STCW definitely order that the officer of watch onboard a ship of more than 500 ton must have the ability to use radar and ARPA to keep the voyage in safe stage.

STCW公约明确要求500总吨或以上船舶，负责航行值班的高级船员能使用雷达和自动雷达标绘仪保持安全航行。

youdao

S-class is an example, with an onboard navigation system to map your route, radar to watch the road ahead and automatic cruise control.

ECONOMIST: Luxury cars

The next generation of environment-sensing cars will use more than just radar and infrared sensors to watch for signs of trouble.

CNN: Behold the?all-seeing, self-parking, safety-enforcing, networked car

Mike Clemens, assistant special agent in charge of the Maryland-Delaware FBI office, said Tuesday that Jarrah was "not on the radar screen" on September 9 and a watch list was not available at that time.

CNN: Hanjour