Flight management system (fms), Introduction, Legacy autopilot system interaction – BendixKing KSN 770 - Pilots Guide User Manual

Page 274: Fms database description

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KSN 765/770 Integrated Communication Navigation Display

D200802000009

REV 2 Jun 2014

15-1

Flight Management System (FMS)

Honeywell International Inc. Do not copy without express permission of Honeywell.

15. Flight Management System

(FMS)

INTRODUCTION

The FMS provides flight planning capability and navigation information

to the flight crew. The FMS manages flight details from takeoff to

touchdown. These details encompass standard instrument departures

(SIDs), standard terminal arrival routes (STARs), and instrument

approach procedures (IAP). The FMS provides predictions regarding

estimated time along the entire flight plan.

Legacy Autopilot System Interaction

Many legacy autopilot systems fly the CDI left/right needle without

reference to the To/From indicator.

When flying outbound from a fix for a course reversal and the FMS

sequences to the inbound leg back to the fix (the CDI changes to To),

the autopilot NAV mode will fly the left/right needle with reverse sensing

until the aircraft is turned inbound. To avoid this situation, fly the

outbound using the heading mode.

FMS DATABASE DESCRIPTION

The FMS relies on several database components including the

navigation and custom databases. The navigation database consists

of airport, navigation aid, and waypoint information used by the FMS to

perform navigation functions.

The custom database consists of flight plans and pilot--defined

waypoints. The custom database consists of the following information:

D

Custom (Pilot--Defined) Waypoints -- Custom waypoints can be

defined by position (latitude and longitude) or bearing and range

from a referenced waypoint (referred to as bearing/distance (B/D)).

D

Flight Plans -- Flight plans specify an origin, destination, and route

of flight. The memory allocated for flight plans is full when reaching

either the maximum permitted number of flight plans or the total

permissible number of flight plan waypoints being used in the flight

plans.

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