Pilots Guide
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... the ground. Pilots must accept any user-serviceable parts. This notice is provided as safety-critical information in visually acquiring traffic. WARNING: Do not use data link weather information for maneuvering in nature and is subject to change and may differ slightly from the actual equipment. NOTE: All visual depictions contained within data link weather products may cause undesired operation. NOTE: The Garmin GDL 84/88 does not contain...
... the ground. Pilots must accept any user-serviceable parts. This notice is provided as safety-critical information in visually acquiring traffic. WARNING: Do not use data link weather information for maneuvering in nature and is subject to change and may differ slightly from the actual equipment. NOTE: All visual depictions contained within data link weather products may cause undesired operation. NOTE: The Garmin GDL 84/88 does not contain...
Pilots Guide
Page 4
... in accordance with Part 15 of the FCC limits for additional help if these remedies do not correct the problem. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in a particular installation. Consult an authorized dealer or other qualified avionics technician for Class B digital devices. ii Garmin GDL 84/88 ADS-B Transceiver Pilot's Guide 190-01122-03...
... in accordance with Part 15 of the FCC limits for additional help if these remedies do not correct the problem. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in a particular installation. Consult an authorized dealer or other qualified avionics technician for Class B digital devices. ii Garmin GDL 84/88 ADS-B Transceiver Pilot's Guide 190-01122-03...
Pilots Guide
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Please, have the serial number of product updates and new products and provides lost or stolen unit tracking. Registration ensures that you by completing our on the Home page. To obtain accessories for your unit, please contact your unit handy, connect to our web site (www.garmin.com or https://fly.garmin.com/fly-garmin) and look for our Product Registration link on -line registration form today! iv Garmin GDL 84/88 ADS-B Transceiver Pilot's Guide 190-01122-03 Rev. E Help us better support you will be notified of your Garmin dealer.
Please, have the serial number of product updates and new products and provides lost or stolen unit tracking. Registration ensures that you by completing our on the Home page. To obtain accessories for your unit, please contact your unit handy, connect to our web site (www.garmin.com or https://fly.garmin.com/fly-garmin) and look for our Product Registration link on -line registration form today! iv Garmin GDL 84/88 ADS-B Transceiver Pilot's Guide 190-01122-03 Rev. E Help us better support you will be notified of your Garmin dealer.
Pilots Guide
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...E Garmin GDL 84/88 ADS-B Transceiver Pilot's Guide v Contents 1 Introduction 1-1 1.1 GDL 84/88 System Functions 1-1 1.1.1 GDL 84 Functions 1-1 1.1.2 GDL 88 Functions 1-2 2 ADS-B System Overview 2-1 2.1 Automatic Dependent Surveillance - Broadcast (FIS-B 2-5 3 ADS-B Out 3-1 3.1 ADS-B Out Data 3-1 3.2 Self-Interrogation 3-2 3.3 Pressure Altitude Broadcast Inhibit (PABI 3-2 3.4 Anonymous Mode 3-3 3.5 Air/Ground Determination 3-3 4 ADS-B IN 4-1 4.1 ADS-B In Data 4-1 4.2 Traffic 4-2 4.2.1 Traffic Applications - Broadcast (TIS-B 2-4 2.4 Flight Information Service...
...E Garmin GDL 84/88 ADS-B Transceiver Pilot's Guide v Contents 1 Introduction 1-1 1.1 GDL 84/88 System Functions 1-1 1.1.1 GDL 84 Functions 1-1 1.1.2 GDL 88 Functions 1-2 2 ADS-B System Overview 2-1 2.1 Automatic Dependent Surveillance - Broadcast (FIS-B 2-5 3 ADS-B Out 3-1 3.1 ADS-B Out Data 3-1 3.2 Self-Interrogation 3-2 3.3 Pressure Altitude Broadcast Inhibit (PABI 3-2 3.4 Anonymous Mode 3-3 3.5 Air/Ground Determination 3-3 4 ADS-B IN 4-1 4.1 ADS-B In Data 4-1 4.2 Traffic 4-2 4.2.1 Traffic Applications - Broadcast (TIS-B 2-4 2.4 Flight Information Service...
Pilots Guide
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... Disabled 6-1 6.1.3 GDL 84/88 Only - No Display 6-1 6.1.4 External ADS-B Annunciator 6-1 6.2 Interfaces 6-3 6.2.1 Audio Panel 6-3 6.2.2 Altitude Source 6-3 6.2.3 Heading Source (optional 6-3 6.2.4 GPS Position Source 6-3 6.2.5 Radar Altimeter (Optional 6-3 6.2.6 Traffic Mute (Optional 6-3 6.2.7 Flight Stream Interface (Optional 6-4 7 Glossary 7-1 8 Appendix 8-1 8.1 Troubleshooting 8-1 8.2 Servicing Your Unit 8-1 8.3 Contact Garmin 8-1 8.4 Software License Agreement 8-2 8.5 LIMITED WARRANTY 8-3 Index...Index-1 vi Garmin GDL 84/88 ADS-B Transceiver Pilot's Guide 190-01122-03...
... Disabled 6-1 6.1.3 GDL 84/88 Only - No Display 6-1 6.1.4 External ADS-B Annunciator 6-1 6.2 Interfaces 6-3 6.2.1 Audio Panel 6-3 6.2.2 Altitude Source 6-3 6.2.3 Heading Source (optional 6-3 6.2.4 GPS Position Source 6-3 6.2.5 Radar Altimeter (Optional 6-3 6.2.6 Traffic Mute (Optional 6-3 6.2.7 Flight Stream Interface (Optional 6-4 7 Glossary 7-1 8 Appendix 8-1 8.1 Troubleshooting 8-1 8.2 Servicing Your Unit 8-1 8.3 Contact Garmin 8-1 8.4 Software License Agreement 8-2 8.5 LIMITED WARRANTY 8-3 Index...Index-1 vi Garmin GDL 84/88 ADS-B Transceiver Pilot's Guide 190-01122-03...
Pilots Guide
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... 1090 MHz The GDL 84 receives ADS-B data transmitted by aircraft on 978 MHz. E Garmin GDL 84/88 ADS-B Transceiver Pilot's Guide 1-1 1 INTRODUCTION The GDL 84/88 is a remotely mounted ADS-B transceiver with optional internal GPS/WAAS receiver which provides ADS-B out functions to meet FAR 91.227 and ADS-B In functions to provide traffic and datalink weather data to provided a comprehensive situational awareness traffic display for use by the flight crew.
... 1090 MHz The GDL 84 receives ADS-B data transmitted by aircraft on 978 MHz. E Garmin GDL 84/88 ADS-B Transceiver Pilot's Guide 1-1 1 INTRODUCTION The GDL 84/88 is a remotely mounted ADS-B transceiver with optional internal GPS/WAAS receiver which provides ADS-B out functions to meet FAR 91.227 and ADS-B In functions to provide traffic and datalink weather data to provided a comprehensive situational awareness traffic display for use by the flight crew.
Pilots Guide
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... contain much more data than just a simple position report, they include: identity (Flight ID, Call Sign, Tail Number, ICAO registration number, etc), ground track, ground speed, pressure altitude, indications of the ground station services being received. Examples for the GDL 88 2-2 Garmin GDL 84/88 ADS-B Transceiver Pilot's Guide 190-01122-03 Rev. See the display device Pilot Guide for the symbology used on fixed objects. FAA Illustration Garmin display units have a valid track or heading and...
... contain much more data than just a simple position report, they include: identity (Flight ID, Call Sign, Tail Number, ICAO registration number, etc), ground track, ground speed, pressure altitude, indications of the ground station services being received. Examples for the GDL 88 2-2 Garmin GDL 84/88 ADS-B Transceiver Pilot's Guide 190-01122-03 Rev. See the display device Pilot Guide for the symbology used on fixed objects. FAA Illustration Garmin display units have a valid track or heading and...
Pilots Guide
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... altitude, position, ground speed, and ground track. 2.3 Traffic Information Service - This aircraft is then included in secondary surveillance radar coverage and transmitting altitude. ATC radar tracks for other aircraft is present (see Section 2.1) , TIS-B services are not being provided TIS-B service and is provided by the ground station, to your aircraft and the traffic picture may not be complete. 2-4 Garmin GDL 84/88 ADS-B Transceiver Pilot's Guide 190-01122-03 Rev. Broadcast (TIS-B) TIS...
... altitude, position, ground speed, and ground track. 2.3 Traffic Information Service - This aircraft is then included in secondary surveillance radar coverage and transmitting altitude. ATC radar tracks for other aircraft is present (see Section 2.1) , TIS-B services are not being provided TIS-B service and is provided by the ground station, to your aircraft and the traffic picture may not be complete. 2-4 Garmin GDL 84/88 ADS-B Transceiver Pilot's Guide 190-01122-03 Rev. Broadcast (TIS-B) TIS...
Pilots Guide
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... 190-01122-03 Rev. E Garmin GDL 84/88 ADS-B Transceiver Pilot's Guide 2-5 Broadcast (FIS-B) FIS-B is provided on the 978 MHz link only and is broadcast from the FAA ground stations continuously. These products, update rates, and coverages are specified in the cockpit to be used by the flight crew for display in the Aeronautical Information Manual. Examples of these products include...
... 190-01122-03 Rev. E Garmin GDL 84/88 ADS-B Transceiver Pilot's Guide 2-5 Broadcast (FIS-B) FIS-B is provided on the 978 MHz link only and is broadcast from the FAA ground stations continuously. These products, update rates, and coverages are specified in the cockpit to be used by the flight crew for display in the Aeronautical Information Manual. Examples of these products include...
Pilots Guide
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... able to position and separate aircraft with improved precision and timing. 3.1 ADS-B Out Data ADS-B Out data is transmitted on the UAT (978 MHz). • GPS position • Altitude • Position Integrity • Ground Track and/or Heading • Ground Speed • Velocity Integrity • Air/Ground State • Identifying information (Transponder Squawk Code, Call sign, ICAO Registration Number, Flight ID), integrity, and capability data. Figure 3-1 GDL 84/88 ADS...
... able to position and separate aircraft with improved precision and timing. 3.1 ADS-B Out Data ADS-B Out data is transmitted on the UAT (978 MHz). • GPS position • Altitude • Position Integrity • Ground Track and/or Heading • Ground Speed • Velocity Integrity • Air/Ground State • Identifying information (Transponder Squawk Code, Call sign, ICAO Registration Number, Flight ID), integrity, and capability data. Figure 3-1 GDL 84/88 ADS...
Pilots Guide
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... the flight crew to reply including the squawk code, IDENT status, and emergency status. E This control is required to be activated unless directed by ATC. 3-2 Garmin GDL 84/88 ADS-B Transceiver Pilot's Guide 190-01122-03 Rev. This interrogation imitates interrogations received from ground based surface search radars causing the transponder to inhibit the transmission of equipment installed in the other aircraft is...
... the flight crew to reply including the squawk code, IDENT status, and emergency status. E This control is required to be activated unless directed by ATC. 3-2 Garmin GDL 84/88 ADS-B Transceiver Pilot's Guide 190-01122-03 Rev. This interrogation imitates interrogations received from ground based surface search radars causing the transponder to inhibit the transmission of equipment installed in the other aircraft is...
Pilots Guide
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... will use that input to determine air/ground status. Anonymous Mode is not available in the cockpit or via a switch in aircraft with a temporary randomized number for on-ground aircraft. E Garmin GDL 84/88 ADS-B Transceiver Pilot's Guide 3-3 When a VFR squawk is present in the transponder and anonymous mode is selected, the GDL 84/88 operates in anonymous mode and no identifying information is interfaced to a weight on GPS vertical velocity, track, and ground speed...
... will use that input to determine air/ground status. Anonymous Mode is not available in the cockpit or via a switch in aircraft with a temporary randomized number for on-ground aircraft. E Garmin GDL 84/88 ADS-B Transceiver Pilot's Guide 3-3 When a VFR squawk is present in the transponder and anonymous mode is selected, the GDL 84/88 operates in anonymous mode and no identifying information is interfaced to a weight on GPS vertical velocity, track, and ground speed...
Pilots Guide
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... TIS-B's service volumes and the incomplete equipage/ adoption of surrounding traffic. AIRB is possible that a single target aircraft may be briefly or periodically depicted as shown by the GDL 84/88. 4.2 Traffic The GDL 84/88 receives traffic from and 1,500 feet above the nearest airport. 4-2 Garmin GDL 84/88 ADS-B Transceiver Pilot's Guide 190-01122-03 Rev. SURF, AIRB, etc When the GDL 88 is interfaced to a certified compatible display unit, a traffic display...
... TIS-B's service volumes and the incomplete equipage/ adoption of surrounding traffic. AIRB is possible that a single target aircraft may be briefly or periodically depicted as shown by the GDL 84/88. 4.2 Traffic The GDL 84/88 receives traffic from and 1,500 feet above the nearest airport. 4-2 Garmin GDL 84/88 ADS-B Transceiver Pilot's Guide 190-01122-03 Rev. SURF, AIRB, etc When the GDL 88 is interfaced to a certified compatible display unit, a traffic display...
Pilots Guide
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Refer to the display Pilot Guide for information about controls and indications. 4.2.1.2 Airport Area Alerting A GDL 88 (only) installed in a helicopter and with a GDL 88 installed but no source of heading data provided to the GDL 88. When operating at low speeds due to the ability of the helicopter to fly backward or sideways the following limitations are applicable to helicopters with an interfaced Garmin navigator or Radar Altimeter offers additional traffic alerting in...
Refer to the display Pilot Guide for information about controls and indications. 4.2.1.2 Airport Area Alerting A GDL 88 (only) installed in a helicopter and with a GDL 88 installed but no source of heading data provided to the GDL 88. When operating at low speeds due to the ability of the helicopter to fly backward or sideways the following limitations are applicable to helicopters with an interfaced Garmin navigator or Radar Altimeter offers additional traffic alerting in...
Pilots Guide
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... Miles." 4-6 Garmin GDL 84/88 ADS-B Transceiver Pilot's Guide 190-01122-03 Rev. When a GDL 88 and TAS/TCAS system are integrated, the GDL 88 controls the Altitude Display and operating mode of the TAS/TCAS system using the air/ ground logic in a Track Up orientation while airborne, but bearing of the TCAS targets relative to be displayed on the moving map with ground features depicted. E Alert Active? Active? The GDL 84/88 issues...
... Miles." 4-6 Garmin GDL 84/88 ADS-B Transceiver Pilot's Guide 190-01122-03 Rev. When a GDL 88 and TAS/TCAS system are integrated, the GDL 88 controls the Altitude Display and operating mode of the TAS/TCAS system using the air/ ground logic in a Track Up orientation while airborne, but bearing of the TCAS targets relative to be displayed on the moving map with ground features depicted. E Alert Active? Active? The GDL 84/88 issues...
Pilots Guide
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... FIS-B Weather Precipitation Legend 5-2 Garmin GDL 84/88 ADS-B Transceiver Pilot's Guide 190-01122-03 Rev. Precipitation intensity is a graphic weather display overlaid on personal electronic devices, such as tablets, via Flight Stream. An extensive network of NEXRAD stations provides almost complete radar coverage of how precipitation data is 124 nautical miles. FIS-B is displayed using colors corresponding to the dBZ values. WARNING: Weather data received by...
... FIS-B Weather Precipitation Legend 5-2 Garmin GDL 84/88 ADS-B Transceiver Pilot's Guide 190-01122-03 Rev. Precipitation intensity is a graphic weather display overlaid on personal electronic devices, such as tablets, via Flight Stream. An extensive network of NEXRAD stations provides almost complete radar coverage of how precipitation data is 124 nautical miles. FIS-B is displayed using colors corresponding to the dBZ values. WARNING: Weather data received by...
Pilots Guide
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... low altitude is limited by the distance from preflight planning or Flight Service Station to determine more complete TFR information. 190-01122-03 Rev. Continental US (CONUS) NEXRAD The Display CONUS NEXRAD selection shows NEXRAD radar information for local short term restrictions. Combined NEXRAD Regional NEXRAD data within 250 miles of information for clear air mode). A good source of the aircraft location. Affected...
... low altitude is limited by the distance from preflight planning or Flight Service Station to determine more complete TFR information. 190-01122-03 Rev. Continental US (CONUS) NEXRAD The Display CONUS NEXRAD selection shows NEXRAD radar information for local short term restrictions. Combined NEXRAD Regional NEXRAD data within 250 miles of information for clear air mode). A good source of the aircraft location. Affected...
Pilots Guide
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... the airspace around an aircraft for situational awareness. PABI Pressure Altitude Broadcast Inhibit. A space-based Navigation system providing accurate position, velocity and time information. An ADS-B In application that provides the ADS-B and external traffic system targets on the Universal Access Transceiver (UAT) or the 978 MHz link. HAT HSDB Height Above Terrain Garmin's proprietary High Speed Data Bus (Ethernet). Garmin GDL 84/88 ADS-B Transceiver Pilot's Guide...
... the airspace around an aircraft for situational awareness. PABI Pressure Altitude Broadcast Inhibit. A space-based Navigation system providing accurate position, velocity and time information. An ADS-B In application that provides the ADS-B and external traffic system targets on the Universal Access Transceiver (UAT) or the 978 MHz link. HAT HSDB Height Above Terrain Garmin's proprietary High Speed Data Bus (Ethernet). Garmin GDL 84/88 ADS-B Transceiver Pilot's Guide...
Pilots Guide
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8 APPENDIX 8.1 Troubleshooting If efforts to resolve the problem fail, contact your unit, take it to an authorized Garmin dealer for technical assistance. Should you have the following information ready: • System configuration (products, antennas, mounting locations, etc.) • Model No., part number, and serial number • Software versions • Description of the problem • Efforts made to isolate/solve the problem Garmin International, Inc. E Garmin GDL 84/88 ADS-B Transceiver Pilot's Guide 8-1 or go to...
8 APPENDIX 8.1 Troubleshooting If efforts to resolve the problem fail, contact your unit, take it to an authorized Garmin dealer for technical assistance. Should you have the following information ready: • System configuration (products, antennas, mounting locations, etc.) • Model No., part number, and serial number • Software versions • Description of the problem • Efforts made to isolate/solve the problem Garmin International, Inc. E Garmin GDL 84/88 ADS-B Transceiver Pilot's Guide 8-1 or go to...
Pilots Guide
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..., or other acts of nature or external causes; (iv) damage caused by service performed by anyone who is not an authorized service provider of Garmin; Within the applicable period, Garmin will be made at its sole discretion. Such repairs or replacement will , at no charge to the customer for new Remote-Mount and Panel-Mount products; THE WARRANTIES AND REMEDIES CONTAINED HEREIN...
..., or other acts of nature or external causes; (iv) damage caused by service performed by anyone who is not an authorized service provider of Garmin; Within the applicable period, Garmin will be made at its sole discretion. Such repairs or replacement will , at no charge to the customer for new Remote-Mount and Panel-Mount products; THE WARRANTIES AND REMEDIES CONTAINED HEREIN...
