Do I Need to Equip?

Does your aircraft have an engine-driven electrical system?

NO → Typically balloons, gliders

Do you operate your aircraft in Class A airspace, or in or above Class B airspace, or in or above Class C airspace?

YES
↓

 

YES
↓

NO
↓

Do you operate your aircraft above 10,000 feet MSL within the 48 States or DC?

ADS-B Required
Call sign must match*

ADS-B not required

NO
↓

YES
↓

 

If you operate your aircraft above 10,000 feet MSL within the 48 States or DC do you remain below 2,500 feet AGL?

YES
↓

NO
↓

Do you operate your aircraft in or above Class B Airspace?

YES →

ADS-B Required
Call sign must match*

NO
↓

 

Do you operate your aircraft in or above Class C Airspace?

YES →

ADS-B Required
Call sign must match*

NO
↓

 

Do you operate your aircraft in Class E Airspace above 3000 feet MSL over the Gulf of America within 12 NM of the US coastline?

YES →

ADS-B Required
Call sign must match*

NO
↓

 

Do you operate your aircraft within the Mode C veil (30 NM radius of any airport listed in appendix D to part 91)?

YES →

ADS-B Required
Call sign must match*

NO
↓

 

ADS-B not required

 

*Do you use a temporary unique call sign? (e.g. DCM123)

Call sign and ADS-B transmitter must match. Learn more

Nobody likes a mismatch. Flight plan call sign must match ADS-B transmitted call sign. Make checking your call sign ID part of your preflight checklist.

Last updated: Monday, March 3, 2025