MU30 CREW HAD LOSS OF HYD FLUID AND MALFUNCTIONING EMER BRAKES AT SGF.

Narrative

I WAS CAPT OF ACFT X; (MU300) ON THE EVENING OF AUG/XA/01. WE WERE ENRTE FROM CPS TO SGF. DURING CRUISE; THE 'HYD LEVEL LOW' LIGHT ILLUMINATED. WE CONSULTED THE APPROPRIATE CHKLIST. IT SAID TO MONITOR THE PRESSURE AND TO CONTINUE FLT. A SHORT TIME LATER; THE R SIDE 'HYD PUMP' LIGHT ILLUMINATED AND WE SAW THAT THE PRESSURE WAS DROPPING RAPIDLY. WE ATTEMPTED TO GET THE LNDG GEAR DOWN BEFORE WE LOST ALL PRESSURE BUT WAS NOT SUCCESSFUL. ONLY THE NOSE GEAR AND L MAIN GEAR LOCKED INTO PLACE. THE R GEAR DID NOT. WE THEN PERFORMED THE 'EMER GEAR EXTENSION' PROC WHICH THEN LOCKED THE R GEAR INTO PLACE ILLUMINATING ALL 3 GREEN GEAR LIGHTS. THERE WAS A MOMENTARY 'SURGE' OF HYD PRESSURE AS WE WERE ON THE DOWNWIND LEG AT SGF; SO WE WERE ABLE TO GET MOST OF OUR FLAPS BEFORE LOSING ALL HYD FLUID PRESSURE AGAIN. BEING HYD BRAKES; WE KNEW THAT UPON LNDG WE WOULD HAVE TO USE THE EMER BRAKES; WHICH ARE OPERATED BY A LEVER IN THE COCKPIT AND A NITROGEN BOTTLE. WITH THIS SYS YOU DO NOT HAVE 'ANTI-SKID' PROTECTION. UPON TOUCHDOWN I TOLD MY FO TO BEGIN APPLYING THE EMER BRAKES. THE BRAKES SEEMED TO BE APPLYING UNEVEN PRESSURE TO EACH SIDE; CAUSING US TO PULL FROM ONE SIDE THEN TO THE OTHER. THEN THE BRAKES LOCKED UP COMPLETELY CAUSING US TO SKID AND SWAY SIDE TO SIDE. THE R MAIN TIRE THEN BLEW. I WAS ABLE TO KEEP THE ACFT ON THE RWY TO A COMPLETE STOP. BECAUSE WE HAD DECLARED AN EMER EARLIER; THE FIRE EQUIP WAS ON THE SCENE IMMEDIATELY; BUT WAS NOT NEEDED. WE EVACED THE ACFT ON THE RWY AND THERE WERE NO INJURIES INVOLVED. ALSO; NO FAR'S WERE DEVIATED FROM DURING THE DECLARED EMER.