### Question
What does non-movement area surveillance surface display systems and sensors mean?


### Answer
**Non-movement area surveillance surface display systems and sensors** has the following meaning in *49 U.S.C. § 47143*:

> a non-Federal surveillance system that uses on-airport sensors that track vehicles or aircraft that are equipped with transponders in the non-movement area

#### Citation:
  - *49 U.S.C. § 47143*
  - Heading: **SUBTITLE VII-AVIATION PROGRAMS > PART B-AIRPORT DEVELOPMENT AND NOISE > CHAPTER 471-AIRPORT DEVELOPMENT > SUBCHAPTER I-AIRPORT IMPROVEMENT**

