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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:

GTN Xi Main Software Version 20.11 and GTN 6XX/7XX Main Software Version 6.71

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

Service Advisory 20140 Rev B: ADS-B Out Not Functioning

REVISION B: Added Resolution PRODUCTS AFFECTED: GTN Xi products with main software version 20.10 installed with a GTX 33ES, 330ES, 335(D), 335(D)R, 345(D), or 345(D)R with transponder controls on the GTN Xi are affected. ISSUE: The GTN Xi is sending erroneous ADS-B OUT data. ACTION: Be aware the ADS-B OUT data is erroneous, and your … Continued

G5 Electronic Flight Instrument Software Version 6.82

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 6.82 for certified installations includes an update that adds support for the new G5 battery packs … Continued

Initial Issuance of EASA STC for Installation of GI 275 in an Approved Model List of Part 23 Aircraft

PRODUCTS AFFECTED: Refer to the Approved Model List on FAA STC SA02658SE for aircraft eligible for modification to install the GI 275 Multi-Function Indicator in EASA certified aircraft. CERTIFICATION AUTHORIZATION: EASA STC 10075142 (FAA STC SA02658SE) COMPLIANCE: Optional: This STC Service Bulletin may be incorporated at the owner’s discretion and is not warranty reimbursable. PURPOSE: … Continued

Resistive Fuel Senders interfaced to a GEA 24 with the GI 275 AML STC Installations

PRODUCTS AFFECTED: Aircraft modified with GI 275 AML STC SA02658SE, MDL Revision 8 or earlier and interfaced to the GEA 24 with resistive fuel senders that are less than or equal to 100 ohms range are affected. CERTIFICATION AUTHORIZATION: AML STC SA02658SE COMPLIANCE: Mandatory: This STC Service Bulletin must be incorporated for affected installations and … Continued

Resistive Fuel Senders interfaced to G3X Touch Certificated AML STC Installations

PRODUCTS AFFECTED: Aircraft modified with G3X Touch AML STC SA01899WI, MDL Revision 7 or earlier, with interface to resistive fuel senders with less than or equal to 100 ohms range are affected. CERTIFICATION AUTHORIZATION: FAA STC SA01899WI MDL Revision 7 COMPLIANCE: Mandatory: This STC Service Bulletin must be incorporated for affected installations and is warranty … Continued

Service Alert 20137: Fuel Quantity Indication Error

PRODUCTS AFFECTED: G3X Touch and GI 275 systems installed in certified aircraft with a GEA 24 engine adapter that is interfaced to resistive fuel senders with a range of less than or equal to 100 ohms are affected. ISSUE: When operating at low fuel, the G3X Touch and GI 275 fuel quantity gauges may erroneously … Continued

GI 275 Multi-function Instrument Software Version 2.20

PRODUCTS AFFECTED: GI 275 Multi-function Instrument systems installed under the GI 275 Part 23 AML STC SA02658SE are affected. CERTIFICATION AUTHORIZATION: STC SA02658SE MDL Revision 7 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 … Continued

GTN Xi Main Software Version 20.10 and GTN 6XX/7XX Main Software Version 6.71

PRODUCTS AFFECTED: GTN 6XX/7XX and GTN Xi systems installed under the GTN 6XX/7XX Part 23 AML FAA STC SA02019SE-D and EASA STC 10037574 are affected. CERTIFICATION AUTHORIZATION: FAA STC SA02019SE-D 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

G1000 NXi STC Update to Add Models A200/A200CT and G1000 NXi 2286.11 Software Update for all 200/300 Series Aircraft

PRODUCTS AFFECTED: The following Model A200/A200CT aircraft are now eligible under STC SA01535WI-D: S/N BC-1 thru BC-61 and S/N BD-1 thru BD-30 when modified by Beechcraft Service Instruction C-12-0076 S/N BC-62 thru BC-75 S/N BP-1 S/N BP-22 S/N BP-24 thru BP-51 All Textron Aviation Inc. (Beechcraft) King Air 200 and 300 series aircraft equipped with … Continued

Service Advisory 20132: Distance To DME

PRODUCTS AFFECTED: All GI 275 products with software versions 2.20 and earlier, with an HSI page and interfaced to a GTN or GNS series unit are affected. ISSUE: When the localizer is tuned and a GPS flight plan is loaded, the GI 275 provides a distance to the tuned localizer station. It does not provide … Continued

G1000 NXi Configuration Update to Support Textron Aviation B300 / B300C King Air Heavyweight (16,500 lb MTOW) Aircraft

PRODUCTS AFFECTED: G1000 NXi systems installed in B300 aircraft with serial numbers FL-584 thru FL-1030 (excluding FL-954 and FL-1010) and B300C Serial Numbers FM-25 thru FM-65 with Textron Heavyweight kit (16,500 lb MTOW) and production B300 / B300C Heavyweight (16,500 lb MTOW) aircraft are affected. CERTIFICATION AUTHORIZATION: STC SA01535WI-D MDL Rev 22 COMPLIANCE: Optional: This … Continued

Approval of G500/G600 TXi Software Version 3.12

PRODUCTS AFFECTED: G500/G600 TXi PFD/MFD/EIS display systems installed using Approved Model List (AML) Supplemental Type Certificate (STC) SA02571SE are affected. COMPLIANCE: Optional. This service bulletin is optional and may be incorporated at the owner’s discretion. PURPOSE: AML STC SA02571SE , Master Drawing List Rev 11 includes the following: Update TXi software from v3.03 to v3.12 … Continued

GTN Xi HTAWS Annunciator Interconnect Correction

PRODUCTS AFFECTED: GTN Xi 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 GTN 6XX/7XX Part 27 AML STC Master Drawing List Rev. 6 … Continued

Service Advisory 20126: G5 Battery Pack

PRODUCTS AFFECTED: All G5 products are affected. ISSUE: Due to a parts shortage the 010-12493-00 G5 Battery Pack will soon be replaced with the 010-12493-01 G5 Battery Pack Ver. 2. The -01 has the same form, fit, and function as the -00 battery pack. The -01 battery pack does require G5 Software Version 6.80 or … Continued

Service Advisory 20123: Squat Switch

PRODUCTS AFFECTED: All GTX 3×5(D) panel-mount products interfaced to a squat switch installed in non-rotorcraft airframes are affected. ISSUE: The GTX 3×5(D) defaults to airborne mode for five seconds after startup. This causes the flight timer to increase for five seconds each startup. ACTION: No pilot action. RESOLUTION: This will be fixed in a future … Continued

Service Advisory 1612 Rev F: 2020 IGRF (International Geomagnetic Reference Field) Magnetic Field Model

REVISION F: Added step to stop power to GIA #2 and operating system specific instructions AFFECTED PRODUCTS: All Garmin G1000 Integrated Flight Decks (G900X, G950, G1000(H), G1000 NXi, Cirrus PerspectiveTM, Embraer ProdigyTM) with a Garmin AHRS and GDU software versions 6.00 and greater are affected. All Garmin G2000, G3000, G5000(H), and Embraer Prodigy® Touch systems … Continued

Service Advisory 20109 Rev B: Erroneous GPS position and momentary false TAWS alerts

REVISION B: Added the G1000(H) NXi PRODUCTS AFFECTED: All SBAS-enabled Garmin Integrated Flight Decks (G900X, G950, G1000(H) G1000(H) NXi, Cirrus PerspectiveTM, Embraer ProdigyTM, G2000, G3000, G5000, and Embraer Prodigy® Touch systems), GTN Xi Series, GPS 175, GNX 375, GNC 355, GNS 400W/500W Series, GNS 480, GTN 6XX/7XX Series products operating within the area (depicted in … Continued

Service Advisory 20117: Cycle 20M2 Basemap

PRODUCTS AFFECTED: All original series GTN 6XX/7XX products are affected. NOTE GTN Xi Series products are not affected. ISSUE: A software issue prevents loading basemap version 20M2 to a GTN with basemap version 19M1. WARNING Do not use basemap (land and water data) information for primary navigation. Basemap data is intended only to supplement other … Continued

Service Advisory 20114: FIS-B NOTAMs

PRODUCTS AFFECTED: GI 275 products with software versions 2.10 and 2.11 are affected. ISSUE: FIS-B NOTAMs do not appear on the weather page. ACTION: Always refer to current aeronautical charts and NOTAMs for verification of displayed aeronautical information. Displayed aeronautical data may not incorporate the latest NOTAM information. Information obtained solely through FIS-B does not … Continued

Installation of Rudder Cable Guard – Revision B

PRODUCTS AFFECTED: GFC 600 Automatic Flight Control Systems (STC SA01844WI, Master Drawing List, Revisions 1 through 28) installed in Textron Aviation (Beech) aircraft listed below are affected. 58P 58PA 58TC 58TCA A36 A36TC 95-B55 95-B55A 95-C55 95-C55A D55 D55A E55 E55A 58 58A CERTIFICATION AUTHORIZATION: AML STC SA01844WI COMPLIANCE: MANDATORY: Compliance with Revision B of … Continued

G1000 NXi System Software Version 3643.04 for G1000 NXi-equipped Embraer EMB-500 Phenom 100 airplanes

PRODUCTS AFFECTED: G1000 NXi-equipped Embraer EMB-500 Phenom 100 aircraft with system software version 3643.00 or 3643.01 installed under STC SA01933WI are affected. NOTE This STC Service Bulletin supersedes Garmin STC Service Bulletin 2091. CERTIFICATION AUTHORIZATION: STC SA01933WI COMPLIANCE: MANDATORY: Compliance with the STC service bulletin is mandatory at the next 100-hour/annual inspection, not to exceed … Continued

GDU 620 software version 7.40 for Part 23 STC SA02153LA-D

PRODUCTS AFFECTED: G500/G600 systems installed under the G500/G600 Part 23 AML STC SA02153LA-D are affected. CERTIFICATION AUTHORIZATION: STC SA02153LA-D 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 SA02153LA-D Master Drawing List, G600 PFD/ MFD System AML STC, … Continued

Update to GFC 500 STC to add GI 275 interface

PRODUCTS AFFECTED: GFC 500 autopilots installed under the GFC 500 Part 23 AML STC SA01866WI are affected. CERTIFICATION AUTHORIZATION: STC SA01866WI COMPLIANCE: Optional: This STC Service Bulletin may be incorporated at the owner’s discretion and is not warranty reimbursable. PURPOSE: STC SA01866WI Master Drawing List revision 39 includes the following: Addition of the GI 275 … Continued

GI 275 Multi-function Instrument Software Version 2.11

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

G1000 NXi Retrofit update in Piper PA-46-500TP Malibu Meridian

PRODUCTS AFFECTED: G1000 equipped PA-46-500TP Malibu Meridians (Serial Numbers 4697002, 4697340, 4697399 through 4697548, 4697550 through 4697568, 4697570 through 4697581) are affected. COMPLIANCE: Optional. This service bulletin is optional and may be incorporated at the owner’s discretion. PURPOSE: STC SA01947WI Rev 2 includes the following: New Hardware: NXi display hardware GDU 1050 Primary Flight Display … Continued

G600 TXi EDM (Emergency Descent Mode)

PRODUCTS AFFECTED: G600 TXi systems installed in Daher/Socata TBM 700/850 Series aircraft with all of the following are affected: A GDU 1060 or GDU 700P/L PFD with Software Version 3.03 or earlier A GFC 600 Autopilot COMPLIANCE: Recommended: Compliance with this service bulletin is recommended. PURPOSE: The G600 TXi EDM target airspeed may not be … Continued

G5000 System Software Version 3343.01 and new hardware for G5000-equipped Textron Aviation Inc. Model 560XL

PRODUCTS AFFECTED: All G5000 Integrated Flight Decks installed in Textron Aviation Inc. (Cessna) Model 560XL aircraft equipped with G5000 System Software Version 3343.00 under STC ST01918WI are affected. CERTIFICATION AUTHORIZATION: STC ST01918WI COMPLIANCE: Optional: This STC Service Bulletin may be incorporated at the owner’s discretion. PURPOSE: STC ST01918WI, Master Drawing List Rev 11 includes software … Continued

G1000 NXi System Software Version 3643.03 For Embraer EMB-500 Phenom 100 and EMB-505 Phenom 300 Aircraft

PRODUCTS AFFECTED: G1000 NXi-equipped Embraer EMB-500 Phenom 100 aircraft with system software version 3643.00 or 3643.01 installed under STC SA01933WI are affected. G1000 NXi-equipped Embraer EMB-505 Phenom 300 aircraft with system software version 3643.01 installed under STC SA01933WI are also affected. CERTIFICATION AUTHORIZATION: STC SA01933WI COMPLIANCE: MANDATORY: Compliance with the STC service bulletin is mandatory … Continued

Service Advisory 1930 Rev B: GPS 155XL, GNC 250XL, and GNC 300XL End of Service Life

REVISION B: Removed estimated end of service life dates PRODUCTS AFFECTED: Garmin GPS 155XL, GNC 250XL, and GNC 300XL units are affected. ISSUE: Effective immediately, repair services and service parts are discontinued for the units listed above. We sincerely regret discontinuing service or support on any Garmin product. However, a number of components required for … Continued

Installation of Rudder Cable Guard

PRODUCTS AFFECTED: GFC 500 Autopilots with Electronic Stability and Protection installed under Part 23 AML STC (STC SA01866WI, Master Drawing List, Revisions 1 through 37) in the Textron Aviation (Cessna) Model 172 are affected. CERTIFICATION AUTHORIZATION: AML STC SA01866WI COMPLIANCE: MANDATORY: Compliance with this STC service bulletin is mandatory at the next 100-hour/annual inspection, not … Continued

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

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