- An aircraft cancels its IFR flight plan, except within Class B airspace, Class C airspace, a TRSA, or where Basic Radar service is provided.
- An aircraft conducting an instrument, visual, or contact approach has landed or has been instructed to change to advisory frequency.
- An arriving VFR aircraft, receiving radar service to a tower-controlled airport within Class B airspace, Class C airspace, a TRSA, or where sequencing service is provided, has landed; or to all other airports, is instructed to change to tower or advisory frequency.
- An aircraft completes a radar approach.
RADAR Service Terminated
Source: Pilot Contoller Glossary (PCG)