ACR B727 FLC CHALLENGED BY ZOA CTLR ABOUT COMPLYING WITH LOUPE SID RESTR.

Date: 1999-09 · Aircraft: B727 Undifferentiated or Other Model · Phase: climb

Anomalies: deviation-altitude-crossing-restriction-not-met|deviation-altitude-undershoot|deviation-discrepancy-procedural-published-material-policy|other-clrnc-interp

Synopsis

ACR B727 FLC CHALLENGED BY ZOA CTLR ABOUT COMPLYING WITH LOUPE SID RESTR.

Narrative

WE (X) DEPARTED SJC ON THE LOUPE NINE DEP. DEP CTL CLRED US TO CLB UNRESTR TO 12000 FT. LATER CLRED US TO CLB TO FL230 CROSS THE SJC VOR AT 12000 FT RESUME THE LOUPE 9 DEP. AS WE CROSSED THE SJC VOR AT 12000 FT WE SWITCHED TO ZOA. NEW CTLR THEN RECLRED US TO CLB TO FL230. I REPEATED BACK 'CLRED UNRESTR TO FL230.' WE HAD BEEN CLBING AT BEST ANGLE (VX) AND LOWERED THE CLB RATE TO APPROX 500 FPM TO ACCELERATE. AT APPROX THE 8 DME FIX AT 13500 FT THE CTLR ASKED IF WE HAD LEVELED OFF. I REPLIED WE WERE ACCELERATING. HIS CONCERN SEEMED TO BE THAT WE DIDN'T MAKE THE XING RESTR 14000 FT AT 8 DME ON THE LOUPE 9. I HAVE LOOKED IN OUR FLT OPS MANUAL (ATC SECTION) AND IT STATES CLRLY THAT; WHEN A CTLR ISSUES A NEW CLRED ALT OR RESTATES A PREVIOUS CLRED ALT ALL ALT RESTRS ARE CANCELED INCLUDING THOSE ON A SID. I ASKED THE CTLR IF THERE WAS A MISUNDERSTANDING? HE AGAIN ASKED IF WE HAD LEVELED OFF. I SAID WE HAD NOT BUT HAD REDUCED THE CLB RATE TO ACCELERATE. HE SAID THERE WAS NO PROB. I'M STILL CONFUSED AS TO WHAT HIS POINT WAS. IF HE REALLY WANTED US TO MAKE THE ALT RESTRS HE SHOULD HAVE RESTATED COMPLY WITH RESTRS WHEN HE RESTATED OUR CLRED ALT. I GAVE HIM THE CHANCE TO CORRECT THIS WHEN I CONFIRMED HIS CLRNC WITH OUR UNDERSTANDING COMMENT OF CLB UNRESTR TO FL230. THIS FREQ WAS NOT BUSY. I HOPE THIS ISN'T THE BEGINNING OF THE NEW ATC POLICY OF NOT LISTENING TO OR CORRECTING READBACK OF CLRNCS.

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