cgas san diego is also adjacent to sector san diego which houses two 41-foot utility boats, two uscg rigid hull inflatable boats (rhib's), one rb-hs and three rb-s. being implemented are two special purpose craft-law enforcement (spc-le), which are uscg vessels used for maritime law enforcement. the spc-le's have three mercury marine engines along with some of the most advanced electronics systems in existence. also at the station are two uscg coastal patrol boats. the air station is physically separated from the rest of the airfield, such that uscg fixed-wing aircraft must cross a busy, 6-lane city street to reach the runway; street light activation opens the locked gates to the airfield and the air station, and also stops traffic while aircraft are traversing the street.