A B757 CREW FELT THERE WAS A LACK OF COORD BTWN ZID AND ZOB WHILE ON THE MIZAR STAR INTO DETROIT METRO WAYNE COUNTY ARPT.

Date: 1999-02 · Aircraft: B757-200

Anomalies: deviation-altitude-undershoot|deviation-speed-all-types|deviation-discrepancy-procedural-published-material-policy

Synopsis

A B757 CREW FELT THERE WAS A LACK OF COORD BTWN ZID AND ZOB WHILE ON THE MIZAR STAR INTO DETROIT METRO WAYNE COUNTY ARPT.

Narrative

ON THE MIZAR 3 ARR TO DTW WE WERE CONTINUOUSLY ASKED BY ZID CTLRS TO KEEP OUR SPD UP AT 320 KTS OR BETTER. WE WERE THEN HANDED OVER TO ZOB WHOSE ONLY CLRNC TO US WAS TO 'CROSS MIZAR AT 12000 FT AT 210 KTS.' THIS CLRNC WAS GIVEN TO US PAST THE POINT OF FMC NORMAL DSCNT PATH TO CROSS MIZAR AT 12000 FT AND 250 KTS (THE NORMAL XING ALT AND SPD) WHICH EVEN WORSENED THE SIT. WE WERE STILL 9 MI FROM MIZAR AT 320 KTS (PREVIOUS SPD RESTR) DSNDING THROUGH 13000 FT TO CROSS MIZAR AT 12000 FT AND 210 KTS (THE ONLY RESTR FROM ZOB THUS FAR!). AS WE WERE GOING THROUGH 12900 FT; ZOB ASKED US TO LEVEL OFF AT 13000 FT AND IF WE WERE AT 250 KTS. WE THEN LEVELED OFF AND CLBED BACK TO 13000 FT; INFORMING HIM OF THIS FACT AND THE FACT THAT WE HAD NO 250 KT RESTR; BUT 210 KTS AT MIZAR (STILL 9 MI AWAY) AND WE WOULD HAVE HAD NO PROB IN COMPLIANCE WITH THIS (ORIGINAL) RESTR. WE WERE THAN GIVEN DELAY/PENALTY VECTORS (270 DEG HDG THEN 180 DEGS THEN BACK DIRECT MIZAR) AND CONTINUED THE STAR UNEVENTFULLY. PROBS: 1) ZOB WAS VERY UNPROFESSIONAL IN CTLING TFC FLOW. 2) LACK OF COORD BTWN ZOB/ZID CTRS. ONE ASKS FOR BEST FORWARD ABOVE 320 KTS. THE OTHER 'THINKS' YOU ARE AT 250 KTS BUT NOT ASKING YOU TO SLOW TO 250 KTS. 3) UNDERSTANDABLE CLRNC; THE ONLY CLRNC WE HAD RECEIVED WAS 'MIZAR AT 12000 FT AT 210 KTS' AND EVEN THIS ONE WAS LATE. 4) ASKING US TO LEVEL OFF AT AN ALT WHICH WAS NOT IN OUR ORIGINAL CLRNC AND WE HAVE ALREADY PASSED THIS ALT.

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