CTLR MISUNDERSTANDING OF THE NDB BEING OTS AND ISSUED A CLRNC FOR A LOC DME APCH APPARENTLY REQUIRING THE NDB FOR NAV. RPTR HAD A STRONG NDB SIGNAL AND QUESTIONED THE CTLR AS TO THE STATUS OF THE NDB. CTLR CHKED WITH FSS AND CONFIRMED THE 'BEACON' WAS OTS. RPTR LEARNED AFTER LNDG THAT THE ARPT ROTATING BEACON HAD BEEN NOTAMED OTS.

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8 NM NE OF GRANTSVILLE VOR FLT WAS GIVEN CLRNC FOR THE LOC DME RWY 23 APCH IN CBE. AS WE WERE APCHING THE ADF (BACKED UP BY THE 093 DEG RADIAL FROM GRV); THE ZOB CTLR TOLD US THAT THE ADF WAS NOTAMED OTS. WE MENTIONED TO THE CTLR THAT WE HAD A STRONG SIGNAL AND A GOOD IDENT (WE KEPT THE IDENT AT ALL TIME) AND THAT WE HAD NO NOTAM ON IT. WE HAD CHKED OUR NOTAMS AND THEY ONLY SHOWED THE PCLS. I ASKED ZOB TO CONFIRM WITH THE FSS AS I WAS CHKING WITH COMPANY. THE COMPANY CONFIRMED MY BELIEF THAT WE HAD NO NOTAM FOR THE ADF OTS. THE ZOB CTLR CAME BACK AND TOLD US THAT THE FSS CONFIRMED THAT THE 'BEACON WAS OTS.' AT THIS TIME WE WERE INTERCEPTING THE LOC AND THEREFORE DIDN'T NEED THE ADF ANYMORE AND I ELECTED TO CONTINUE THE APCH. I FEEL I SHOULD PROBABLY ABORT THE APCH AS SOON AS I WAS TOLD ABOUT THE ADF BEING OTS; THEREFORE I AM SENDING THIS NASA FORM. I AM ALSO SENDING THIS FORM IN THE HOPE THAT IT WILL ALLEVIATE SOME OF THE PROBS I AM NOW GOING TO LIST. IF THE LOC DME RWY 23 REQUIRES THE NDB TO BE ABLE TO BE SHOT; IT SHOULD INCLUDE ON THE APCH PLATE AN 'ADF REQUIRED' MARKING. THE RADIAL OUT OF GRANTSVILLE (093 DEGS) SHOULD SAY 'TO CBE NDB' SO AS NOT TO CONFUSE PLTS THAT COULD THINK IT WAS A FEEDER RTE TO THE FIX ON THE LOC. THE PLTS AND CTLRS SHOULD USE PROPER PHRASEOLOGY BEACON NUMBER ADF OR NDB (UPON CHKING WITH FSS RADIO AFTER THE FLT I FOUND OUT THAT THE ADF WAS NOT NOTAM OTS BUT THE 'ROTATING BEACON WAS.' OUR COMPANY DID NOT SHOW IT I GUESS BECAUSE THE ROTATING BEACON HAD BEEN FIXED A FEW DAYS PRIOR). THE CTLR SHOULD NOT CLR A FLT FOR AN ILLEGAL APCH. ZOB SHOULD HAVE A WAY OF GIVING VECTOR FOR THE APCH OR AT LEAST A WAY TO IDENT HOLOE ON THEIR SCREEN SO AS TO ALLOW FLT TO SHOOT THE APCH WITH THE ADF OTS (EVEN IF IT MEANT FLYING AT A HIGHER ALT UNTIL ESTABLISHED OUTBOUND). THE GRV RADIAL TO HOLOE COULD BE SHOWN AS A FEEDER RTE TO ALLOW FLTS TO SHOOT THE APCH WITHOUT THE USE OF THE ADF.