Page 3 - CAUTION
i 190-01122-03 Rev. A GDL 88 ADS-B Transceiver Pilot’s Guide WARNING: For safety reasons, GDL 88 operational procedures must be learned on the ground. WARNING: This unit provides the ability to receive weather information through external sources. Use weather data only as an aid to situational aware...
Page 4 - NOTE
ii GDL 88 ADS-B Transceiver Pilot’s Guide 190-01122-03 Rev. A NOTE : This device complies with Part 15 of the FCC limits for Class B digital devices. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause h...
Page 5 - Record of Revisions
iii 190-01122-03 Rev. A GDL 88 ADS-B Transceiver Pilot’s Guide Record of Revisions Part Number Revision Date Description 190-01122-03 A 10/19/12 Initial release
Page 7 - Contents
v 190-01122-03 Rev. A GDL 88 ADS-B Transceiver Pilot’s Guide Contents 1 Introduction .........................................................................................1-1 1.1 GDL 88(D) System Functions ................................................................ 1-11.2 GDL 88 Part Numbers...
Page 9 - INTRODUCTION; I systems
1-1 190-01122-03 Rev. A GDL 88 ADS-B Transceiver Pilot’s Guide 1 INTRODUCTION The GDL 88 is a remotely mounted ADS-B transceiver. There are four models of the GDL 88(D). Models with a single bottom mounted UAT antenna meet TSO C154c Class A1S and are available with or without an internal GPS/SBAS re...
Page 10 - products for display on compatible displays.; GDL 88 Part Numbers; Part Number
1-2 GDL 88 ADS-B Transceiver Pilot’s Guide 190-01122-03 Rev. A products for display on compatible displays. • Traffic alerting The GDL 88 provides aural and visual cues of impending traffic conflicts, to include directional aural (“Traffic, Traffic, Two O’clock, Two Miles, Low”). • Single point of e...
Page 11 - ADS-B SYSTEM OVERVIEW; 012, with most of the rest — totaling more than 700 planned stations —
2-1 190-01122-03 Rev. A GDL 88 ADS-B Transceiver Pilot’s Guide 2 ADS-B SYSTEM OVERVIEW ADS-B is a core technology in the FAA Next Gen air traffic control system and is comprised of three segments: ADS-B (Broadcast), ADS-R (Rebroadcast), and TIS-B. Nearly 400 ADS-B ground stations were completed and ...
Page 13 - Unit; GNS
2-3 190-01122-03 Rev. A GDL 88 ADS-B Transceiver Pilot’s Guide 2.1 ADS-B - Broadcast (ADS-B) ADS-B is the automatic broadcast of position reports by aircraft, surface vehicles, and transmitters on fixed objects. These broadcasts contain much more data than just a simple position report, they include...
Page 14 - Automatic Dependent Surveillance –; coverage and ADS-R to provide this complete picture.
2-4 GDL 88 ADS-B Transceiver Pilot’s Guide 190-01122-03 Rev. A 2.2 Automatic Dependent Surveillance – Rebroadcast (ADS-R) Because it is not required that ADS-B In capable aircraft be able to receive ADS-B data on both the 1090 MHz and 978 MHz data links, a means to get data from one data link to the...
Page 17 - GDL 88 ADS-B Out Data
3-1 190-01122-03 Rev. A GDL 88 ADS-B Transceiver Pilot’s Guide 3 GDL 88 ADS-B OUT ADS-B Out sends information from the aircraft so it can be “seen” by other aircraft using ADS-B In equipment and FAA ground stations. ADS–B Out provides air traffic controllers with real-time position information that ...
Page 18 - Yes; Pressure Altitude Broadcast Inhibit (PABI)
3-2 GDL 88 ADS-B Transceiver Pilot’s Guide 190-01122-03 Rev. A The following table describes the aircraft that will be observed by a GDL 88 equipped aircraft according to the level of equipment installed in the other aircraft. Other Aircraft Equipage Viewable by GDL 88 Equipped Aircraft 1090ES Out E...
Page 19 - Anonymous Mode; of 1200 on a Mode A or Mode C transponder. The mode is armed
3-3 190-01122-03 Rev. A GDL 88 ADS-B Transceiver Pilot’s Guide 3.4 Anonymous Mode The GDL 88 provides an Anonymous Mode which broadcasts a randomized ICAO address in the ADS-B Out message. The Anonymous Mode, when armed, will replace the Flight ID with a temporary randomized number for privacy while...
Page 21 - information from a ground station)
4-1 190-01122-03 Rev. A GDL 88 ADS-B Transceiver Pilot’s Guide 4 GDL 88 ADS-B IN The ADS-B In capability allows the GDL 88 to receive data through the UAT (978 MHz) and the 1090 MHz receiver. The UAT receives data directly from another ADS-B transmitting aircraft, ADS-B data from ground stations (AD...
Page 25 - Installations with the GDL 88 interface to a TAS/TCAS/TCAD
4-5 190-01122-03 Rev. A GDL 88 ADS-B Transceiver Pilot’s Guide 4.2.2 GDL 88 Integration with TCAD/TAS/TCAS I Installations with the GDL 88 interface to a TAS/TCAS/TCAD traffic system require a display to be installed. Figure 4-4 GDL 88 With TCAS Not In Ground Station Coverage When an active traffic ...
Page 26 - No-Heading Source Traffic Information; source, they are subject to certain limitations:
4-6 GDL 88 ADS-B Transceiver Pilot’s Guide 190-01122-03 Rev. A When a GDL 88 and TAS/TCAS system are integrated, the GDL 88 controls the mode of the TAS/TCAS system using the air/ground logic in the GDL 88, as well as from the mode controls available on the interfaced display. 4.2.3 No-Heading Sourc...
Page 27 - Approach
4-7 190-01122-03 Rev. A GDL 88 ADS-B Transceiver Pilot’s Guide Radar Altitude (RA) or Height Above Terrain (HAT) (if Available) GPS Phase of Flight RA, HAT, and GPS Flight Phase Not Available OR GPS Phase of Flight Not Approach or Terminal Sensitivity Level Look- Ahead Time(s) Vertical Threshold for...
Page 29 - WEATHER; regular basis, in accordance with the following table:; Weather Product
5-1 190-01122-03 Rev. A GDL 88 ADS-B Transceiver Pilot’s Guide 5 WEATHER The Flight Information Services (FIS-B) function is capable of displaying textual and graphic weather information with GDL 88 installations. No subscription for FIS-B services is required with the GDL 88. The FIS-B Function is ...
Page 30 - NEXRAD; The FIS-B Function is a graphic weather
5-2 GDL 88 ADS-B Transceiver Pilot’s Guide 190-01122-03 Rev. A WARNING: Do not use the indicated data link weather product age to determine the age of the weather information shown by the data link weather product. Due to time delays inherent in gathering and processing weather data for data link tr...
Page 31 - NEXRAD Abnormalities; • Interference from buildings or mountains; NEXRAD Limitations; • NEXRAD base reflectivity
5-3 190-01122-03 Rev. A GDL 88 ADS-B Transceiver Pilot’s Guide NOTE : FIS-B NEXRAD does not differentiate between frozen and liquid precipitation. The FIS-B NEXRAD intensity colors (as shown below) may differ from the intensity colors from other providers. 5.1.1 NEXRAD Abnormalities There are possib...
Page 32 - NEXRAD Intensity; returned to the radar; When enabled, NEXRAD weather information is shown. Composite data; Regional NEXRAD
5-4 GDL 88 ADS-B Transceiver Pilot’s Guide 190-01122-03 Rev. A 5.1.3 NEXRAD Intensity Colors are used to identify the different NEXRAD echo intensities (reflectivity ) measured in dBZ (decibels of Z). “Reflectivity” is the amount of transmitted power returned to the radar receiver. Reflectivity (des...
Page 33 - as colored flags at airports; METAR Symbol; update rate is approximately every 20 minutes.
5-5 190-01122-03 Rev. A GDL 88 ADS-B Transceiver Pilot’s Guide 5.2 FIS-B TFRs Temporary Flight Restrictions (TFRs) provide detailed information for local short term restrictions. The update rate is approximately every 20 minutes. NOTE : Some TFRs may not be shown or information may be incomplete. Th...
Page 34 - FIS-B Winds and Temperatures Aloft
5-6 GDL 88 ADS-B Transceiver Pilot’s Guide 190-01122-03 Rev. A 5.5 FIS-B Winds and Temperatures Aloft Winds and Temperatures Aloft data shows the forecast wind speed, direction, and Temperature at selected altitudes. Altitudes can be selected in increments from the 1,000 feet up to 53,000 feet. The ...
Page 35 - INSTALLATION CONFIGURATIONS; Possible Installation Configurations; GDL 88 with ADS-B Out Transmission Enabled
6-1 190-01122-03 Rev. A GDL 88 ADS-B Transceiver Pilot’s Guide 6 INSTALLATION CONFIGURATIONS 6.1 Possible Installation Configurations 6.1.1 GDL 88 with ADS-B Out Transmission Enabled The GDL 88 can provide for both the ADS-B Out and ADS-B In functionality. In this case, the GDL 88 transmits ADS-B me...
Page 36 - Audio Panel; compatible unswitched unmuted audio input.; TAS and TCAS Traffic Systems
6-2 GDL 88 ADS-B Transceiver Pilot’s Guide 190-01122-03 Rev. A 6.2 Interfaces 6.2.1 Audio Panel Traffic alert audio output is interfaced to a required audio panel with a compatible unswitched unmuted audio input. 6.2.2 Altitude Source The GDL 88 requires the use of an ownship pressure altitude for t...
Page 37 - GLOSSARY
7-1 190-01122-03 Rev. A GDL 88 ADS-B Transceiver Pilot’s Guide 7 GLOSSARY ADS-B Automatic Dependent Surveillance Broadcast. Automatic Dependent Surveillance–Broadcast (ADS–B) equipment is an advanced surveillance technology that combines an aircraft’s positioning source, aircraft avionics, and a gro...
Page 41 - APPENDIX; for technical assistance.; External ADS-B Annunciator
8-1 190-01122-03 Rev. A GDL 88 ADS-B Transceiver Pilot’s Guide 8 APPENDIX 8.1 Troubleshooting If efforts to resolve the problem fail, contact your dealer or customer service for technical assistance. Please have the following information ready: • System configuration (products, antennas, mounting lo...
Page 42 - Reporting; Servicing Your Unit; permanent damage to the equipment.; Contact Garmin
8-2 GDL 88 ADS-B Transceiver Pilot’s Guide 190-01122-03 Rev. A Reporting Priority Fault Type ADS-B Annunciator Light(s) Activated Description 1 Transmit Fail Both A GDL 88 internal malfunction, antenna malfunction, or incorrect configuration setting prevent transmission. 2 No Position NO POSN The GD...
Page 43 - Software License Agreement; BY USING THE GDL 88, YOU AGREE TO BE BOUND BY THE TERMS AND
8-3 190-01122-03 Rev. A GDL 88 ADS-B Transceiver Pilot’s Guide 8.4 Software License Agreement BY USING THE GDL 88, YOU AGREE TO BE BOUND BY THE TERMS AND CONDITIONS OF THE FOLLOWING SOFTWARE LICENSE AGREEMENT. PLEASE READ THIS AGREEMENT CAREFULLY. Garmin grants you a limited license to use the softw...
Page 44 - LIMITED WARRANTY
8-4 GDL 88 ADS-B Transceiver Pilot’s Guide 190-01122-03 Rev. A 8.5 LIMITED WARRANTY All Garmin avionics products are warranted to be free from defects in materials or workmanship for: two years from the date of purchase for new Remote-Mount and Panel-Mount products; one year from the date of purchas...
Page 45 - INDEX
Index-1 190-01122-03 Rev. A GDL 88 ADS-B Transceiver Pilot’s Guide INDEX A ADS-B 2-3ADS-B annunciator 8-1ADS-B In 4-1ADS-B Out 3-1, 6-1ADS-R 2-4AIRB 4-2Air/Ground 3-3AIRMETs 5-1, 5-6Airports 5-5Altitude 6-2Anonymous mode 3-3Antenna 5-3Appendix 8-1Audio panel 6-2 C Cautions iCombined NEXRAD 5-4Confli...
