ACR FLC ADVISES ZAB CTLR OF MULTIPLE WX DEVS AND CONFLICTS WITH OTHER DEVIATING TFC.

2001-07 · NASA ASRS report 516659

Date: 2001-07 · Aircraft: Large Transport; Low Wing; 2 Turbojet Eng · Phase: cruise

Anomalies: conflict-airborne-conflict|deviation-track-heading-all-types|inflight-event-encounter-weather-turbulence|inflight-event-encounter-other-unknown

Synopsis

ACR FLC ADVISES ZAB CTLR OF MULTIPLE WX DEVS AND CONFLICTS WITH OTHER DEVIATING TFC.

Narrative

WE WERE VERY BUSY DEVIATING AROUND NUMEROUS TSTMS WITH LITTLE ROOM TO MANEUVER. AFTER BEING HANDED OFF TO A NEW CTLR; WE INFORMED HIM WE WERE DEVIATING AND RECEIVED HIS PERMISSION. OUR RTE (PLANNED) WAS APPROX 5-10 MI TO OUR R. AS WE BROKE OUT OF SOME CLOUDS; ADDITIONAL CELLS BECAME VISIBLE IN FRONT OF US. I ASKED MY FO TO INFORM THE CTLR WE WOULD HAVE TO MAKE A HARD R TURN. HE DID AND THE CTLR APPROVED IT. SEVERAL MINS LATER I TOLD THE FO TO LET THE CTLR KNOW WE COULD TURN L ON COURSE IN A FEW MI. THE CTLR THEN STATED; ' I DIDN'T THINK YOU WERE GOING TO TURN THAT FAR.' WE THEN SAW TFC COMING AT US ON THE TCASII; AT THE SAME ALT. THE CTLR WAS CONFUSED WHICH WAY TO TURN US AND THEN SAID; 'AT LEAST YOU WON'T HIT.' I OFFERED A 10 DEG L TURN (TOWARD TSTM). HE SAID; 'OK; AND CLB IMMEDIATELY TO FL370 AND PREPARE FOR AN IMMEDIATE DSCNT BACK TO FL350.' WE COMPLIED; AND ADVISED WE COULD ONLY CONTINUE ON PRESENT HDG FOR 1 MORE MI. HE THEN CLRED US TO FL350 AND GAVE PERMISSION TO DEVIATE. THE OTHER TFC BECAME A YELLOW TARGET ON TCASII. HOWEVER; WE NEVER REACHED THE POINT OF RECEIVING AN RA. IT APPEARED THAT THE CTLR HAD A LARGE AREA TO COVER; WITH SEVERAL ACFT DEVIATING. IT WAS OBVIOUS HE DID NOT SEE OUR SIT DEVELOP AND DIDN'T KNOW HOW TO IMMEDIATELY CORRECT THE PROB. ALTHOUGH I THOUGHT I HAD COMMUNICATED OUR PLAN AS SOON AS WE HAD ONE; I PROBABLY SHOULD HAVE CONTINUED TO UPDATE HIM.

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

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