DEP CTLR MISTAKENLY TOLD AN LTT DEP OFF SFO THAT HE HAD RADAR CONTACT WHEN HE DIDN'T. THEN CTLR TURNED THE LTT TO A 260 DEG HDG WHICH PUT HIM IN CONFLICT WITH AN ACR X A B737. AFTER THE LTT RESET HIS XPONDER THE CTLR ISSUED BOTH ACFT TFC INFO AND THEY PASSED IN CLOSE PROX.

Date: 1995-11 · Aircraft: Medium Large Transport; Low Wing; 2 Turbojet Eng · Phase: climb

Anomalies: atc-issue-all-types|conflict-airborne-conflict

Synopsis

DEP CTLR MISTAKENLY TOLD AN LTT DEP OFF SFO THAT HE HAD RADAR CONTACT WHEN HE DIDN'T. THEN CTLR TURNED THE LTT TO A 260 DEG HDG WHICH PUT HIM IN CONFLICT WITH AN ACR X A B737. AFTER THE LTT RESET HIS XPONDER THE CTLR ISSUED BOTH ACFT TFC INFO AND THEY PASSED IN CLOSE PROX.

Narrative

I WAS IN POS ON DR-1. I HAD: SFO ARR AT 5500 FT; ON-TOP; SAU-SFO. SOUTH BAY VFR DEP AT 4500 FT; SFO-NOS. SOUTH BAY IFR DEP AT 5000 FT; NUQ-OS19. ACR X; B737. ACR Y; B747. LTT Z; LR35. THE VFR OVERFLT AND THE ON-TOP ARR WERE BASICALLY IN AREA ALFA ALONG HWY 101. I HAD THE DEPS STOPPED AT 4000 FT TO PROTECT THE OVERFLTS. ACR X CALLED CLBING TO 4000 FT. I TURNED HIM S ALONG THE RTE. A GARBLED CALL SIGN CALLED WHICH I ATTEMPTED TO IDENT WHO WAS CALLING. IT TURNED OUT TO BE ACR Y A RWY 28 DEP THAT WAS NOT RELEASED. I KNEW I HAD THE ACR X IN THAT AREA SO I LEFT THE ACR Y AT 3000 FT. AT SOME POINT I INSTRUCTED THE CI-1 TO HOLD THE DEPS. THE ACR Y WAS NOT IN THE ARTS SYS. IN THE CONFUSION AN LTT Z CALLED. I INCORRECTLY TOLD THE LTT Z RADAR CONTACT. HE WAS NOT RADAR CONTACT. I ASKED BOTH THE CI-1 AND THE DR-2 IF THEY SAW THE LTT Z JET. I INSTRUCTED THE LTT Z TO TURN L HDG 260 DEGS WHEN HE LEFT 2000 FT. I DID THIS BECAUSE I HAD 3 OAKLAND DEPS RELEASED. I ASKED THE ISLAND 'SOMEONE TAG THIS GUY ACR Y UP;' DR-2 DID. I TOLD THE LTT Z TO RESET HIS XPONDER AND INSURE IT WAS ON. IT TURNED ON 4 1/2 MI W OF SAN FRANCISCO WBOUND ON A CONVERGING COURSE WITH ACR X. I ISSUED A TA TO ACR X AND ISSUED TFC TO THE LTT Z. THE LTT Z SAID HE HAD ACR X IN SIGHT. I TOLD THE LTT Z TO MAINTAIN VISUAL SEPARATION FROM THE ACR X. SUPPLEMENTAL INFO FROM ACN 320806: HAVING BEEN CLRED TO FL230 AND THE PORTE 9 DEP SID FROM SFO; WE DEPARTED ON RWY 01L. AFTER CONTACTING DEP CTL WE WERE INSTRUCTED TO STOP CLB AT 4000 FT AND TURN L TO 260 DEG HDG. ABOUT THEN I NOTICED TFC TO OUR R AND SLIGHTLY ABOVE; MOVING FROM R TO L AND ASSUMED THAT WE WERE ADVISED TO LEVEL AT 4000 FT BECAUSE OF THAT TFC. WHEN ATC ADVISED US OF TFC I RESPONDED 'IN SIGHT.' BY THEN THE TFC; A B737 WAS XING OUR NOSE AT APPROX 1/2 MI AND 500 FT ABOVE. BECAUSE WE HAD VISUAL CONTACT WE FELT NO IMMINENT DANGER TO OUR SAFETY OF THE FLT.

Source: NASA Aviation Safety Reporting System (public domain). Reports are voluntary submissions and are not verified by NASA.