points on the globe. Using RNAV, any location on the map can be defined in terms of latitude and longitude and characterized as a waypoint. Onboard RNAV equipment can determine the present position of the aircraft. Using this positional information, the equipment can calculate the […]

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Navigation

Navigation

This section introduces the topic of navigation in the advanced cockpit. You will learn about flight management systems (FMS) and area navigation (RNAV) systems are an increasingly popular method of navigating that allows pilots to make more efficient use of the national airspace system. The increasing number of users is attributable to more economical and accurate satellite signal receivers and […]

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