ACR X NON COMPLIANCE WITH ATC CLRNC TCASII TA HAD LTSS FROM ACR Y.

Date: 1995-07 · Aircraft: Widebody; Low Wing; 3 Turbojet Eng · Phase: climb

Anomalies: atc-issue-all-types|conflict-airborne-conflict|deviation-altitude-undershoot|deviation-discrepancy-procedural-clearance|inflight-event-encounter-weather-turbulence

Synopsis

ACR X NON COMPLIANCE WITH ATC CLRNC TCASII TA HAD LTSS FROM ACR Y.

Narrative

ACR X WAS PROCEEDING DIRECT TO GSO AND BEGAN TO DEVIATE AROUND SEVERAL LARGE TSTMS; WITH CTR CONCURRENCE. ACFT WAS CLBING TO FL290. WE WERE GIVEN A CLB TO FL330; WITH A RESTR TO BE THERE WITHIN 4 MINS. THE ACFT WAS FAIRLY HVY (475;000 LBS PLUS OR MINUS); AND IN ORDER TO COMPLY WITH THE RESTR I CLBED AT GREATER RATE THAN NORMAL; IN AN EFFORT TO EXCHANGE AIRSPD FOR ALT. AT ABOUT FL310 THE AIRSPD BEGAN TO DETERIORATE TO A POINT WHERE I FELT IT WAS PRUDENT TO ARREST THE CLB AND GAIN MORE AIRSPD. I ADVISED THE CTLR THAT WE WERE UNABLE TO COMPLY WITH THE CLB RESTR. THE CTLR THEN ATTEMPTED TO VECTOR US INTO A TSTM. EVEN UNDER THE BEST OF CIRCUMSTANCES; THIS WOULD NOT HAVE BEEN A GOOD IDEA; OPERATING AT A REDUCED AIRSPD; IT WOULD HAVE BEEN EXTREMELY HAZARDOUS FOR ME TO HAVE ACCEPTED SUCH A VECTOR. I TRIED TO EXPLAIN THIS TO THE CTLR; BUT I FEAR THAT SHE DID NOT FULLY COMPREHEND OUR PREDICAMENT. SHE THEN GAVE US AN 'IMMEDIATE' L TURN AWAY FROM SWBOUND TFC; AND A DSND TO FL290. THE IMMEDIENCY OF THE TURN WAS NOT PRACTICAL; HOWEVER I STARTED A SHALLOW BANK TURN AWAY FROM ONCOMING TFC; AND A DSCNT TO FL290. WE WERE AWARE OF THE ACFT Y ON TCASII; AND VISUALLY ASSURED THAT WE HAD ADEQUATE SAFE VISUAL SEPARATION. WE HAD TO CONTEND WITH ACFT PERFORMANCE; TSTM AVOIDANCE; AND TFC SEPARATION. THE CTLR HAD ONLY TFC SEPARATION. I WOULD SUGGEST THAT NOT TRYING TO CRAM SO MANY AIRPLANES INTO TSTM RAVAGED AREAS WOULD HAVE MITIGATED OR ELIMINATED THE PROB WE EXPERIENCED.

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