CTLRS AT CDW ARPT HAVE BEEN UNSUCCESSFUL REQUESTING THE ARPT MANAGER TO USE NUMBERS WHEN OPERATING ON THE ARPT AIRSIDE VICE OPS; MAINT; ETC.

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CALDWELL (ESSEX COUNTY) ARPT HAS APPROX 20 VEHICLES WITH RADIOS THAT USE MOVEMENT AREAS. ONLY A FEW ARE RECOGNIZABLE BY THEIR CALL SIGN; IE: MACDAN TUG; C AND W GOLF CART. THE ARPT OPERATOR HAS ABOUT FIVE VEHICLES THAT CALL THEMSELVES 'ARPT OPS.' WHEN MORE THAN ONE IS IN USE; IT IS CONFUSING. YOU MAY BE LOOKING AT ONE VEHICLE AND GIVE HIM A CLRNC AND ANOTHER VEHICLE TAKES THE CLRNC. WE THINK ALL VEHICLES SHOULD BE NUMBERED. THE ARPT OPERATOR HAS BEEN ASKED TO COMPLY BUT HE REFUSES. SUPPLEMENTAL INFO FROM ACN 450181: WE'VE HAD THE WRONG VEHICLE CROSS THE RWY. EXAMPLE: TWO VEHICLES; BOTH CALLED ARPT OPS; HOLDING SHORT OF RWY 22 AT TXWY B AND TXWY N. WE SAY 'ARPT OPS AT TXWY B CROSS RWY 22.' BOTH ARPT OPS VEHICLES CROSS. THIS COULD BECOME A SERIOUS PROB THAT HAS A SIMPLE SOLUTION. WE ONLY HAVE 3 VEHICLES. NAME THEM ARPT 1; 2 AND 3. WE WOULD APPRECIATE ANY HELP YOU COULD GIVE US TO HELP ENSURE SAFETY AT OUR ARPT. CALLBACK CONVERSATION WITH RPTR ACN 450396 REVEALED THE FOLLOWING INFO: RPTR STATED THAT NUMEROUS ATTEMPTS HAVE BEEN MADE BY THE FAA TO PERSUADE THE ARPT MANAGER TO IDENTIFY THEIR VEHICLES THAT OPERATE ON OR NEAR THE RWYS WITH A NUMBER SYS. RPTR SAID MOST OF THE CTLRS AT THE FACILITY STRONGLY BELIEVE THE SYS IN USE NOW BY THE ARPT MANAGER JEOPARDIZES SAFETY AND SECURITY AT THE ARPT. OCCASIONALLY; LANGUAGE HAS BEEN A PROB UNDERSTANDING THE VEHICLE DRIVERS USING THE GROUND FREQ.