AN ACR TWIN JET SUFFERS ENG DAMAGE AFTER A LOUD NOISE AND IS OFFERED SHORT VECTORS DURING CHKLIST READING NEAR JAX; FL.

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ON DEP CLBOUT; AT APPROX 1500 FT AGL ACFT EXPERIENCED LOUD BOOM FOLLOWED BY PARTIAL LOSS OF PWR IN R ENG; ALONG WITH ASSOCIATED VIBRATION AND A SLOW LOSS OF R HYD FLUID. LEVELED ACFT AT 2000 FT AGL AND DECLARED AN EMER. FOLLOWED COMPANY HYD EMER PROCS; BRIEFED LEAD FLT; SPOKE TO PAX; CONTACTED COMPANY AND RETURNED FOR A NORMAL APCH AND LNDG. ENG WAS KEPT RUNNING BECAUSE OF OUR HVY WT (APPROX 103000 LBS). NO ENG RED LINES HAD BEEN EXCEEDED; AND IT CONTINUED TO DEVELOP APPROX 50% PWR. ENG WAS SHUT DOWN AFTER CLRING RWY AND ACFT WAS INSPECTED BY CFR PERSONNEL BEFORE PROCEEDING TO GATE. FO AND ALL FLT ATTENDANTS PERFORMED DUTIES EXTREMELY WELL. OUR BIGGEST PROB BY FAR; DURING THIS EMER; WAS THE NEARLY CONSTANT CALLS FROM ATC'S DEP CTLR. WHEN WE FIRST DECLARED THE EMER; I STATED THAT I WANTED TO BE KEPT WITHIN 15 MI OF THE ARPT AND THAT WE NEEDED TO PERFORM A COUPLE OF CHKLISTS BEFORE WE WOULD BE READY TO RETURN FOR LNDG. IN THE 10-15 MINS WE WERE ON DEP; WE WERE NEEDLESSLY INTERRUPTED NUMEROUS TIMES WHILE PERFORMING EXTREMELY IMPORTANT DUTIES. THUS; OUR JOB WAS MADE MORE DIFFICULT BY ATC'S CONTINUED INTERRUPTIONS. THE LESS TALK THE BETTER. EVERYTHING WORKED OUT FINE IN THE END; BUT ATC COULD HAVE BEEN MORE HELPFUL BY DOING LESS. WE CERTAINLY DON'T NEED TO BE TOLD TO TURN L 10 DEGS; R 20 DEGS; AND THE LIKE DURING CRITICAL FLTS WHEN AN EMER HAS BEEN DECLARED.