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SECTION 4: RYAN TCAD INTERFACE
Allinformationinthissectionpertainingtothedis-
playandcontroloftheRyan9900BTCADalsoapplies
totheRyan9900BXTCADexceptforthefollowing:
• TCAS-like symbolsare usedin the 9900BX.
TCADsymbolsareusedwiththe9900B(seethe
tableonpage17).
• Altitude modesare available(normal, look up,
lookdown,unrestricted).
• Rangesaremanuallycontrolledinsteadofbeing
automaticallyre-sizedtothecurrentshield.
• Trafcdisplayrangeselectionsaredifferent:
-Ryan9900B—rangeisslavedtocurrentshield
size.
- Ryan9900BX—1NM, 1and2NM,2 and
6NM,6and12NM,and12and24NM.
See the Ryan TCAD Pilot’s Handbook for a
description of the traffic symbols.
Ryan TCAD Description
NOTE: Refer to the Ryan TCAD Pilot’s Guide for a
detailed description of the Ryan TCAD System.
TheRyanTCAD(TrafcandCollisionAlert
Device)isanon-boardairtrafcdisplayusedto
identifypotentialcollisionthreats.TCADcomputes
relativealtitudeandrangeofthreatsfromnearby
ModeCandModeS-equippedaircraft.TCADwillnot
detectaircraftwithoutoperatingtranspondersorthose
thatarebeyondradarcoverage.TCAD,withindened
limits,createsa“shield”ofairspacearoundtheaircraft
thatdetectedtrafccannotpenetratewithouttrigger-
inganalert.
Operator Controls and Basic Displays
Ifthereisnocommunicationbetweenthe
400W/500WSeriesunitdisplayandtheTCADunit,a
messagewillappear,notifyingtheuser.Afterinitial-
ization,proceedwithoperationofthe400W/500W
Seriesunitinanormalmanner.TCADdatacanbe
shownina“thumbnail”viewontheMapPage.
The Map Page can display TCAD traffic in any
of the top three fields (or top four fields on a
500W Series unit) located on the right-hand
side of the display.
TCADdataalsodisplaysontheTrafcPageand
MapPages,ifheadingdataisavailable.Thesymbols
forclosingandopeningtrafcshownonboththeMap
PageandtheTrafcPageareidenticaltothoseshown
ontheRyanTCAD:
190-00356-31 Rev. C
Section 4
Ryan TCAD Interface