Starting January 1, 2020, you must be equipped with ADS-B Out to fly in most controlled airspace:
|Class B||Generally, from surface to 10,000 feet mean sea level (MSL) including the airspace from portions of Class Bravo that extend beyond the Mode C Veil up to 10,000 feet MSL (e.g. SEA, CLE, PHX)|
|Class C||Generally, from surface up to 4,000 feet MSL including the airspace above the horizontal boundary up to 10,000 feet MSL|
|Class E||Above 10,000 feet MSL over the 48 states and DC, excluding airspace at and below 2,500 feet AGL|
|Over the Gulf of Mexico at and above 3,000 feet MSL within 12 nautical miles of the coastline of the United States|
|Mode C Veil||Airspace within a 30 NM radius of any airport listed in Appendix D, Section 1 of Part 91 (e.g. SEA, CLE, PHX) from the surface up to 10,000 feet MSL|
Any airspace that requires the use of a Transponder today will on January 01, 2020 also require aircraft to be equipped with a Version 2 ADS-B Out system. This can be either a 1090ES (DO-260B) ADS-B system or a UAT (DO-282B) ADS-B system.
For aircraft operating above FL180 (18,000 ft.) or to comply with ADS-B mandates outside the United States, you must be equipped with a Mode-S transponder-based ADS-B transmitter. For aircraft operating below 18,000 ft. and within the United States ADS-B rule airspace, you must be equipped with either a Mode-S transponder-based ADS-B transmitter or with UAT equipment.
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Interactive ADS-B Airspace Map
Download the Equip ADS-B Google Earth map (KMZ) to look at the location of ADS-B rule airspace at your home base and where you fly. Pan and zoom to different locations and turn on the various capabilities the map includes:
- 3-dimensional depictions of rule airspace and airports
- Overlays of ADS-B surveillance coverage — airspace where ATC can see aircraft transmitting ADS-B Out information at altitudes of 500', 1,500', 3,000', 5,000' and 10,000' AGL