ACR X LANDED WITHOUT CLRNC.

Narrative

ACR X RECEIVING RADAR VECTORS FROM APCH CTL; WE WERE TOLD TO FOLLOW COMPANY SAAB TFC WHOM WE HAD IN SIGHT. THE BEFORE LNDG CHKLIST WAS COMPLETED; AND SPECIAL ATTN WAS MADE TO KEEP TFC IN SIGHT AS IT WAS HAZY. WE OBSERVED TFC AHEAD LAND AND TAXI CLR OF THE RWY. THE RWY WAS CLR AND WE LANDED. AS WE TAXIED OFF THE RWY; WE OBSERVED THAT WE WERE STILL ON APCH FREQ. WE HAD NEVER BEEN HANDED OFF TO TWR. WE THEN CONTACTED GND AND WERE CLRED TO THE RAMP. ALTHOUGH NOT TOLD TO CALL TWR; WE CONTACTED THEM AND APOLOGIZED. THE SUPVR TOLD US THAT THERE WERE NO PROBS. SUPPLEMENTAL INFO FROM ACN 302541: RECEIVING RADAR VECTORS FROM APCH CTL; WE WERE TOLD TO FOLLOW COMPANY SAAB IN FRONT OF US WHICH WE HAD IN SIGHT. THE CREW FINISHED THE LNDG CHKLIST; KEEPING SPECIAL ATTN TO THE TFC SINCE IT WAS A LITTLE HAZY. WE WATCHED THE OTHER ACFT LNDG AND TAXIED CLR OF THE RWY. WE SAW THAT THE RWY WAS CLR AND LANDED. I WAS NOT TOLD TO CALL THE TWR; HOWEVER; UPON FINDING THE NEAREST PHONE; CALLED THE TWR AND APOLOGIZED. THE TWR SUPVR SAID IT WAS NO PROB.