MD80 FLC RPTED NMAC WITH C182 JUMP PLANE; BOTH ACFT WERE AT 11000 FT. CTLR RPTED ACFT 4 PT 3 LATERAL SEPARATION AND 200 FT VERT SEPARATION.

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AN MD80 ON THE BYP 2 ARR AT 11000 FT. A C182 WITH PARACHUTERS SW OF BYP CLBING IN A CIRCLE. C182 WAS AT 11000 FT AT THE SAME TIME THE MD80 WAS SW OF BYP BY APPROX 8 MI. PARACHUTE JUMPER'S PLANES HAD BEEN NOTIFIED OF NUMEROUS ACFT IN THE VICINITY. THE MD80 FLC DECLARED AN NMAC. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: RPTR SAID HE IS A CTR CTLR AND WAS TALKING WITH THE C182 AND THAT THE MD80 HAD BEEN SWITCHED OVER TO APCH CTL. RPTR SAID HE OBSERVED THE C182 ENTERING THE ARR RTE AND GAVE A HEADS UP TO APCH CTL. RPTR INDICATED HE SAW THE MD80 DSND TO 10500 FT AND SUBSEQUENTLY LEARNED FROM A SUPVR THAT THE MD80 WAS GOING TO FILE AN NMAC RPT. RPTR STATED THAT GENERALLY THE JUMP ACFT STAY ABOUT 1 MI N OF THE ARR COURSE. RPTR ALLEGES THAT HE WAS TOLD THAT THE PLT OF THE MD80 STATED THAT IF THEY HAD NOT TAKEN ACTION THEY WOULD HAVE HIT THE CESSNA. RPTR INDICATED THAT DEPENDING ON THE ARR FLOW TO DFW; THEY WILL SOMETIMES VECTOR ARR AROUND THE AREA TO AVOID THE JUMP ACFT WHICH HE INDICATED INCREASES THE WORKLOAD. RPTR ALLEGES THEY; THE CTR; ARE CONSTANTLY GETTING CONFLICT ALERTS BTWN THE ARRS AND THE JUMP ACFT TO THE POINT THAT THEY ARE ALMOST MEANINGLESS. RPTR INDICATED THERE WERE 2 OR 3 NEWSPAPER ARTICLES BASED ON THE RPTED NMAC BY THE MD80. SUPPLEMENTAL INFO FROM ACN 392180: I HAVE BEEN FLYING AT XYZ FOR APPROX 2 MONTH AVERAGING EVERY OTHER WEEKEND AND HAVE RECENTLY STARTED WITH A SKYDIVING INTEREST OF MY OWN. I HAVE BEEN FLYING WHEN THEY HAVE HAD NO OTHER PLTS OR WHEN THEY WERE SWAMPED AND NEEDED AN EXTRA PLT. AS I CLBED TO ALT AND WAS CALCULATING CLB RATE TO DISTANCE TO DROP ZONE OR JUMP RUN; I NOTICED THAT THE COMPANY C208 WAS AT 14500 FT EXECUTING ITS JUMP RUN. I REALIZED I COULDN'T BE BELOW AND STAYED W OF THE DROP ZONE AND PROCEEDED S. I CALLED ZFW AND ASKED FOR 11500 FT; IMPLYING TFC PERMITTING. THE CTLR CAME BACK WITH A REPLY 'VFR ALT YOUR DISCRETION.' THIS GAVE ME NO TFC INFO; AND I THEN HAD TO ASSUME THAT TFC WOULDN'T BE A FACTOR; AND I WAS NOT ADVISED OF TFC. I CONTINUED TO CLB. AFTER TIME THE CTLR ASKED ME MY ALT AND I REPLIED 11000 FT CLBING 11500 FT. HE THEN ADVISED ME OF AN MD80 ON THE ARR 3 MI N AT 11000 FT. THE MD80 PASSED BELOW ME BY APPROX 400 FT VERTLY AND 1 MI HORIZLY I WAS AT 11300 FT; STILL CLBING. SUPPLEMENTAL INFO FROM ACN 392034: ACR A CHKED IN AT 11000 FT ON BYP ARR. ZFW WAS WORKING SKYDIVE ACFT SW OF BYP ALT INDICATED 11200 FT. ZFW CTLR CALLED ME AND SAID THE TFC WAS DSNDING TO 10500 FT. I ISSUED TFC TO ACR A AND ACR A SAID THE ACFT WAS 500 FT IN FRONT OF HIM. ACR A TOLD ME THAT HE WAS GOING TO CALL THAT A NEAR MISS. SKYDIVE OPS ARE CONSTANTLY DONE ON THE ARR ROUTES FOR DFW. THIS ACTIVITY IS CLEARLY A HAZARD TO AVIATION. SUPPLEMENTAL INFO FROM ACN 392361: WE RECEIVED AND RESPONDED TO A TCASII RA; DSNDING ABOUT 900 FT. WE PASSED BELOW A HIGH-WINGED CESSNA. THERE WAS NO TA FROM ATC AND NO VISUAL CONTACT PRIOR TO THE TCASII ALERT. WITHOUT TCASII THIS WOULD HAVE BEEN VERY CLOSE; IF NOT AN ACTUAL COLLISION.