Garmin G1000 PDAs & Smartphones User Manual


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190-00498-07 Rev. A
Garmin G1000 Pilot’s Guide for Cessna Nav III
65
FLIGHT INSTRUMENTS
SYSTEM
OVERVIEW
FLIGHT
INSTRUMENTS
EIS
AUDIO PANEL
& CNS
FLIGHT
MANAGEMENT
HAZARD
AVOIDANCE
AFCS
ADDITIONAL
FEATURES
APPENDICES INDEX
Figure 2-23 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
Terminal
1.0 nm
Terminal
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 flight 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 flight 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:
- Uponreachingtherstwaypointofanarrivalroutethatismorethan31nmfromthedestinationairport,
theightphasechangestoterminalandtheCDIscalebeginstotransitiondownfrom2.0nmto1.0nm
over a distance of 1.0 nm.
•Duringapproach,theCDIscalerampsdownevenfurther(Figures2-24and2-25).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.
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