Cockpit Reference Guide

190-00763-02 Rev. A
Garmin G1000 Pilot’s Guide for the Piper PA-46 Meridian
73
FLIGHT INSTRUMENTS
SYSTEM
OVERVIEW
FLIGHT
INSTRUMENTS
EICAS
AUDIO PANEL
& CNS
FLIGHT
MANAGEMENT
HAZARD
AVOIDANCE
AFCS
ADDITIONAL
FEATURES
APPENDICES INDEX
Whensetto‘Auto’(default),theGPSCDIscaleautomaticallyadjuststothedesiredlimitsbaseduponthe
currentphaseofight(Figure2-27,Table2-2).
Figure 2-27 Automatic CDI Scaling
2.0 nm
Enroute
(Oceanic if >200 nm
from nearest airport)
0.3 nm
Missed
Approach
1.0 nm
Approach
1.0 nm
Te rminal
1.0 nm
Te rminal
0.3 nm
Departure
CDI Full-scale Deflection
Refer to accompanying
approach CDI scaling figures
•Onceadepartureprocedureisactivated,theCDIisscaledfordeparture(0.3nm).
•ThesystemswitchesfromdeparturetoterminalCDIscaling(1.0nm)underthefollowingconditions:
- The next leg in the departure procedure is not aligned with the departure runway
- ThenextleginthedepartureprocedureisnotaCA,CD,CF,CI,CR,DF,FA,FC,FD,FM,IF,orTF(see
Glossary for leg type definitions)
- AfteranyleginthedepartureprocedurethatisnotaCAorFA
•At30nmfromthedepartureairport,theenroutephaseofightisautomaticallyenteredandCDIscaling
changesto2.0nmoveradistanceof1.0nm,exceptunderthefollowingconditions:
 - Whennavigatingwithanactivedepartureprocedure,theightphaseandCDIscaledoesnotchange
untiltheaircraftarrivesatthelastdeparturewaypoint(ifmorethan30nmfromthedepartureairport)or
the leg after the last departure waypoint has been activated or a direct-to waypoint is activated.
•Ifaftercompletingthedepartureprocedurethenearestairportismorethan200nmawayfromtheaircraft
andtheapproachprocedurehasnotyetcommenced,theCDIisscaledforoceanicight(2.0nm).
•Within31nmofthedestinationairport(terminalarea),theCDIscalegraduallyrampsdownfrom2.0nm
to1.0nmoveradistanceof1.0nm;exceptunderthefollowingconditions:
 - Whennavigatingwithanactivearrivalroute,theightphaseandCDIscaledoesnotchangeuntilthe
aircraftarrivesattherstwaypointinthearrivalroute(ifwithin31nmfromthedestinationairport).
•Duringapproach,theCDIscalerampsdownevenfurther(seeFigures2-28and2-29).Thistransition
normallyoccurswithin2.0nmofthenalapproachx(FAF).TheCDIswitchestoapproachscaling
automaticallyoncetheapproachprocedureisactivatedorifVectors-To-Final(VTF)areselected.
- IftheactivewaypointistheFAF,thegroundtrackandthebearingtotheFAFmustbewithin45°ofthe
final approach segment course.
- If the active waypoint is part of the missed approach procedure, the active leg and the preceding missed
approach legs must be aligned with the final approach segment course and the aircraft must not have
passed the turn initiation point.