What is the Terminal Radar Service Area (TRSA) best described as?

• A. An area where pilots can receive radar services; participation is voluntary but recommended
• B. An area where radar services are mandatory for all flights
• C. An area with no radar coverage
• D. An area that only supports IFR flights

Answer: (A)

TRSA is a radar-based service area around terminal airspace where ATC can provide radar vectoring, sequencing, and separation to pilots who elect to participate. The key point is that participation is voluntary, but it’s strongly recommended because it gives you enhanced ATC services and can make operations safer and more efficient in busy areas. If you don’t participate, you still operate in the same airspace, but you won’t receive the higher level of radar-based services from ATC. It’s not a region with no radar coverage, and it isn’t limited to IFR flights—the services are available to participating flights regardless of operating type.