ACFT EQUIP PROBLEM AND RESULTING ATTEMPTS AT CHKLIST USE REVEALS PUBLICATION DEFICIENCY.

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SHORTLY AFTER TKOF FROM ACY; THE R HYD PRESSURE ANNUNCIATOR BEGAN TO FLICKER. AFTER A MIN OR SO THE R HYD PRESSURE ANNUNCIATOR ILLUMINATED STEADILY; INDICATING A LOSS OF PRESSURE AT THE R HYD PUMP. AT THIS TIME I REQUESTED THAT THE FO CHK THE HYD PRESSURE GAUGE. THE SYS PRESSURE INDICATED NORMAL. APPROX 1 MIN LATER THE L HYD PRESSURE ANNUNCIATOR ILLUMINATED AND THE SYS PRESSURE DROPPED TO 0. AT THIS TIME I; AS PNF; INFORMED ATC OF OUR PROBLEM AND REQUESTED TO RETURN TO ACY AND LAND. EMER EQUIP WAS REQUESTED AS A PRECAUTION. AFTER THE ACFT HAD BEEN TURNED BACK TOWARD THE ARPT; WE CONSULTED THE EMER CHKLIST ONLY TO FIND THAT IT CONTAINED NO PROC FOR A HYD SYS FAILURE. IT SHOULD BE POINTED OUT HERE THAT THE HYD PRESSURE ANNUNCIATORS ARE RED; INDICATING AN EMER SITUATION. THE SYS WAS SECURED AND A MANUAL EXTENSION OF THE LNDG GEAR WAS ACCOMPLISHED FROM MEMORY. LNDG AT ACY WAS UNEVENTFUL. THE PROBLEM WAS DISCOVERED TO BE A BROKEN HYD LINE THAT HAD ALLOWED ALL OF THE HYD FLUID TO BE PUMPED OVERBOARD. I HAD FLOWN THIS PARTICULAR TYPE OF ACFT; AN LTT; FOR ANOTHER COMPANY PRIOR TO COMING TO MY PRESENT COMPANY 3 MONTHS AGO. BOTH COMPANIES HAVE APPROVED PROCS AND CHKLISTS; BUT THEY ARE VERY DIFFERENT. IT SEEMS TO ME THAT; FOR A GIVEN ACFT TYPE; THERE SHOULD BE ONLY ONE SET OF CORRECT PROCS. WHEN I CONSULTED THE EMER CHKLIST ON THIS OCCASION; I EXPECTED TO FIND A HYD FAILURE PROC BECAUSE MY FORMER AIRLINE HAD ONE. THE NEED FOR STANDARDIZATION IS WELL RECOGNIZED IN THE AVIATION SAFETY COMMUNITY. IT DOES NOT; HOWEVER; SEEM TO EXTEND VERY FAR AFIELD. THE OBVIOUS SOLUTION TO A PROBLEM SUCH AS DESCRIBED ABOVE IS TO REQUIRE; AS A PART OF CERTIFICATION; A SET OF CHKLISTS THAT WOULD BE USED BY ALL OPERATORS WITHOUT MODIFICATION. MY COMPANY HAS ONLY BEEN OPERATING LTT'S FOR 5 MONTHS. I DO NOT FEEL THAT THEY ARE QUALIFIED TO DEVELOP CHKLISTS FOR AN ACFT WITH WHICH THEY HAVE LITTLE EXPERIENCE. ALSO; FAA DESIGNATED POI FOR THIS AIRLINE HAS NO LTT EXPERIENCE. HE REVIEWED AND APPROVED THE CHKLIST I ATTEMPTED TO USE. IT SHOULD BE LEFT TO THE PEOPLE WHO KNOW THE AIRPLANE; THE MANUFACTURERS; TO DEVELOP THE CHKLISTS THAT WILL BE USED IN ITS OP.