Garmin | GTN™ 625 | Garmin GTN™ 625 GTN 625/635/650 SW v6.60 Upgrade Supplement

Garmin GTN™ 625 GTN 625/635/650 SW v6.60 Upgrade Supplement
GTN 625/635/650 SOFTWARE v6.60
PILOT’S GUIDE UPGRADE SUPPLEMENT
This supplement contains the pages revised in the GTN 625/635/650 Pilot’s Guide,
P/N 190-01004-03, Rev P, regarding the new features of software v6.60. Change bars
are placed adjacent to the revised information as described in the revision summary table.
This supplement, in combination with the GTN 625/635/650 Pilot’s Guide,
P/N 190-01004-03, Rev. N, is equivalent to the GTN 625/635/650 Pilot’s Guide,
P/N 190-01004-03, Rev. P.
Current documents are available at flyGarmin.com
Printed copies may be purchased by contacting Garmin Customer Support.
NOTE: Depending on which version of software is installed and how
it is configured, the actual features and screen images may differ from
what is shown. For more information regarding feature availability for
specific software versions refer to the GTN 625/635/650 Pilot’s Guide,
P/N 190-01004-03.
GTN 625/635/650 SW v6.60 Pilot’s Guide Upgrade Supplement
190-01004-1A Rev. A
© 2019
Garmin International, Inc. or its subsidiaries
All Rights Reserved
Except as expressly provided herein, no part of this manual may be reproduced, copied, transmitted, disseminated,
downloaded or stored in any storage medium, for any purpose without the express written permission of Garmin.
Garmin hereby grants permission to download a single copy of this manual and of any revision to this manual onto a
hard drive or other electronic storage medium to be viewed for personal use, provided that such electronic or printed
copy of this manual or revision must contain the complete text of this copyright notice and provided further that any
unauthorized commercial distribution of this manual or any revision hereto is strictly prohibited.
This manual reflects the operation of system software v6.60 or later. Some differences in operation may be observed
when comparing the information in this manual to later software versions.
Garmin®, FliteCharts®, and SafeTaxi® are registered trademarks of Garmin International or its subsidiaries. Garmin
SVT™, Telligence™, and Smart Airspace™ are trademarks of Garmin International or its subsidiaries. These
trademarks may not be used without the express permission of Garmin.
NavData® is a registered trademark of Jeppesen, Inc.
SkyWatch® and StormScope® are registered trademarks of L-3 Communications.
© 2019 SiriusXM® Satellite Radio, Sirius, SXM and all related marks and logos are trademarks of SiriusXM Radio Inc.
All other marks and logos are property of their respective owners. All rights reserved.
The Bluetooth® word mark and logos are registered trademarks owned by Bluetooth SIG, Inc. and any use of such
marks by Garmin is under license. Other trademarks and trade names are those of their respective owners.
© 2019 SD® and SDHC Logos are trademarks of SD-3C, LLC. All rights reserved.
Iridium® is a registered trademark of Iridium Communications, Inc. All rights reserved.
The term Wi-Fi® is a registered trademark of the Wi-Fi Alliance®.
United States radar data provided by NOAA; European radar data collected and provided by Meteo France.
For information regarding the Aviation Limited Warranty, refer to Garmin’s website.
For aviation product support, visit flyGarmin.com.
GTN 625/635/650 SW v6.60 Pilot’s Guide Upgrade Supplement
190-01004-1A Rev. A
GTN 625/635/650 Pilot’s Guide Revision P, Change Summary
Section
Page
Description
Section 8 – Map
8.1.2
8-9
8-11
8-21
Added “Selected ALT Range Arc” to figure 8-10.
Added “Selected ALT Range Arc” to table 8-2.
Added “Selected ALT Range Arc” description.
8.1.2.1
Section 9 – Traffic
9.6.2
9-25
Changed 9,000 feet to “9,900” feet, two places in paragraph.
Section 11 – Weather
11.1.1
11.1.18
11.4
11-3
11-7
11-8
11-24
11-48
11.4.1
11-49
11.4.2
11.4.2.3
11.4.4
11.4.5
11.4.7
11.4.8
11.4.9
11-50
11-54
11-56
11-56
11-58
11-59
11-61
11.4.10
11-62
11.4.11
11.4.12
11.4.13
11-63
11-64
11-65
11.1.5
Updated figure 11-5, “Weather Data Link Menu.”
Rewrote third paragraph for clarity.
Updated key icon, figure 11-9, figure 11-10, and added note.
Added figure 11-43, “Icing Legend.”
Updated figure 11-74, “FIS-B Weather Functional Diagram.”
Added information about similarities between weather
products and updated figure 11-76, “FIS-B Weather Data Link
Menu.”
Updated “FIS-B NEXRAD” section.
Updated figure 11-80, “FIS-B Reception Unavailable.”
Added “Cloud Tops” section.
Added “Lightning.”
Changed heading to “FIS-B SIGMETS and Textual AIRMETS.”
Added “Graphical AIRMETS” section.
Added “Center Weather Advisory” section.
Updated “FIS-B Winds and Temperatures Aloft” section.
Added “Icing” section.
Added “Turbulence” section.
Added “FIS-B PIREPs” section.
Section 15 – System
15.4.6.3
15-27
Added “GTN-G3X Crossfilling” section.
Section 16 – Messages
16
16-10
Added two “Flight Plan Import” messages concerning the
G3X.
GTN 625/635/650 SW v6.60 Pilot’s Guide Upgrade Supplement
190-01004-1A Rev. A
Orientation
North Up Above
Visual APPR Sel
Auto Zoom
Auto Zoom Min
Auto Zoom Max
Track Vector Length
Altitude Constraints
Nav Range Ring
Fuel Range Ring
Fuel Reserve Time
Topo Scale
Point Obstacle Rng
Wire Obstacle Rng
Chart Color
Selected ALT Range Arc
Restore Defaults
Airport Range
SafeTaxi Diagrams
Runway Extensions
Intersection Range
NDB Range
VOR Range
VRP Range
User Waypoint Range
Airway Range
TFRs
Restore Defaults
Road Detail
City Detail
State/Province Names
River/Lake Detail
Restore Defaults
Smart Airspace
Show Airspaces
Class B/TMA Range
Class C/TCA Range
Class D Range
Restricted Range
MOA (Military) Range
Other/ADIZ Range
Restore Defaults
Range
Type
Restore Defaults
Weather Source
Cell Movement
METAR
Cloud Tops
Echo Tops
Lightning
Restore Defaults
8.1.2
Map Setup
190-01004-03 Rev. P
GTN 625/635/650 Pilot’s Guide
Foreword
Getting
Started
Audio &
Xpdr Ctrl
Com/Nav
FPL
Direct-To
Proc
Wpt Info
Map
Traffic
Terrain
Weather
Nearest
Services/
Music
Utilities
System
Messages
Symbols
Appendix
Figure 8-10 Map Setup Functional Diagram
Index
8-9
8.1.2.1
Map
The Map option defines the behavior and display of information on the Map
page such as: Orientation, North Up Above, Auto Zoom, Nav Range Ring, Topo
Scale, Obstacle Range, and Restore Defaults. The default values are shown in bold
type.
Feature
Selection
North Up, Track Up, Heading Up
Off, 10 NM, 15 NM, 25 NM, 40 NM, 50 NM, 75 NM,
North Up Above
100 NM, 150 NM, 250 NM
Off, 2.5 NM, 4 NM, 5 NM, 7.5 NM,10 NM,
Visual APPR Selector
15 NM,25 NM
Auto Zoom
Off, On
250 ft, 400 ft, 500 ft, 750 ft, 1000 ft, 1500 ft, 2500 ft,
0.5 NM, 0.75 NM, 1 NM, 1.5 NM, 2.5 NM, 4 NM, 5
Auto Zoom Min
NM, 7.5 NM, 10 NM, 15 NM, 25 NM, 40 NM, 50 NM,
75 NM, 100 NM, 150 NM, 250 NM, 400 NM
250 ft, 400 ft, 500 ft, 750 ft, 1000 ft, 1500 ft, 2500 ft,
0.5 NM, 0.75 NM, 1 NM, 1.5 NM, 2.5 NM, 4 NM, 5 NM,
Auto Zoom Max
7.5 NM, 10 NM, 15 NM, 25 NM, 40 NM, 50 NM,
75 NM, 100 NM, 150 NM, 250 NM, 400 NM
OFF, 30 SEC, 60 SEC, 2 MIN, 5 MIN, 10 MIN, 20 MIN
Track Vector Length
Altitude Constraints
Off, Selected Only, Selected & Active, All
Nav Range Ring
Off, On
Fuel Range Ring
Off, On
Fuel Reserve Time
30 MIN, 45 MIN, 60 MIN, 90 MIN
Topo Scale
Off, On
Point Obstacle Range
Off, 4 NM, 5 NM, 7.5 NM, 10 NM, 15 NM
Wire Obstacle Range
Off, 1 NM, 1.5 NM, 2.5 NM
Selected ALT Range Arc Off, On
Restore Defaults
Returns values to original factory settings
Orientation
Table 8-2 Map Setup Map Options
Foreword
Getting
Started
Audio &
Xpdr Ctrl
Com/Nav
FPL
Direct-To
Proc
Wpt Info
Map
Traffic
Terrain
Weather
Nearest
Services/
Music
Utilities
System
Messages
Symbols
Appendix
Index
190-01004-03 Rev. P
GTN 625/635/650 Pilot’s Guide
8-11
Selected Altitude Range Arc
Foreword
NOTE: Requires a Garmin Display Unit (GDU). This feature is available
in software v6.60 and later.
Enabling the Selected ALT Range Arc setting places a cyan arc in front of the
aircraft symbol. This arc represents the location at which the aircraft is expected
to reach the selected altitude.
Getting
Started
Audio &
Xpdr Ctrl
Com/Nav
FPL
Selected ALT
Range Arc
Direct-To
Proc
Wpt Info
Figure 8-27 Selected ALT Range Arc
Map
Traffic
Restore Defaults
Returns values to the original factory settings.
Terrain
Weather
Nearest
Services/
Music
Utilities
System
Messages
Symbols
Appendix
Index
190-01004-03 Rev. P
GTN 625/635/650 Pilot’s Guide
8-21
ADS-B and
TCAD Status and
Altitude Filter
Touch to View
Traffic Menu
Touch Icon for Info
Map
Orientation
Selected
Traffic Info
Alerted Target,
1,200 ft Above
and Climbing
Range Ring
Radius
Touch for
Next Target
Getting
Started
Audio &
Xpdr Ctrl
Com/Nav
FPL
Traffic Traffic Motion
Selected Vector
Annunciation
Motion and Duration
Vector
Figure 9-19 Traffic Page for Ryan TCAD with GDL 88
9.6.2
Foreword
Direct-To
Altitude Mode
The GDL 88 has four altitude display modes: Normal (±2,700 feet, Above
(-2,700 feet to +9,900 feet), Below (-9,900 feet to +2,700 feet), and Unrestricted
(±9,900 feet). The GDL 88 continues to track up to 30 intruder aircraft within its
maximum surveillance range, regardless of the altitude display mode selected.
The selected altitude display mode is displayed in the upper left-hand corner
of the Traffic page.
The Altitude Filter limits the traffic displayed to the Below,
Normal, Above or Unrestricted altitude block as listed in the
“Displayed Traffic Range” table. The filter altitudes are relative
to ownship altitude. While viewing the Traffic page, touch the
Altitude Filter key to change the altitude filter value. Select
the desired altitude filter by touching the BELOW, NORMAL,
ABOVE, or UNRESTRICTED keys. The selection is displayed
in the Altitude mode field.
Proc
Wpt Info
Map
Traffic
Terrain
Weather
Nearest
Services/
Music
Utilities
Selected Altitude
Filter
System
Messages
Symbols
Appendix
Figure 9-20 Traffic Altitude Filter Selection
190-01004-03 Rev. P
GTN 625/635/650 Pilot’s Guide
Index
9-25
11.1.1
Displaying SiriusXM Weather
To display SiriusXM weather touch the following sequence of keys starting
from the Home page.
1. Touch the Weather key on the Home page and then touch
the Data Link key.
Foreword
Getting
Started
Audio &
Xpdr Ctrl
Com/Nav
Age of Selected
Weather
Products
Selected
Altitude
FPL
Direct-To
Proc
Touch + or - to
Select Altitude
Figure 11-4 SiriusXM Weather Page
Wpt Info
2. While viewing the Data Link weather page, touch the Menu
key to configure the Data Link Weather page.
Map
Traffic
Terrain
Weather Overlay
Map Orientation
Weather
Touch Keys to
Select Weather
Product
Green Bar
Indicates
Selected Product
Touch Legend Key
to Display Legend
Nearest
Services/
Music
Utilities
Figure 11-5 Weather Data Link Menu
3. Once you have selected what items you want to display, touch
BACK to return to the Data Link Weather page.
System
Messages
Symbols
Appendix
Index
190-01004-03 Rev. P
GTN 625/635/650 Pilot’s Guide
11-3
NOTE: The unit displays valid times on the weather map in lieu of product
age indications for SiriusXM Weather Icing Potential, Winds Aloft, and
Turbulence weather products.
NOTE: The unit displays product age for SiriusXM Weather Freezing Level
and Canada Winds Aloft weather products. The product age indication
represents the number of minutes that have elapsed since the weather
product was provided by SiriusXM Weather. The unit does not display the
valid times assigned to the information within these products.
11.1.5
Foreword
Getting
Started
Audio &
Xpdr Ctrl
Com/Nav
FPL
NEXRAD
WSR-88D, or NEXRAD (NEXt-generation RADar), is a network of 158
high-resolution Doppler radar systems that are operated by the National Weather
Service (NWS). NEXRAD data provides centralized meteorological information
for the continental United States and selected overseas locations. The maximum
range of a single NEXRAD radar site is 250 NM. The NEXRAD network provides
important information about severe weather for air traffic safety.
NEXRAD data is not real-time. The lapsed time between collection,
processing, and dissemination of NEXRAD images can be significant and may
not reflect the current radar synopsis. Due to the inherent delays and the relative
age of the data, it should be used for long-range planning purposes only. Never
use NEXRAD data for maneuvering in, near, or around areas of hazardous
weather. Instead, use it in an early-warning capacity of pre-departure and en
route evaluation.
NEXRAD weather radar displays a mosaic of precipitation data, colored
according to reflectivity. Composite reflectivity images depict the highest radar
energy received from multiple antenna tilt angles at various altitudes. Base
reflectivity images depict returns from the lowest antenna tilt angle.
NOTE: Due to similarities in color schemes, the display of Echo Tops cannot
be shown with Cloud Tops and NEXRAD.
Direct-To
Proc
Wpt Info
Map
Traffic
Terrain
Weather
Nearest
Services/
Music
Utilities
System
Messages
Symbols
Appendix
Index
190-01004-03 Rev. P
GTN 625/635/650 Pilot’s Guide
11-7
1. While viewing the SiriusXM Weather menu, touch the NEXRAD
key to display the NEXRAD selections.
Foreword
Getting
Started
Audio &
Xpdr Ctrl
Com/Nav
FPL
Figure 11-9 SiriusXM NEXRAD Weather Selection
Direct-To
NOTE: Depending on the SXM service and installed GDL hardware, radar
base reflectivity imaging may have broader coverage within North America
or be limited to only Canada.
Proc
Wpt Info
2. Touch the desired NEXRAD source selection and then the
Back key to view the weather information.
Map
Traffic
Age of Selected
Weather Products
Terrain
Weather
NEXRAD
Weather
Nearest
Services/
Music
Figure 11-10 NEXRAD Weather
Utilities
System
Messages
Symbols
Appendix
Figure 11-11 NEXRAD Weather Legend
Index
11-8
GTN 625/635/650 Pilot’s Guide
190-01004-03 Rev. P
Foreword
Getting
Started
Audio &
Xpdr Ctrl
Com/Nav
11.1.18 Icing
The Icing product provides information about the current icing environment
and where it may occur between 1,000 feet and 30,000 feet in 3,000 foot
increments. Supercooled Large Droplets (SLD) Icing provides an alert to the
potential for freezing rain due to the presence of large, supercooled water
droplets. SLD data is shown between 1,000 feet and 30,000 feet in 3,000 foot
increments.
1. While viewing the Data Link Weather menu, touch the
Icing key.
FPL
Direct-To
Proc
Icing Potential
Shading
Wpt Info
Selected
Icing Altitude
Map
SLD Threat
Present Position
Touch to Select
Icing Altitude
Traffic
Figure 11-42 Icing
2. Touch the WX Aloft ALT – or + keys to increase or decrease
the reporting altitude of icing in 3,000 foot increments. The
selected altitude is shown in a window above the altitude keys.
Terrain
Weather
3. Touch the Icing key again to turn it off.
Nearest
G3 SiriusXM
Services/
Music
G4 SiriusXM
Utilities
System
Messages
Figure 11-43 Icing Legend
Symbols
Appendix
Index
11-24
GTN 625/635/650 Pilot’s Guide
190-01004-03 Rev. P
Foreword
Getting
Started
Audio &
Xpdr Ctrl
Com/Nav
NEXRAD
FPL
Off
CONUS
Regional
Combined
Cloud Tops
Icing
Turbulence
Wind/Temp Aloft
Direct-To
Proc
1,000 ft ... 45,000 ft
Wpt Info
Lightning
METAR
PIREP
SIGMET
Center WX Advisory
G-AIRMET
Map
Traffic
Terrain
Off
Weather
Current (Auto)
All Forecasts
G-AIRMET Filters
Orientation
Nearest
Track Up
Services/
Music
Datalink Status
Legend
Utilities
Heading Up
North Up
Figure 11-74 FIS-B Weather Functional Diagram
WARNING: Do not use the indicated data link weather product age to
determine the age of the weather information shown by the data link
weather product. Due to time delays inherent in gathering and processing
weather data for data link transmission, the weather information shown by
the data link weather product may be significantly older than the indicated
weather product age.
System
Messages
Symbols
Appendix
Index
11-48
GTN 625/635/650 Pilot’s Guide
190-01004-03 Rev. P
11.4.1
FIS-B Operation
Weather data reception time is shown in the upper right corner of the screen.
An indicated time shows if the aircraft is currently within reception coverage
of a ground station with weather broadcast capabilities. The ground system
determines the weather coverage area and extent of data that is transmitted by
each ground station.
Due to similarities in depiction, the following FIS-B Weather products are
mutually exclusive: NEXRAD, Cloud Tops, Icing, Turbulence, Winds and
Temperatures Aloft, and Lightning.
1. From the Home page, touch the Weather key on the Home
page and then touch the FIS-B Weather key (if necessary).
Foreword
Getting
Started
Audio &
Xpdr Ctrl
Com/Nav
FPL
Direct-To
Proc
Age of Selected
Weather Products
NEXRAD
Selection
Touch + or - to
Select Map Range
Figure 11-75 FIS-B Weather Page (NEXRAD Key Shown)
2. While viewing the FIS-B Weather page, touch the Menu key
to configure the Data Link Weather page.
Wpt Info
Map
Traffic
Terrain
Weather
Touch Keys to
Select Weather
Product
Green Bar
Indicates Selected
Product
Weather Overlay
Map Orientation
Touch to View
Datalink Status
Touch Legend Key
to Display Legend
Nearest
Services/
Music
Utilities
Figure 11-76 FIS-B Weather Data Link Menu
3. Once you selected what items you want to display, touch BACK
to return to the FIS-B Weather page.
System
Messages
Symbols
Appendix
Index
190-01004-03 Rev. P
GTN 625/635/650 Pilot’s Guide
11-49
Foreword
11.4.2
FIS-B NEXRAD
WARNING: Never use NEXRAD weather for maneuvering in, near, or
around areas of hazardous weather. NEXRAD images are snapshots of past
weather data. They are not safe for use as real time depictions of nearby
weather activity.
Getting
Started
Audio &
Xpdr Ctrl
Com/Nav
CONUS NEXRAD
Coverage Shown
FPL
Direct-To
Figure 11-77 FIS-B CONUS NEXRAD
Proc
Wpt Info
Map
Traffic
Terrain
Weather
Out of CONUS
NEXRAD
Coverage
CONUS Selected
on NEXRAD Key
NEXRAD weather radar displays a mosaic of precipitation data, colored
according to reflectivity. Composite reflectivity images depict the highest radar
energy received from multiple antenna tilt angles at various altitudes. Base
reflectivity images depict radar returns from the lowest antenna tilt angle.
Per AC 00-63A, FIS-B CONUS and Regional NEXRAD are composite reflectivity
images.
The precipitation intensity level reflected by each pixel represents the highest
level of composite radar reflectivity data sampled in that location.
Out of Regional
NEXRAD
Coverage
Nearest
Within Regional
NEXRAD Area
but Coverage
Not Available
Services/
Music
Utilities
Regional Selected
on NEXRAD Key
Figure 11-78 Regional NEXRAD
System
Messages
Symbols
A clear understanding of ground-based Doppler weather radar capabilities will
allow you to interpret the NEXRAD weather imagery in the safest way possible.
The National Oceanic and Atmospheric Administration hosts a description of
the technology on its website: https://www.weather.gov/jetstream/doppler_intro
Appendix
Index
11-50
GTN 625/635/650 Pilot’s Guide
190-01004-03 Rev. P
11.4.2.1
Radar Data Animations
Foreword
NOTE: Animated NEXRAD functionality is available in software v6.00 and
later.
To depict trending weather movements over time, an animation
function stitches the last three to six received radar images
together in sequence, from oldest to newest, and replays them on
a continuous loop.
Play and stop controls are active when three or more NEXRAD
images are available for playback.
11.4.2.2
CONUS and Regional NEXRAD
To depict trending weather movements over time, an animation function
stitches the last three to six received radar images together in sequence, from
oldest to newest, and replays them on a continuous loop.
Regional NEXRAD
Boundary Shown
Getting
Started
Audio &
Xpdr Ctrl
Com/Nav
FPL
Direct-To
Proc
Wpt Info
Map
Out Of CONUS
NEXRAD Coverage
Traffic
Terrain
CONUS &
Regional
Selected on
NEXRAD Key
NEXRAD Weather
Shown
Weather
Nearest
Figure 11-79 FIS-B CONUS and Regional NEXRAD Combined
Depending on the locations of received FIS-B ground stations, Regional
NEXRAD coverage can extend as far as 250 nm around an aircraft’s position.
Aircraft flying at higher altitudes typically receive data from more ground
stations than aircraft flying at low altitudes.
FIS-B NEXRAD does not differentiate between liquid and frozen precipitation
types.
Services/
Music
Utilities
System
Messages
Symbols
Appendix
Index
190-01004-03 Rev. P
GTN 625/635/650 Pilot’s Guide
11-51
Foreword
Getting
Started
Source options are selectable from the weather setup menu or the NEXRAD
key at the bottom left of the FIS-B Weather page. The key label changes to reflect
the active source.
CONUS
Regional
Combined
Audio &
Xpdr Ctrl
Com/Nav
FPL
Direct-To
Type
Description
CONUS
• Large, low-resolution weather image for the entire continental
U.S.
Proc
Wpt Info
Regional
Map
• Pixels are 7.5 min (7.5 nm = 13.89 km) wide by 5 min
(5 nm = 9.26 km) wide
• High-resolution weather image with limited range, centered
around each broadcasting ground station
• Pixels are 1.5 min (1.5 nm = 2.78 km) wide by 1 min
(1 nm = 1.852 km) tall
Traffic
• Each weather pixel varies with latitude. Above 60º latitude,
pixel block width doubles to 3 min/nm for regional maps
Combined • Both CONUS and Regional NEXRAD images display
simultaneously
Terrain
Weather
Nearest
• White hash mark indicates regional boundary
Services/
Music
• Animation functionality not available
Table 11-4 FIS-B NEXRAD Types
Utilities
System
Messages
Symbols
Appendix
Index
11-52
GTN 625/635/650 Pilot’s Guide
190-01004-03 Rev. P
11.4.2.3
NEXRAD Abnormalities
There are possible abnormalities regarding displayed NEXRAD images. Some,
but not all, causes of abnormal displayed information include:
• Ground Clutter
Foreword
Getting
Started
Audio &
Xpdr Ctrl
• Strobes and spurious radar data
• Sun strobes, when the radar antenna points directly at the sun
Com/Nav
• Military aircraft deploy metallic dust which can cause alterations in radar
scans
• Interference from buildings or mountains, which may cause shadows
• Scheduled maintenance may put a radar off-line
FPL
Direct-To
Proc
Affected Areas
Wpt Info
Any area in the continental United States (CONUS) or Alaska where the
distance from ADS-B ground stations, or the combined effect of distance and
low altitude, is sufficiently great may cause poor reception. To find the latest
ground station coverage, visit faa.gov.
Map
Traffic
Reception will improve in some affected areas as the FAA completes the
NextGen ADS-B ground station infrastructure. However, due to line-of-sight
broadcast characteristics, operators with properly installed and functioning
equipment may still receive incomplete FIS-B data when signal reception is
limited by the distance from ground stations combined with a low altitude.
Weather
The example below displays an area where FIS-B data is degraded due to
poor reception:
Services/
Music
Terrain
Nearest
Utilities
System
Messages
Symbols
Appendix
Index
190-01004-03 Rev. P
GTN 625/635/650 Pilot’s Guide
11-53
Foreword
The example below displays an area where FIS-B data is degraded due to
poor reception:
Getting
Started
Audio &
Xpdr Ctrl
Com/Nav
No Coverage
No Coverage
FPL
Direct-To
Figure 11-80 FIS-B Reception Unavailable
Proc
NOTE: No coverage areas are semi-transparent in software v6.60
and later.
Wpt Info
Map
Selecting NEXRAD in the FIS-B Weather Menu
Traffic
1. While viewing the FIS-B Weather page, touch the Menu key
to select the NEXRAD choice.
Terrain
2. Touch the NEXRAD key to select Off, Regional, CONUS, or
Combined NEXRAD.
Weather
Nearest
Touch the Desired
NEXRAD Source
Services/
Music
Utilities
Figure 11-81 NEXRAD Source Selection
System
3. Touch the Back key to return to the FIS-B Weather Menu.
Messages
Symbols
Appendix
Index
11-54
GTN 625/635/650 Pilot’s Guide
190-01004-03 Rev. P
Foreword
Getting
Started
Audio &
Xpdr Ctrl
Com/Nav
11.4.4
Cloud Tops
Cloud tops indicate the altitude of the highest visible portions of a cloud at
the time of measurement.
FIS-B cloud top data is generated by a computer model and has limited
accuracy compared to actual conditions.
Due to similarities in color schemes, this product is mutually exclusive with
Echo Tops.
FPL
Direct-To
Proc
Wpt Info
Map
Figure 11-84 FIS-B Cloud Tops
Traffic
1. While viewing the FIS-B Weather menu, touch the
Cloud Tops key.
Terrain
Weather
Nearest
11.4.5
Lightning
FIS-B lightning strikes display as a lightning bolt.
Services/
Music
Utilities
System
Messages
Symbols
Figure 11-85 FIS-B Lightning
1. While viewing the FIS-B Weather menu, touch the
Lightning key.
Appendix
Index
11-56
GTN 625/635/650 Pilot’s Guide
190-01004-03 Rev. P
Foreword
Getting
Started
Audio &
Xpdr Ctrl
11.4.7
FIS-B SIGMETs and Textual AIRMETs
SIGMETs (SIGnificant METerological Information) and AIRMETs (AIRmen’s
METerological Information) are broadcast for potentially hazardous weather
considered of importance to aircraft. The update rate is approximately every 20
minutes.
Com/Nav
FPL
Direct-To
Proc
Figure 11-87 FIS-B SIGMET/AIRMET Legend
Wpt Info
1. While viewing the FIS-B Weather menu, touch the SIGMET
AIRMET key.
Map
Traffic
Terrain
Surface Winds
Turbulence Line
Weather
Mountain Obscured
Figure 11-88 FIS-B SIGMETs and AIRMETs Map
Nearest
2. Touch a SIGMET/AIRMET line to view details. Touch the Back
key to return to the Weather display.
Services/
Music
Utilities
System
Messages
Figure 11-89 SIGMET and AIRMET Details
Symbols
3. Touch the SIGMET/AIRMET key again to turn it off.
Appendix
Index
11-58
GTN 625/635/650 Pilot’s Guide
190-01004-03 Rev. P
11.4.8
Graphical AIRMETs
Foreword
Graphical AIRMETs (G-AIRMETs) display more weather phenomena than
textual AIRMETs, while eliminating the need to interpret raw text. Updates
occur four times daily. Filtering options allow you to mitigate page clutter.
Forecast Settings
Getting
Started
Audio &
Xpdr Ctrl
Current (Auto): Displays active graphical records based on the current
UTC. The function automatically switches from 0 hr to 3 hr forecasts.
Com/Nav
All Forecasts: Displays the most recent, non-expired graphical records.
FPL
Off: Turns the G-AIRMETs product off.
Direct-To
Forecast Periods are 0 hr, 3 hr, and 6 hr.
Proc
Wpt Info
Map
Traffic
Figure 11-90 FIS-B G-AIRMET Forecast Settings
Filter Settings
Terrain
Filters include: Freezing Level, Icing, IFR, Low-level Wind Shear, Mountain
Obscuration, Surface Winds, and Turbulence.
Weather
Nearest
Services/
Music
Utilities
Figure 11-91 FIS-B G-AIRMET Filters
System
Viewing Graphical AIRMETs
1. While viewing the FIS-B Weather menu, touch the
G-AIRMET key.
Messages
Symbols
Appendix
Index
190-01004-03 Rev. P
GTN 625/635/650 Pilot’s Guide
11-59
Foreword
Getting
Started
Audio &
Xpdr Ctrl
Com/Nav
FPL
Figure 11-92 FIS-B G-AIRMETs
Direct-To
2. Select between Current (Auto), All Forecasts, or Off.
Proc
3. Select one or more filters.
4. Touch a G-AIRMET line to view details. Touch the
Back key to return to the Weather display.
Wpt Info
Map
Traffic
Terrain
Weather
Nearest
Figure 11-93 G-AIRMET Details
Services/
Music
Utilities
System
Messages
Symbols
Appendix
Index
11-60
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190-01004-03 Rev. P
11.4.9
Center Weather Advisory
Foreword
These advisories communicate en route and terminal weather conditions
expected to occur within the next two hours.
Information is valid for up to 2 hours.
Getting
Started
Audio &
Xpdr Ctrl
Com/Nav
FPL
Direct-To
Proc
Wpt Info
Map
Figure 11-94 FIS-B Center Weather Advisory
1. While viewing the FIS-B Weather menu, touch the
Center WX Advisory key.
4. To u c h a C WA l i n e t o v i e w d e t a i l s. To u c h t h e
Back key to return to the Weather display.
Traffic
Terrain
Weather
Nearest
Services/
Music
Utilities
System
Messages
Symbols
Appendix
Index
190-01004-03 Rev. P
GTN 625/635/650 Pilot’s Guide
11-61
Foreword
Getting
Started
Audio &
Xpdr Ctrl
11.4.10 FIS-B Winds and Temperatures Aloft
Winds and Temperatures Aloft data shows the forecast wind speed, direction,
and Temperature at selected altitudes. Altitudes can be selected in increments
from the 1,000 feet up to 53,000 feet. The update rate is every 12 hours.
1. While viewing the Data Link Weather menu, touch the
Wind/Temp Aloft key.
Com/Nav
FPL
Direct-To
Proc
Wpt Info
Map
Figure 11-95 Winds Aloft
Traffic
Terrain
2. Touch the WX ALT – or + keys to increase or decrease the
reporting altitude of the winds aloft in increments. The selected
altitude is shown in a window above the altitude keys.
Weather
3. Touch the Wind/Temp Aloft key again to turn it off.
Nearest
Services/
Music
Utilities
System
Messages
Symbols
Appendix
Index
11-62
GTN 625/635/650 Pilot’s Guide
190-01004-03 Rev. P
11.4.11 Icing
Foreword
NOTE: Due to the incremental and overlapping nature of the FIS broadcast,
timestamps, regional coverage, and map data availability may vary with
altitude for computer generated icing forecasts.
Icing potential is not a forecast, but a presentation of icing potential at the
time of analysis. For FIS-B, the icing timestamp shows the valid time in UTC.
Supercooled Large Droplet (SLD) icing conditions are characterized by the
presence of relatively large, super cooled water droplets indicative of freezing
drizzle and freezing rain aloft. SLD threat areas are depicted as black and pink
blocks over the icing colors.
The icing potential shows a graphic view of the current icing conditions.
Categories vary depending on the configured weather source. For FIS-B, they
include: Trace, Light, Moderate, and Heavy.
Altitude Range: 2,000 to 24,000 ft.
Getting
Started
Audio &
Xpdr Ctrl
Com/Nav
FPL
Direct-To
Proc
Wpt Info
Map
Traffic
Terrain
Weather
Nearest
Services/
Music
Figure 11-96 FIS-B Icing
1. While viewing the FIS-B Weather menu, touch the
Icing key.
Utilities
System
Messages
Symbols
Appendix
Index
190-01004-03 Rev. P
GTN 625/635/650 Pilot’s Guide
11-63
Foreword
11.4.12 Turbulence
NOTE: Due to the incremental and overlapping nature of the FIS broadcast,
timestamps, regional coverage, and map data availability may vary with
altitude for FIS-B turbulence forecasts.
Getting
Started
Audio &
Xpdr Ctrl
Com/Nav
FPL
Turbulence is classified as light, moderate, severe, or extreme. Turbulence
data is intended to supplement AIRMETs and SIGMETs.
For FIS-B, the turbulence timestamp shows the valid time in UTC.
Altitude Range: 2,000 to 24,000 ft (at 2,000 ft intervals).
Direct-To
Proc
Wpt Info
Map
Traffic
Figure 11-97 FIS-B Turbulence
Terrain
1. While viewing the FIS-B Weather menu, touch the
Turbulence key.
Weather
Nearest
Services/
Music
Utilities
System
Messages
Symbols
Appendix
Index
11-64
GTN 625/635/650 Pilot’s Guide
190-01004-03 Rev. P
11.4.13 FIS-B PIREPs
Foreword
Pilot Weather Reports (PIREPs) provide timely weather information. When
significant weather conditions are reported or forecast, Air Traffic Control (ATC)
facilities are required to solicit PIREPs. A PIREP may contain non-forecast
adverse weather conditions, such as low in-flight visibility, icing conditions,
wind shear, and turbulence. PIREPs are issued as either Routine (UA) or Urgent
(UUA). The update rate is approximately every 20 minutes.
1. While viewing the FIS-B Weather page, touch the Menu key
to select the PIREP choice.
2. Touch the PIREP key to toggle PIREPs on or off.
3. Touch a weather information symbol to view details for that
item.
Getting
Started
Audio &
Xpdr Ctrl
Com/Nav
FPL
Direct-To
Proc
Wpt Info
Map
Routine PIREP
Symbol (Blue).
Touch for Details.
Traffic
Terrain
Weather
PIREP Details
Nearest
Services/
Music
Utilities
System
Messages
Figure 11-98 PIREP Information Detail and Legend
4. Touch the Back key to remove the detailed information.
Symbols
Appendix
5. Touch the PIREP key again to turn it off.
Index
190-01004-03 Rev. P
GTN 625/635/650 Pilot’s Guide
11-65
15.4.6.3
GTN-G3X Touch Crossfilling
Foreword
NOTE: Requires pilot activation on both the GTN and the G3X Touch.
This feature is available in software v6.60 and later.
When this function is enabled by the pilot, active flight plan navigation is crossfilled
with the G3X Touch. It is recommended that all flight plan edits be made using the
G3X Touch when this function is active.
1. W h i l e v i e w i n g t h e S y s t e m S e t u p p a g e, t o u c h
External FPL XFILL to toggle between Enabled and Disabled
Crossfill with the G3X Touch.
2. Ensure that the crossfilling function on G3X Touch is active.
Getting
Started
Audio &
Xpdr Ctrl
Com/Nav
FPL
Direct-To
Proc
Wpt Info
Map
Traffic
Terrain
Weather
Nearest
Services/
Music
Utilities
System
Messages
Symbols
Appendix
Index
190-01004-03 Rev. P
GTN 625/635/650 Pilot’s Guide
15-27
Foreword
Getting
Started
Audio &
Xpdr Ctrl
Com/Nav
FPL
Direct-To
Proc
Wpt Info
Map
Traffic
Terrain
Weather
Message
Description
FLIGHT PLAN
IMPORT Changes to the
active route are
disabled.
FLIGHT PLAN
IMPORT - GDU
disconnected.
External flight
plan crossfill
inoperative.
FPL WAYPOINT
LOCKED Stored flight plan
waypoint is not in
current navigation
database.
FPL WPT MOVED Stored flight plan
waypoint has
changed location.
Unit receives a flight
plan from G3X Touch,
but the External FPL
Crossfill function is off.
Enable the External FPL Crossfill
function.
Home > System > Setup >
External FPL Xfill.
Communication with
the G3X Touch is lost.
Verify that the GDU is on.
Contact dealer for service.
A stored flight plan
waypoint is no longer in
the current navigation
database.
Verify stored cataloged flight plans
and procedures. Modify stored
flight plans as necessary to include
waypoints that are in the current
navigation database.
A stored flight plan
waypoint has moved
by more than 0.33 arc
minutes from where
previously positioned.
Verify stored cataloged flight plans
and procedures. Modify stored
flight plans as necessary to include
waypoints that are in the current
navigation database.
Fly an approach that does not use
the glideslope receiver (VOR, LOC,
GPS). Contact dealer for service.
Nearest
Services/
Music
Utilities
System
Messages
Symbols
The glideslope board
GLIDESLOPE Glideslope receiver is not communicating
property with the
has failed.
system.
The glideslope board is
GLIDESLOPE Glideslope receiver indicating that it needs
service. The glideslope
needs service.
board may continue to
function.
Appendix
Action
Verify glideslope deviation
indications with another source
and crosscheck final approach
fix crossing altitude. If another
glideslope source is not available
for verification, fly a GPS based
approach. Contact dealer for
service.
Index
16-10
GTN 625/635/650 Pilot’s Guide
190-01004-03 Rev. P
© 2019 Garmin Corporation
flyGarmin.com
April 2019
190-01004-1A Rev. A
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