MIL BEECH UC12 FLC HAS A PROB GOING INTO NZY; NORTH ISLAND NAS. THEY CANNOT PROGRAM THEIR FMS TO PERFORM THE STAR TO SAN; BARET.BARET4 STAR.SAN. THENCE ONTO NZY WITH NZY AS FINAL WAYPOINT IN THEIR LEGS OR RTE PAGES. THEY MUST REPROGRAM THE FMS ONCE COMPLETED WITH THE STAR; HAVING USED SAN AS THE FINAL DEST POINT.

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OUR C12 IS EQUIPPED WITH THE IEC 9002 FMS (GPS SENSOR) AND USES A COMMERCIAL CHART DATABASE (UPDATED EVERY 28 DAYS). TO PROPERLY UTILIZE THE FMS; YOU MUST INPUT THE ORIGIN AND DEST. I WAS COMING FROM ABQ TO NZY (ABQ; NM -- NAS NORTH ISLAND). I WAS SUBSEQUENTLY CLRED FOR THE BARET 4 ARR (BARET.BARET4) OFF THE IMPERIAL (IPL) TRANSITION. THE DOD FLIP (TERMINAL) CIVIL SIDS; STAR AND PROFILE DSCNT PROCS BOOKLET; PAGE X LISTS THE BARET 4 UNDER NZY (AS WELL AS SAN). THE FMS LISTS THE BARET 4 UNDER SAN ONLY. THEREFORE; I MUST CHANGE MY DEST ON THE FMS TO FLY THE BARET 4 AND THEN REPROGRAM THE FMS ONCE FINISHED FLYING THE BARET 4 AND THEN PUT NZY BACK IN THE FMS AS MY DEST. TOO MUCH WORK DOWN LOW IN THE TERMINAL AREA. CAN WE CORRECT THE DATABASE? CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: RPTR CALLED BACK. HE STATED THAT HE FELT THIS WAS A PROB FOR THE CREWS GOING INTO NORTH ISLAND. A LENGTHY DISCUSSION WAS HELD; WITH THE RPTR FINALLY CONCEDING THAT THE FLT TO NORTH ISLAND WOULD HAVE TO BE A VISUAL APCH IN ANY CIRCUMSTANCE AND THE FMS WAS NOT NEEDED OR UTILIZED FOR THAT. HE WAS SIMPLY CURIOUS AS TO WHY THIS FINAL DEST COULD NOT BE IN THE DATABASE FOR THE FMS. RPTR DID NOT SOUND LIKE HE WANTED TO MAKE A FURTHER ISSUE OF THIS SUBJECT.