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Aviation Alerts and Advisories

Aviation alerts and advisories are published to advise owners/operators of important information regarding the fidelity and usability of an aviation product or database; the serviceability of a Garmin product; or to notify owners/operators of an applicable aviation service bulletin.

ADS-B Service Alerts are published to notify owners/operators of ADS-B outages and service limitations.

Aviation Database Alerts are published to advise owners/operators of significant issues with aviation database content that may affect flight operations or safety. Alerts of this type are categorized by the database type they affect, such as FliteCharts, Navigation, Obstacles, SafeTaxi, and Terrain. Navigation Alerts encompass both Alerts generated internally by Garmin, as well as Alerts generated by our data suppliers, such as Jeppesen. The corresponding links to the right can be used to view Database Alerts of only a certain type. Alternatively, all Alerts regardless of type can be viewed by using the Aviation Database Alerts link. Owners/operators may contact Garmin Aviation Product Support for more information on how their particular system is affected by an Alert. For additional information, see Jeppesen’s NavData Alerts site or the FAA’s AeroNav Products Safety Alerts site.

Service Advisories are published to advise owners/operators of important information concerning unit operations and/or handling that may or may not involve safety. Garmin encourages its owners/operators to contact their avionics dealer or their company’s field-service engineering staff with any questions or concerns regarding these advisories.

Service Alerts are published to advise owners/operators of time critical safety information related to the serviceability or operation of a Garmin product. Garmin encourages its owners/operators to contact their avionics dealer or their company’s field-service engineering staff with any questions or concerns regarding these alerts.

Service Document Notifications are published to notify owners/operators of an applicable service document that has been distributed to Garmin dealers and distributors.

Latest Alerts:

Service Advisory 2017: GNS 480 (CNX 80) GPS Date

PRODUCTS AFFECTED: Garmin GNS 480 (CNX 80) navigators are affected. ISSUE: Beginning August 16, 2020, GNS 480 units may report a GPS date that is 20 years or more in error under the following situations: If the GPS receiver has not acquired a 3D navigation solution within the last 128 weeks If a Master GPS … Continued

Service Advisory 2085: ADS-B

PRODUCTS AFFECTED: GTX 23ES, 33ES, 35R, 45R, 330ES, 335/335R and GTX 345/345R transponders installed with a G3X operating outside of the United States are affected. ISSUE: GTX 23ES, 33ES, 35R, 45R, 330ES, 335/335R and GTX 345/345R transponders are designed to standards that require a conforming GPS source to transmit conforming ADS-B OUT (per FAA AC … Continued

G5 Electronic Flight Instrument Software Version 6.72

PRODUCTS AFFECTED: G5 systems installed under G5 Part 23 AML STC SA01818WI are affected. CERTIFICATION AUTHORIZATION: STC SA01818WI COMPLIANCE: Recommended. This service bulletin is recommended for G5 systems installed per Part 23 AML STC SA01818WI. PURPOSE: G5 Software version 6.72 improves VLOC navigation aiding. ASDN Service Bulletin 2087 Rev A

Added PMA Stiffener AY185 RH and alternative location for collective position sensor installation

PRODUCTS AFFECTED: GFC 600H systems installed under the GFC 600H Part 27 STC SR02647SE in Airbus Helicopters AS 350 B2 and B3 models are affected. CERTIFICATION AUTHORIZATION: STC SR02647SE COMPLIANCE: Optional: This STC Service Bulletin may be incorporated at the owner’s discretion and is not warranty reimbursable. PURPOSE: This STC Service Bulletin provides notification of … Continued

Installation of Rudder Cable Guard

PRODUCTS AFFECTED: GFC 600 Automatic Flight Control Systems (STC SA01844WI, Master Drawing List, Revisions 1 through 23) installed in Textron Aviation (Beech) aircraft listed below that do not have a fairlead are affected. A36 (E-572 and on) A36TC 95-B55 95-B55A 95-C55 95-C55A D55 D55A E55 E55A 58 58A 58P 58PA 58TC 58TCA CERTIFICATION AUTHORIZATION: AML … Continued

Service Advisory 2073: GPSMAP 695/696 End of Service Life

PRODUCTS AFFECTED: Garmin GPSMAP 695/696 units are affected. ISSUE: Repair services and service parts are discontinued for the GPSMAP 695/696 effective immediately. We sincerely regret discontinuing service or support on any Garmin product. However, a number of components required for the manufacture and/or repair of essential subassemblies within the affected products are no longer available. … Continued

Service Bulletin 2069 Rev A: Kavlico Pressure Sensor Inspections for G3X/G3X Touch Equipped Experimental Aircraft

PRODUCTS AFFECTED: G3X/G3X Touch systems installed in experimental aircraft with Kavlico pressure sensor part numbers P4055-15G-E4A, P4055-50G-E4A, or P4055-150G-E4A are affected. CERTIFICATION AUTHORIZATION: Experimental/LSA COMPLIANCE: Mandatory: Compliance with this service bulletin is mandatory within 30 calendar days of the published date of this bulletin, or at the next scheduled service interval; whichever occurs first. After … Continued

GMU 44B installation approval, GTN Xi interface approval, and the addition of the AY610 PMA stiffener for yaw installations

PRODUCTS AFFECTED: GFC 600H systems installed under the GFC 600H Part 27 STC SR02647SE in Airbus Helicopters AS 350 B2 and B3 models are affected. CERTIFICATION AUTHORIZATION: AML STC SR02647SE COMPLIANCE: Optional: This STC Service Bulletin may be incorporated at the owner’s discretion and is not warranty reimbursable. PURPOSE: This STC Service Bulletin provides notification … Continued

Service Advisory 2009 Rev C: False TCAS II Alerts

REVISION C: Excluded GTS Processor Software Version 3.12.1 PRODUCTS AFFECTED: GTS 8000 TCAS II systems with GTS Processor Software Version 3.13 and earlier are affected. NOTE GTS Processor Software Version 3.12.1 is not affected. ISSUE: In rare cases a false TA or RA for traffic targets at ranges greater than 10 NM may be generated. … Continued

GI 275 Multi-function Instrument Expansion Board Software Version 2.05

PRODUCTS AFFECTED: GI 275 Multi-function Instrument installed under the GI 275 Part 23 AML STC SA02658SE are affected. CERTIFICATION AUTHORIZATION: AML STC SA02658SE COMPLIANCE: Optional: This STC Service Bulletin may be incorporated at the owner’s discretion and is not warranty reimbursable. PURPOSE: This STC Service Bulletin provides notification of STC SA02658SE Master Drawing List revision … Continued

Approval of GDL 84/88 Main Software v3.42 in an Approved Model List of Part 23 Aircraft

PRODUCTS AFFECTED: GDL 84/88 units installed under GDL 84/88 Part 23 AML STC SA02119SE are affected. CERTIFICATION AUTHORIZATION: AML STC SA02119SE COMPLIANCE: Recommended: Garmin recommends the incorporation of this TSO Service Bulletin at the next scheduled service interval. PURPOSE: This STC Service Bulletin provides notification of an update to the AML STC SA02119SE Master Drawing … Continued

GDL 84/88 System Software Version 3.42 and WAAS Software Version 5.3

PRODUCTS AFFECTED: GDL 84/88 units listed in the table below are affected. Appliance P/N Model 011-02369-00 GDL 88 011-02370-00 GDL 88 w/WAAS 011-02371-00 GDL 88D 011-02372-00 GDL 88D w/WAAS 011-02369-10 GDL 88H 011-02370-10 GDL 88H w/WAAS 011-02371-10 GDL 88DH 011-02372-10 GDL 88DH w/WAAS 011-03727-00 GDL 84 w/WAAS 011-03728-00 GDL 84H w/WAAS   CERTIFICATION AUTHORIZATION: TSO … Continued

GI 275 Multi-function Instrument Software Version 2.04

PRODUCTS AFFECTED: GI 275 Multi-function Instrument installed under the GI 275 Part 23 AML STC SA02658SE are affected. CERTIFICATION AUTHORIZATION: AML STC SA02658SE COMPLIANCE: Optional: This STC Service Bulletin may be incorporated at the owner’s discretion and is not warranty reimbursable. PURPOSE: This STC Service Bulletin provides notification of STC SA02658SE Master Drawing List revision … Continued

Yaw Servo Cable Clamp Inspection

PRODUCTS AFFECTED: Textron Aviation Model 400A Beechjet aircraft modified with the Garmin G5000 Integrated Flight Deck (STC ST01821WI Master Drawing List, Revisions 1 through 6) are affected. CERTIFICATION AUTHORIZATION: AML STC ST01821WI COMPLIANCE: MANDATORY: Compliance with this STC service bulletin is mandatory at next opportunity or maintenance event, not to exceed 200 flight hours. NOTE … Continued

Service Advisory 2053: FAA Data Comm Operation

PRODUCTS AFFECTED: G1000, G2000, G3000, and G5000 systems with either Garmin’s FAA Data Comm option or FANS 1/A+ option operating in the United States are affected. ISSUE: To use the FAA’s Data Comm system the operator must define the equipment’s capability in the flight plan. In addition to the equipment codes which must be entered … Continued

GTX 3X5(R) main software version 2.54, new GTX 345(R) part numbers and GTX 3X5 NV models, and other misc updates

PRODUCTS AFFECTED: GTX 335/335R/345/345R (GTX 3X5(R)) units installed using Part 27 AML STC SR02124SE are affected. CERTIFICATION AUTHORIZATION: AML STC SR02124SE COMPLIANCE: Recommended: Garmin recommends the incorporation of this Service Bulletin at the next scheduled service interval. PURPOSE: This STC Service Bulletin provides notification of an update to STC SR02124SE, GTX 3X5(R) Part 27 AML … Continued

GTS Processor Software Version 3.14 for Non-GX000 Integrated Flight Deck Installations Only

PRODUCTS AFFECTED: All GTS Processor GTS 825/GTS 855/GTS 8000 units (011-02571-0( )) with software version 3.13 (or earlier) and interfaced to a GTN 6XX/7XX, GNS 4XX(W)/5XX(W), GNS 480, G500, G500H, G600, GMX 200, MX20, or other 3rd party flight display systems are affected. CERTIFICATION AUTHORIZATION: TSO Authorization COMPLIANCE: Recommended: Garmin recommends the incorporation of this … Continued

GTS Processor Software Version 3.14.1 for Non-GX000 Integrated Flight Deck Installations Only

PRODUCTS AFFECTED: All GTS Processor GTS 825/GTS 855/GTS 8000 units (011-02571-0( )) with software version 3.14 (or earlier) and interfaced to a GTN 6XX/7XX, GNS 4XX(W)/5XX(W), GNS 480, G500, G500H, G600, GMX 200, MX20, or other 3rd party flight display systems are affected. The current GTS Processor software version can be viewed by using the … Continued

GTS Processor Main Software 3.14.1, added GI 275 and GTN Xi interfaces

PRODUCTS AFFECTED: GTS 825 and GTS 855 units installed under the GTS 8XX Part 23 AML STC SA02121SE are affected. CERTIFICATION AUTHORIZATION: AML STC SA02121SE COMPLIANCE: Recommended: Garmin recommends the incorporation of this STC Service Bulletin at the next scheduled service interval. PURPOSE: This STC Service Bulletin provides notification of an update to the AML … Continued

GPS 175/GNX 375/GNC 355 Main Software 3.10

PRODUCTS AFFECTED: GPS 175, GNX 375, GNC 355, or GNC 355A installed under the GPS 175/GNX 375/GNC 355 Part 23 AML STC SA02636SE are affected. CERTIFICATION AUTHORIZATION: AML STC SA02636SE COMPLIANCE: Optional: This STC Service Bulletin may be incorporated at the owner’s discretion and is not warranty reimbursable. PURPOSE: This STC Service Bulletin provides notification … Continued

Service Advisory 2043: Increase Speed Aural Alert

PRODUCTS AFFECTED: Embraer Prodigy® Flight Deck 100 with G1000 NXi with System Software Version 3643.00 (and earlier) are affected. ISSUE: The Increase Speed Aural alert does not play. ACTION: Be aware the Increase Speed Aural alert does not play. RESOLUTION: This issue has been corrected in System Software Version 3643.01. Service Advisory 2043 Rev A

Service Advisory 2051: Cleaning/Disinfecting Guidance

PRODUCTS AFFECTED: All Garmin aviation products are affected. ISSUE: Garmin would like to provide some general recommendations for materials and supplies used to clean/disinfect Garmin aviation products. Not following the recommendations below could void the warranty. NOTE The following guidance is intended to help reduce the spread of disease while preserving the integrity of Garmin … Continued

GI 275 approved as a standby instrument for G3X Touch

PRODUCTS AFFECTED: G3X Touch systems installed using Approved Model List (AML) Supplemental Type Certificate (STC) SA01899WI are affected. CERTIFICATION AUTHORIZATION: STC SA01899WI COMPLIANCE: Optional: This STC Service Bulletin may be incorporated at the owner’s discretion and is not warranty reimbursable. PURPOSE: This STC Service Bulletin announces the approval of the GI 275 as a standby … Continued

G500H GDU Main Software Version 7.36, GDC 74H Software Version 3.11, and added AS350 B2/B3 and EC130 rotorcraft

PRODUCTS AFFECTED: G500H systems installed in rotorcraft under STCs SR02295LA, SR09575RC, or SR09576RC are affected. CERTIFICATION AUTHORIZATION: STC SR02295LA COMPLIANCE: Optional: This STC Service Bulletin may be incorporated at the owner’s discretion and is not warranty reimbursable. PURPOSE: STC SR02295LA MDL Revision 8 includes the following: New rotorcraft approvals: AS350 B2/B3 EC130 rotocraft New LRU … Continued

Update to Airplane Flight Manual Supplement (AFMS) for G5000 in Textron Aviation Inc. Model 560XL

PRODUCTS AFFECTED: G5000 Integrated Flight Decks installed in Textron Aviation Inc. (Cessna) Model 560XL under STC ST01918WI are affected. CERTIFICATION AUTHORIZATION: STC ST01918WI COMPLIANCE: Mandatory: This STC Service Bulletin must be accomplished within 30 calendar days or the next scheduled service interval; whichever occurs first. PURPOSE: This STC Service Bulletin provides notification of a revision … Continued

GTN Xi installation approval and GTN 6XX/7XX software v6.70 update

PRODUCTS AFFECTED: GTN 6XX/7XX systems installed under the GTN 6XX/7XX Part 23 AML STC SA02019SE-D and EASA STC 10037574 are affected. CERTIFICATION AUTHORIZATION: STC SA02019SE-D and EASA STC 10037574 COMPLIANCE: Optional: This Service Bulletin may be incorporated at the owner’s discretion and is not warranty reimbursable. PURPOSE: This STC Service Bulletin announces the approval of: … Continued

GDL 69/69A SXM Software Version 5.51 for Non-GX000 Integrated Flight Deck Installations Only

PRODUCTS AFFECTED: GDL 69 SXM and GDL 69A SXM units installed under Supplemental Type Certificate (STC) SA01487SE-D are affected. NOTEGDL 69 SXM and GDL 69A SXM units installed with a GX000 Integrated Flight Deck are not affected. CERTIFICATION AUTHORIZATION: STC SA01487SE-D COMPLIANCE: Optional: This Service Bulletin may be incorporated at the owner’s discretion and is … Continued

Part 27 AML STC SR02120SE GTN 6XX/7XX Software v6.70 and GTN Xi Approval

PRODUCTS AFFECTED: GTN 6XX/7XX systems installed using Approved Model List (AML) Supplemental Type Certificate (STC) SR02120SE are affected. CERTIFICATION AUTHORIZATION: AML STC SR02120SE COMPLIANCE: Optional: This STC Service Bulletin may be incorporated at the owner’s discretion and is not warranty reimbursable. PURPOSE: STC SR02120SE, Master Drawing List revision 4 includes: Installation of GTN Xi hardware … Continued

Initial Issuance for STC installation of GFC 600H in Airbus Helicopters AS350

PRODUCTS AFFECTED: GFC 600H systems installed under the GFC 600H Part 27 STC SR02647SE in Airbus Helicopters AS 350 B2 and B3 models are affected. CERTIFICATION AUTHORIZATION: STC SR02647SE COMPLIANCE: Optional: This Service Bulletin may be incorporated at the owner’s discretion and is not warranty reimbursable. PURPOSE: This STC service bulletin provides notification of the … Continued

GI 275 Multi-function Instrument Software Version 2.03

PRODUCTS AFFECTED: GI 275 Multi-function Instrument installed under the GI 275 Part 23 AML STC SA02658SE are affected. CERTIFICATION AUTHORIZATION: STC SA02658SE COMPLIANCE: Optional: This Service Bulletin may be incorporated at the owner’s discretion and is not warranty reimbursable. PURPOSE: This STC Service Bulletin provides notification of STC SA02658SE Master Drawing List revision 2 update. … Continued

GSR 56 Mod 1

PRODUCTS AFFECTED: The following units are affected only when the internal heater is enabled: Appliance P/N – Model 011-02268-00 – GSR 56 011-02268-01 – GSR 56 Enhanced 011-02268-10 – GSR 56H 011-02268-50 – GSR 56 Harsh Environment CERTIFICATION AUTHORIZATION: TSO Approval COMPLIANCE: Recommended: Compliance with this service bulletin is recommended for installations with the internal … Continued

G3X Touch/GSU 25 ADAHRS Pitot Static Inspection

PRODUCTS AFFECTED: Garmin G3X Touch EFIS Part 23 AML STC installations with a GSU 25 ADAHRS (not installed on the back of a Garmin GDU 4X0) performed using Master Drawing List 005-01320-00, Revision 4 or earlier (Installation Manual 190-02472-01 revision 4 or earlier) are affected. NOTE Installations with the GSU 25 ADAHRS installed on the … Continued

GFC 500 installed in F33A Gain Settings Update

PRODUCTS AFFECTED: GFC 500 systems installed in Textron Aviation (Beechcraft) F33A, (S/N CE-316 thru CE-1791) by Part 23 AML STC SA01866WI are affected. CERTIFICATION AUTHORIZATION: STC SA01866WI COMPLIANCE: Recommended: This service bulletin is recommended for Textron Aviation (Beechcraft) F33A aircraft (S/N CE-316 thru CE-1791) with GFC 500 systems installed per Part 23 AML STC SA01866WI.  … Continued

G3X Touch EFIS Software Version 8.60

PRODUCTS AFFECTED: G3X Touch systems installed using Approved Model List (AML) Supplemental Type Certificate (STC) SA01899WI are affected. CERTIFICATION AUTHORIZATION: STC SA01899WI COMPLIANCE: Recommended: This service bulletin is recommended for certified G3X systems interfaced to a GFC 500 installed per Part 23 AML STC SA01866WI. For all other installations this STC Service Bulletin is optional … Continued

G5 Electronic Flight Instrument Software Update and GFC 500 (GMC 507 and GSA 28) Software Update

PRODUCTS AFFECTED: G5 systems installed under G5 Part 23 AML STC SA01818WI are affected. GFC 500 systems under GFC 500 Part 23 AML STC SA01866WI are affected. CERTIFICATION AUTHORIZATION: STC SA01818WI (G5) and STC SA01866WI (GFC 500) COMPLIANCE: Recommended.  This service bulletin is recommended for G5 systems installed per Part 23 AML STC SA01818WI and … Continued

Initial Issuance of STC for Installation of the GI 275 Multi-function Instrument in an Approved Model List of Part 23 Aircraft

PRODUCTS AFFECTED: GI 275 Multi-function Instrument installed under the GI 275 Part 23 AML STC SA02658SE are affected. CERTIFICATION AUTHORIZATION: STC SA02658SE COMPLIANCE: Optional: This STC Service Bulletin may be incorporated at the owner’s discretion and is not warranty reimbursable. PURPOSE: This STC Service Bulletin provides notification of the initial issuance of STC SA02658SE Master … Continued