| Subject |
Date |
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| Erroneous 'GWX SERVICE' Message may be displayed |
November 6, 2009 |
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|
| The SVT Pathways function may be affected by an approach downgrade from a GPS/WAAS approach with vertical guidance (LPV, LNAV/VNAV, or LNAV +V) to a GPS/WAAS approach with lateral-only GPS guidance (LNAV). |
October 1, 2009 |
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|
| The purpose of this advisory is to describe the need to upgrade GNS 480 (CNX80) units with Software Version 2.0 or earlier to Software Version 2.3. |
September 10, 2009 |
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|
| Garmin has discovered an issue whereby the navigation system may provide incorrect
CDI guidance and active leg indication on the navigation map while flying a published
terminal procedure. |
August 27, 2009 |
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|
| If the CDI Synchronization function is enabled, the system may select NAV2 as the navigation source for the CDI when automatically switching from GPS to LOC during a localizer or ILS approach. |
July 29, 2009 |
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|
| Changes to navigation frequencies that occur between navigation database cycle distributions may cause a mismatch between the automatically tuned VOR/LOC/ILS frequency and the frequency shown on the approach chart or applicable NOTAM. |
July 6, 2009 |
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|
| Using the 'Delete All' menu option to delete all flight plans or all user waypoints may
cause Red-X failure indications to appear momentarily in any data field(s), including primary flight data fields, on the PFD(s)/MFD. |
July 2, 2009 |
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|
| SBAS Operations in Australia, New Zealand and South Pacific Regions |
May 29, 2009 |
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|
| Possible temporary loss of heading/attitude information in Garmin Integrated Flight Deck and G600 Systems following extended power-on stall maneuvers. |
May 1, 2009 |
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|
| This Service Advisory is intended to clarify operation of Garmin's GPS navigation systems with regard to certain non-precision approach procedures. |
April 29, 2009 |
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|
| Possible AFCS (Automatic Flight Control System) failure in Garmin Integrated Flight Deck Systems using GIA SW v5.80 and v5.81. |
March 18, 2009 |
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|
| This Service Advisory is to inform 400W/500W users of the operational changes that will appear after the configuration change described in Installation Bulletin 0903 has been performed. |
February 25, 2009 |
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|
| Garmin Integrated Flight Deck systems may display a DME failure indication (Red-X) upon power-up if the Honeywell KN63 DME is not receiving a valid DME signal. |
February 23, 2009 |
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|
| A condition has been identified whereby the Pathways feature of Synthetic Vision
Technology (SVT) may depict the leg immediately preceding glidepath interception at an
altitude higher than is published for an approach. |
January 21, 2009 |
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|
| When the display backlighting is set to the maximum level and the GMX 200 is operating in high
temperatures there may be a noticeable color shift to some of the colors displayed on the unit. If a change in colors does occur, reducing the backlight intensity will resolve the issue. |
December 4, 2008 |
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|
| This service advisory explains the firmware upgrade for Flybuddy GPS systems, Model 2001 GPS
systems, and Model 2001 and 2001D systems with the 2020 Remote GPS Sensor. It also explains the
procedure for returning affected units to Garmin AT for the firmware upgrade. |
October 29, 2008 |
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|
| Garmin has identified an issue with the operation of 400W / 500W Series Units and VNAV guidance:
When the operator performs a "direct-to" operation to one of the waypoints in the active flight plan and then sets up a vertical navigation profile (VNAV) to any point in the flight plan, the unit may not generate VNAV guidance or it may generate inaccurate VNAV guidance messages. |
October 29, 2008 |
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|
| In GDU 620 version 2.01 software, ILS glideslope information will only be displayed if the GDU 620 has valid GPS position information. On the PFD, glideslope information is displayed immediately to the left of the VSI indicator, as shown below. The display of localizer information is not affected. |
October 27, 2008 |
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|
| Garmin has identified an issue that is infrequently encountered when entering or changing a G1000 Transponder Flight Identification (ID) number using the Primary Flight Display (PFD) entry method. |
October 23, 2008 |
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|
| It has been reported to Garmin that operators using Garmin GPS/WAAS equipped units have been
experiencing GPS/WAAS receiver resets, resulting in a temporary loss of navigation. The problem may
occur only during certain satellite conditions and only in latitudes north of 60°N that include WAAS coverage. These occurrences are related to the receiver's interaction with the newly expanded WAAS coverage in Alaska and Northern Canada. |
October 3, 2008 |
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|
| Garmin has identified a need to clarify the functionality of the GNS 480 "Fuel Low" Alert. |
September 24, 2008 |
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|
| All Garmin Integrated Flight Deck systems with Synthetic Vision Technology (SVT)
installed are affected by the potential display of cropped traffic symbols.
Garmin Integrated Flight Deck systems with GDU Software v9.00 to v9.02 with SVT
installed are affected by the potential for traffic displayed by SVT to be affected by
differences in barometric altitude vs. GPS altitude. |
September 9, 2008 |
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|
| During an approach to an airport where field elevation is significantly different than the
runway elevation, the SVT runway on the PFD will be depicted higher or lower than the actual runway. |
September 8, 2008 |
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|
| Users of the Garmin AT legacy Model 819, Model 820 Flybuddy GPS, and TSO-C115b Model 2001/2101
Systems with GPS sensors have been experiencing degraded operation since Sunday, August 17, 2008. |
August 29, 2008 |
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|
| Garmin has discovered an issue that may cause the system to select and display an incorrect course indication when activating an instrument approach procedure. |
August 19, 2008 |
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|
| Garmin has identified an issue, whereby the large (outer) BARO knob and the small (inner) CRS knob may interfere with each other. |
August 5, 2008 |
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|
| LPV and LNAV/VNAV Approaches With Three-Character Airport Identifiers |
July 22, 2008 |
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|
| Rev B with Service Letter attached. Garmin has identified an issue concerning the Terrain Database, whereby Forward Looking Terrain Avoidance (FLTA) alerts are not available when flying over the open ocean/sea (specifically any body of water at sea level). The TERRAIN/TERRAIN-SVS feature functions properly in all other locations. |
June 24, 2008 |
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|
| Garmin has identified that GMX 200 TERRAIN (Non-TAWS) alerts are not available when flying over the open ocean/sea (specifically any body of water at sea level). The TERRAIN Function operates properly at all other locations. |
June 5, 2008 |
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|
| Garmin has identified an issue, whereby the GNS 400/500 COM receiver may become garbled. |
June 3, 2008 |
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|
| Rev B with Service Letter attached.
Garmin has identified an issue concerning the Terrain Database, whereby TAWS-B
Forward Looking Terrain Avoidance (FLTA) alerts are not available when flying over the
open ocean/sea (specifically any body of water at sea level). TAWS-B functions properly in all other locations. |
June 2, 2008 |
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|
| Garmin has identified an issue where the G1000/G900X/GNS 400W Series/GNS 500W
Series units may suspend automatic flight plan leg sequencing. |
April 21, 2008 |
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|
| Some G1000 Pilot's Guides suggest that Jeppesen NavData can be loaded onto
Garmin supplemental data cards. Due to issues encountered with loading Jeppesen
NavData database information onto Garmin 010-00330-41 or 010-00330-42
supplemental data cards, Garmin no longer recommends this procedure. |
February 6, 2008 |
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|
| Garmin has identified an issue where a G1000/G900X interfaced to a non-Garmin
analog autopilot can incorrectly NAV-couple and/or remain NAV-coupled to a VOR
signal that is flagged. This condition is limited to VOR tracking. |
January 28, 2008 |
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|
| 430W/530W Series and G1000 WAAS GPS CDI Scaling |
December 19, 2007 |
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|
| Setting the ILS CDI CAPTURE to 'Manual' on the CDI/ALARMS AUX page of the
Garmin 400W/500W unit is recommended to disable the automatic switching of the
navigation source (as when the ILS CDI CAPTURE setting is 'Auto'). |
October 17, 2007 |
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|
| Garmin has identified an internal component that may cause failure of the GRS 77 resulting in the loss of attitude and heading information in G1000-equipped aircraft. This failure condition, should it occur, will be immediately recognizable by the accompanying red "x" that is displayed in the absence of attitude and heading data. |
August 16, 2007 |
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|
| Affected aircraft use a Calculated Fuel Range Field that works correctly only when the Distance/Speed Display Unit Field on the AUX - System Setup Page is set to NAUTICAL (NM, KT). |
August 15, 2007 |
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|
| Garmin has identified a condition whereby the GWX 68 weather radar provides
underestimated storm intensity display data. |
April 24, 2007 |
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|
| All G1000 Series units with GDU software Version 2.02 through 7.01.
All GNS 400W and 500W Series units with Main Software Version 2.00.
Garmin has identified a condition whereby failing to remove an active arrival or departure prior to loading a new arrival or departure can cause erroneous course deviation indications and a loss of some navigation cues on the map display. |
February 28, 2007 |
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|
| The G1000 system provides a list of available transitions when loading an instrument
procedure to a flight plan. The transition list contains a choice of vectors, published
transitions, and initial approach fixes (IAF).
In rare cases, the list contains two IAFs with the same identifier. |
January 9, 2007 |
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|
| Garmin would like to remind pilots flying with GDL 69/69A equipped aircraft that TFRs are advisory in nature only and are not a replacement for a thorough preflight briefing on TFR times and locations. |
August 9, 2006 |
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|
| Current serial number effectivity list for service alert 050321-01 |
February 8, 2006 |
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|
| Data required to completely define the affected ILS approaches has been incorporated into the Jeppesen Navigation Database. As such, this alert does not apply when using Jeppesen Data cycle 0506 or later. |
November 7, 2005 |
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|
| In certain limited circumstances, conflicting navigation information can be provided when a selected Direct-to waypoint is also a waypoint in a loaded terminal/approach procedure. |
July 26, 2005 |
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|
| Garmin has identified a condition in Version 2.01 of the G1000 Series Terrain Database that can result in incorrectly depicted topography in parts of Canada and Mexico. |
June 10, 2005 |
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|
| Garmin has identified a condition in Version 2.01 of the Terrain Database that can result in nuisance terrain alerts in parts of Canada and Mexico in the 500 Series TAWS products. |
June 6, 2005 |
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|
| Owners and operaters of aircraft equipped with G1000 systems should not use the OBS mode until GDU 1040 software version 4.01 or higher is installed. |
December 13, 2004 |
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|
| G1000-equipped aircraft with GIA 63 units, serial numbers 46901800 through 46902817, are limited to "VFR DAY ONLY" until an inspection is performed. |
September 13, 2004 |
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|
| Mandatory service bulletin requires aftermarket customers and OEMs to install v3.06 for GTX 330, 330D, 33 and 33D Mode S transponders to address a potential air-to-air safety issue. |
August 27, 2004 |
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|
