Narrative:

On 11/X/90, I accepted a handoff from pdx approach control on an air carrier X. Assigned a heading of 045 degrees, per LOA. At the same time, air carrier Y was on an assigned heading of 265 degrees to join the pdx 079 degree right, and then cleared via the bonu/1 arrival. Since air carrier X was south of J82 (his filed route), I instructed him to join J82 and resume his own navigation. I observed air carrier X join the arwy and several seconds later it appeared he was south of course. By this time a conflict was imminent. I asked air carrier X his heading, and he replied '095.' the radial of J82 is 079 degrees. He was 16 degrees south of course. I issued both aircraft left turns, but not in time to maintain sep. The aircraft passed with 700' vertical and 4.65 latitude. The ntap showed air carrier X 4.5 mi south of J82, however our video map displays the arwy as the 080 degree right, and has the arwy depicted 2 mi south of where it should be. Supplemental information from acn 128798: we were handed off to ZSE, and they told us 'turn right to (what I think was) heading 100, intercept J82 on course.' the captain acknowledged and said to me, 'you're set up.' I glanced at the navigation frequency and course selector and the #'south looked correct, from my review on the ground (pdx/111.8-079R). Center told us, 'turn left heading 030 and intercept J82, best rate through FL180.' the captain acknowledged and I initiated the left turn. (Since we were climbing through 18300', no increase in aircraft performance was required by me--but strange that center would turn us away from the arwy and ask us to intercept it.) I grabbed my hi chart and discovered our mistake at the same time as the captain did. I changed the navigation frequency to btg/116.6, and verified the 079 degree right. I looked at my HSI and we were within 1/2 DOT of centerline of the real J82. I turned right to intercept. At the same time center gave us the left turn to 030 degrees, center gave the inbound flight a left turn. I estimate we passed each others' right sides by about 4 mi. Nothing else was said to us to indicate a conflict. A review of our filed routing (1) shows pdx.J82.dbs (leads one to believe that pdx is part of J82--not so).

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Original NASA ASRS Text

Title: ACFT INTERCEPTED WRONG RADIAL ON SID. RESULTED IN LESS THAN STANDARD SEPARATION.

Narrative: ON 11/X/90, I ACCEPTED A HDOF FROM PDX APCH CTL ON AN ACR X. ASSIGNED A HDG OF 045 DEGS, PER LOA. AT THE SAME TIME, ACR Y WAS ON AN ASSIGNED HDG OF 265 DEGS TO JOIN THE PDX 079 DEG R, AND THEN CLRED VIA THE BONU/1 ARR. SINCE ACR X WAS S OF J82 (HIS FILED ROUTE), I INSTRUCTED HIM TO JOIN J82 AND RESUME HIS OWN NAV. I OBSERVED ACR X JOIN THE ARWY AND SEVERAL SECS LATER IT APPEARED HE WAS S OF COURSE. BY THIS TIME A CONFLICT WAS IMMINENT. I ASKED ACR X HIS HDG, AND HE REPLIED '095.' THE RADIAL OF J82 IS 079 DEGS. HE WAS 16 DEGS S OF COURSE. I ISSUED BOTH ACFT LEFT TURNS, BUT NOT IN TIME TO MAINTAIN SEP. THE ACFT PASSED WITH 700' VERT AND 4.65 LAT. THE NTAP SHOWED ACR X 4.5 MI S OF J82, HOWEVER OUR VIDEO MAP DISPLAYS THE ARWY AS THE 080 DEG R, AND HAS THE ARWY DEPICTED 2 MI S OF WHERE IT SHOULD BE. SUPPLEMENTAL INFO FROM ACN 128798: WE WERE HANDED OFF TO ZSE, AND THEY TOLD US 'TURN RIGHT TO (WHAT I THINK WAS) HDG 100, INTERCEPT J82 ON COURSE.' THE CAPT ACKNOWLEDGED AND SAID TO ME, 'YOU'RE SET UP.' I GLANCED AT THE NAV FREQ AND COURSE SELECTOR AND THE #'S LOOKED CORRECT, FROM MY REVIEW ON THE GND (PDX/111.8-079R). CENTER TOLD US, 'TURN LEFT HDG 030 AND INTERCEPT J82, BEST RATE THROUGH FL180.' THE CAPT ACKNOWLEDGED AND I INITIATED THE LEFT TURN. (SINCE WE WERE CLBING THROUGH 18300', NO INCREASE IN ACFT PERFORMANCE WAS REQUIRED BY ME--BUT STRANGE THAT CENTER WOULD TURN US AWAY FROM THE ARWY AND ASK US TO INTERCEPT IT.) I GRABBED MY HI CHART AND DISCOVERED OUR MISTAKE AT THE SAME TIME AS THE CAPT DID. I CHANGED THE NAV FREQ TO BTG/116.6, AND VERIFIED THE 079 DEG R. I LOOKED AT MY HSI AND WE WERE WITHIN 1/2 DOT OF CENTERLINE OF THE REAL J82. I TURNED RIGHT TO INTERCEPT. AT THE SAME TIME CENTER GAVE US THE LEFT TURN TO 030 DEGS, CENTER GAVE THE INBND FLT A LEFT TURN. I ESTIMATE WE PASSED EACH OTHERS' RIGHT SIDES BY ABOUT 4 MI. NOTHING ELSE WAS SAID TO US TO INDICATE A CONFLICT. A REVIEW OF OUR FILED ROUTING (1) SHOWS PDX.J82.DBS (LEADS ONE TO BELIEVE THAT PDX IS PART OF J82--NOT SO).

Data retrieved from NASA's ASRS site as of August 2007 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.