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Flight Management System

The FMS — Flight Management System — as installed on large transport-category airplanes is complex.

Use this app to quickly understand the concepts and flows of a typical installation.

Available for the iPad

Over 200 pages of tutorial take you through a typical pre-flight sequence, and cover every function used on a typical flight.

Includes detailed explanations of difficult topics, such as the HOLD functions, choosing alternate airports, and point/bearing/distance waypoints.

Version 2.25

Release Notes

Free Play

At any point, you can hide the tutorial and experiment with the full-featured emulator.


This app emulates the Smiths Industries FMS as installed on a Boeing 737-300.

The tutorial creates a flight plan from Anchorage to Nome, Alaska.

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