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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 21109: GTN Xi May Not Provide Roll Steering When Smart Glide Is Activated From OBS Mode

PRODUCTS AFFECTED: Garmin GTN Xi Series products (with Software Version 20.20 or later) in OBS mode with Smart Glide enabled and interfaced to any of the following are affected: Garmin autopilot Third-party autopilot capable of following GPS roll steering (including GPSS heading emulation) G500/600 TXi PFD (displaying the roll steering indicator) ISSUE: If Smart Glide … Continued

GI 275 Multi-Function Instrument Software Version v2.41 Update

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 14 COMPLIANCE: Optional: This STC Service Bulletin may be incorporated at the owner’s expense and is not warranty reimbursable. PURPOSE: This STC Service Bulletin provides notification of STC SA02658SE Master … Continued

G500/G600 TXi Software Version 3.31 and GEA 110 Software Version 2.21

PRODUCTS AFFECTED: G500/G600 TXi PFD/MFD/EIS display systems installed using Approved Model List (AML) Supplemental Type Certificate (STC) SA02571SE are affected. CERTIFICATION AUTHORIZATION: STC SA02571SE MDL Revision 17 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 an update … Continued

GI 275 Multi-Function Instrument Software Version v2.41 Update

PRODUCTS AFFECTED: Aircraft modified with the GI 275 Multi-Function Instrument AML STC SA02658SE, MDL Revision 12 or earlier with a single pitot-static system that are equipped with dual GI 275 ADAHRS (Air Data & Attitude Heading Reference System) products [011-04489-10, 011-04489-20] installed as the only means to determine aircraft attitude. CERTIFICATION AUTHORIZATION: STC SA02658SE MDL … Continued

Service Alert 2182: Dual GI 275 simultaneous “AHRS Align” message in flight

PRODUCTS AFFECTED: GI 275 installations with Expansion Board software version 2.40 or earlier, in the dual-ADAHRS configuration in aircraft with non-redundant or single-source pitot systems are affected. (See Service Alert linked below for instructions on how to view the Expansion Board software version.) ISSUE: If the aircraft’s pitot tube becomes obstructed due to the pitot … Continued

Service Advisory 21101: GI-102A and GI-106A End of Service Life

PRODUCTS AFFECTED: Garmin GI-102A and GI-106A units are affected. ISSUE: Repair services (including exchanges) are discontinued for the GI-102A and GI-106A effective 10/1/21. We sincerely regret discontinuing service or support on any Garmin product. GI 102A and GI 106A units may still be serviced by the manufacturer. Contact Mid-Continent Instruments and Avionics for details. The … Continued

Service Bulletin 2193: G5 Airspeed Calibration

PRODUCTS AFFECTED: Garmin G5 Electronic Flight Instruments purchased or installed since May 2021 listed in the link below are affected. https://support.garmin.com/en-US/aviation/faq/hCwRzXXaMS8L6yQ2tW80w7/ NOTE Serial numbers can be checked in Configuration Mode. To enter configuration mode and view the serial number: Hold down the knob while applying power to the G5. Select Device Information. Select SFD, SFD1, … Continued

Service Advisory 2195: GIA 64 COM Receiver

PRODUCTS AFFECTED: Garmin GIA 64 units purchased or installed since April 2021 listed in the link below are affected. https://support.garmin.com/en-US/?faq=m849xu3Exl8UywVgEB3EU9 NOTE GIA 64 unit serial numbers can be viewed on the AUX – System Status page. ISSUE: Some GIA 64 units may experience a COM receiver failure and/or open squelch. NOTE The COM transmitter is … Continued

Service Advisory 2157 Rev C: ADS-B, ADS-R, and TIS-B Traffic Accuracy

REVISION C: Updated Products Affected and Resolution PRODUCTS AFFECTED: 011-04333-00 GTX 345D and 011-04334-00 GTX 345DR units (with ADS-B software versions 3.00 through 3.13, 3.15 through 3.21, and 3.30) interfaced to all non-Garmin GPS sources, or interfaced to any Garmin GPS sources listed in Table 1 (see attached Service Advisory below) are affected. The 011-04378-00 … Continued

Service Advisory 2186: Database Update Procedure

PRODUCTS AFFECTED: G3000 and G5000 products installed in Cessna Citation M2, Cessna CJ3+, Cessna Citation Sovereign +, and Cessna Citation Latitude with the following serial numbers and software versions (v4.8) are affected. 525 (Citation M2): S/N: -0685,-0800 thru -1047 SW: 006-B1592-31 (GDU v20.92.2) 525B (CJ3+): S/N: -0057,-00451 thru -0609 SW: 006-B1814-21 (GDU v20.92.2) 680 (Citation … Continued

Service Advisory 2185: Abort Approach

PRODUCTS AFFECTED: GTN 625/635/650/725/750 products with main software version 6.30 and later are affected. G900X, G950, G950NXi, G1000, G1000NXi, G2000, G3000, and G5000 products with GDU software version 21.00 and later without baro approach support are also affected ISSUE: Loading a GPS-based approach before the system has determined a valid GPS position may result in … Continued

GPS 175/GNX 375/GNC 355 main software version 3.11

PRODUCTS AFFECTED: GPS 175, GNX 375, GNC 355, or GNC 355A installed under GPS 175/GNX 375/GNC 355 Part 23 AML STC SA02636SE are affected. CERTIFICATION AUTHORIZATION: AML STC SA02636SE COMPLIANCE: Recommended: Compliance with this STC Service Bulletin is recommended at the next scheduled maintenance interval. PURPOSE: This STC Service Bulletin provides notification of an update … Continued

G1000 NXi Hardware and Software update for G1000-equipped Textron Aviation 172R/S, (T)182T, (T)206H, G36 and G58 airplanes

PRODUCTS AFFECTED: The following systems registered in the U.S. are affected: G1000 WAAS systems with System Software Versions 0563.03 through 0563.36 installed in Textron Aviation 172R/S, (T)182T, and (T)206H aircraft G1000 WAAS systems with System Software Versions 0857.05 through 0857.10 installed in Textron Aviation G58 aircraft G1000 WAAS systems with System Software Versions 0858.05 through … Continued

GTN Xi Main Software Version 20.20 and GPS Software Version 8.2

PRODUCTS AFFECTED: GTN Xi systems installed under the GTN 6XX/7XX Part 23 AML FAA STC SA02019SE-D 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 of the FAA STC SA02019SE-D Master Drawing … Continued

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

REVISION C: Added GTN 6XX/7XX and GTN Xi Resolution 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 … Continued

Service Alert 2158 Rev B: Takeoff/Landing Distance (TOLD)

REVISION B: Added Service Bulletin reference PRODUCTS AFFECTED: G5000 systems in Model 560XL ‘Excel’ and ‘XLS’ variants with TOLD are affected. ISSUE: Takeoff/landing distances and V1 values calculated by TOLD may be incorrect at airports with field elevations of 7,000 FT MSL or higher. PILOT ACTION: Do not use the G5000 TOLD function to compute … Continued

G500/G600 TXi GDU Software Version 3.30

PRODUCTS AFFECTED: G500/G600 TXi PFD/MFD/EIS display systems installed using Approved Model List (AML) Supplemental Type Certificate (STC) SA02571SE are affected. CERTIFICATION AUTHORIZATION: STC SA02571SE MDL Revision 16 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 an update … Continued

GI 275 Multi-function Instrument Software Version 2.40

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 12 COMPLIANCE: Optional: This Service Bulletin may be incorporated at the owner’s discretion. PURPOSE: This STC Service Bulletin provides notification of STC SA02658SE Master Drawing List revision 12 update. This … Continued

Service Advisory 2167: Overspeed Protection

PRODUCTS AFFECTED: Garmin GFC 600 AFCS installed in Textron Aviation (Beechcraft) C90 are affected. ISSUE: Overspeed Protection will not engage until 226 KIAS. This is above the published Vne of the C90. ACTION: Never exceed the manufacturer published airframe speed limits. RESOLUTION: This will be fixed in a future software release. Service Advisory 2167 Rev … Continued

Initial Issuance for STC installation of GFC 600H in Bell Helicopter Model 505

PRODUCTS AFFECTED: GFC 600H systems installed under the GFC 600H Bell 505 STC SR01961WI in Bell Helicopters Model 505 (trade name Jet Ranger X) are affected. CERTIFICATION AUTHORIZATION: FAA STC SR01961WI 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 … Continued

G500/G600 TXi GDU Software Version 3.22, Expansion of EIS Features and Data, and other misc additions

PRODUCTS AFFECTED: G500/G600 TXi PFD/MFD/EIS display systems installed using Approved Model List (AML) Supplemental Type Certificate (STC) SA02571SE are affected. CERTIFICATION AUTHORIZATION: STC SA02571SE MDL Revision 15 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 an update … Continued

Mandatory 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 with TOLD enabled 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 requires mandatory … Continued

Service Bulletin 2149: Automatic Power Off Setting

PRODUCTS AFFECTED: All Garmin G5 Electronic Flight Instruments installed with a battery are affected. COMPLIANCE: Recommended PURPOSE: To improve experience upon loss of aircraft power in-flight. DESCRIPTION: This service bulletin contains instructions to ensure the G5 will remain energized (with no user interaction) upon loss of aircraft power in-flight. Service Bulletin 2149 Rev A

Service Bulletin 2151: G5 Ver. 2 Battery Pack

PRODUCTS AFFECTED: Garmin G5 Electronic Flight Instruments (011-03809-00) using a G5 Ver. 2 Battery Pack (011-03893-01) are affected. NOTE G5 Electronic Flight Instruments (011-03809-00) with MOD 1 are not affected. DESCRIPTION: This service bulletin contains instructions to make sure the G5 Ver. 2 Battery Pack (011-03893-01) can energize the G5 (011-03809-00) without additional power inputs. … Continued

GDU 620 Software Version 7.40 for G500H Systems

PRODUCTS AFFECTED: G500H systems installed under the G500H Part 27 AML STC SR02295LA are affected. CERTIFICATION AUTHORIZATION: STC SR02295LA MDL Revision 9 COMPLIANCE: Optional: This Service Bulletin may be incorporated at the owner’s discretion. PURPOSE: This STC Service Bulletin provides notification of STC SR02295LA Master Drawing List revision 9 update. This update includes GDU 620 … Continued

Approval of GTX 3X5(R) main software version 2.60 and ADS-B software version 3.21

PRODUCTS AFFECTED: GTX 335/335R/345/345R (GTX 3X5(R)) units installed using Part 23 ADS-B AML STC SA01714WI are affected. CERTIFICATION AUTHORIZATION: STC SA01714WI 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 an update to STC SA01714WI, GTX 33X and … Continued

Service Advisory 20132 Rev C: Distance To DME

REVISION C: Updated Resolution PRODUCTS AFFECTED: All GI 275 products with software versions 2.21 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. … Continued

GI 275 Multi-function Instrument Software Version 2.32

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 11 COMPLIANCE: Recommended: Compliance with this service bulletin is recommended for all HSI installations that are interfaced to a Garmin GTN or GNS navigator. PURPOSE: This STC Service Bulletin provides … Continued

Service Alert 2144: Noise Induced Erroneous Attitude

PRODUCTS AFFECTED: GSU 25C ADAHRS (011-02929-50) units with serial numbers 5Q2000000 through 5Q2099999, installed in experimental G3X or G3X Touch systems are affected. NOTEGSU 25A/B/D ADAHRS units are not affected. NOTECertified G3X Touch and GFC 500 installations are not affected. ISSUE: The GSU 25C Air Data, Attitude, and Heading Reference System (ADAHRS) can be subjected … Continued

G500/G600 TXi STC SA02571SE Display of Fuel Quantity in Piper PA-46-500TP Aircraft

PRODUCTS AFFECTED: G500/G600 TXi systems installed on Piper PA-46-500TP aircraft with fuel quantity gauges configured in accordance with Supplemental Type Certificate (STC) SA02571SE are affected. CERTIFICATION AUTHORIZATION: STC SA02571SE MDL Revision 13 COMPLIANCE: Mandatory: This STC Service Bulletin must be incorporated prior to aircraft return to service. PURPOSE: Prior to MDL Revision 13, the G500/G600 … 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: Mandatory The FAA issued Airworthiness Directive (AD) … Continued

GTS Processor Software Version 3.14 for GX000 Integrated Flight Decks

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 Garmin GX000 Integrated Flight Deck are affected.GTS Processors with software version 3.12.1 are not affected by this bulletin. CERTIFICATION AUTHORIZATION: TSO Authorization COMPLIANCE: MandatoryThe FAA issued Airworthiness Directive (AD) mandates that all GTS … Continued

Service Alert 20137 Rev B: Fuel Quantity Indication Error

REVISION B: Complete Revision PRODUCTS AFFECTED: All aircraft modified with G3X Touch AML STC SA01899WI, MDL Revision 9 or earlier, with an interface to resistive fuel quantity probes are affected. Aircraft that are not affected: Aircraft modified in accordance with G3X Touch STC SA01899WI, MDL Revision 10 or later Aircraft that have complied with Garmin … Continued

Service Advisory 2129: Inconsistent navigator selection of altitude constraints for some waypoints common to STARs and Instrument Approach Procedures

PRODUCTS AFFECTED: Garmin Pilot iOS, GTN 650/725/750, GTN Xi, G900X, G950, G950NXi, G1000, G1000NXi, G2000, G3000, and G5000 products are affected. ISSUE: In some cases, a Standard Terminal Arrival (STAR) Procedure and Instrument Approach Procedure (IAP) have a common waypoint marking the transition from one procedure to the next. The altitude/speed constraints for that waypoint, … Continued

Service Advisory 2111 Rev C: 3rd Party Wireless SD Cards

REVISION C: Updated Issue and Action PRODUCTS AFFECTED: All Garmin aviation products are affected. ISSUE: Operating the aircraft while using an unapproved wireless transceiver device inserted into the SD card slot of your Garmin navigator may induce a malfunction, may cause damage to the unit, and may negatively affect the airworthiness approval of the installation. … Continued

G5000 System Software V3343.02, FANS 1/A, ACARS, Reactive Windshear for Textron Aviation Inc. Model 560Excel/XLS

PRODUCTS AFFECTED: G5000-equipped Textron Model 560XL aircraft with System Software Version 3343.00 and 3343.01 are affected. CERTIFICATION AUTHORIZATION: STC ST01918WI MDL Revision 14 COMPLIANCE: Optional: This STC Service Bulletin may be incorporated at the owner’s discretion. PURPOSE: STC ST01918WI MDL Rev 14 provides software and hardware updates to support the optional FANS 1/A and ACARS … Continued

GTN Xi COM/NAV Radios

PRODUCTS AFFECTED: GTN 6XX/7XX Xi products with main software version 20.11 that are interfaced to a Garmin GTX 33/330(ES) using the RS-232 GTX Mode S format are affected. COMPLIANCE: Recommended: Compliance with this service bulletin is recommended at the next scheduled maintenance opportunity. PURPOSE: Pilots flying or taxiing along a 180-degree true track may see … Continued