Narrative:

Clearance for takeoff runway 08R mia. Tower had advised we will make a 180 heading to avoid thunderstorms. Wind was 030/22 KTS. After takeoff; we turned to our initial heading of 180 degrees. Upon heading 180; we had the radar depicting WX on this heading. We requested 200 degree heading. Upon receiving the 200 degree heading; departure control stopped our climb to 3000 ft for traffic. Leveling at 3000 ft; we kept the aircraft at 230 KTS. Next departure cleared us to climb to 6000 ft. I; as captain; repeated 6000 ft dialed in the altitude and had the first officer verify 6000 ft; which we had repeated; and we started our climb to 6000 ft. Once level at 6000 ft; the departure control said we were cleared to 5000 ft and now we needed to turn to a heading of 130 degrees. We responded with a turn to 130 and descending to 5000 ft. During the turn and the descent; ATC called back with a 100 degree heading. We initiated the turn and descent immediately. Once level at 5000 ft and heading 100 degrees; we were cleared to climb to 16000 ft. No RA's or TA's.supplemental information from acn 754736: contributing factors: due to WX east of the field; we were given a departure heading of 180 degrees. We also had instructions to level at 3000 ft vice 5000 ft. While giving us clearance to 6000 ft; the departure controller mentioned traffic. Perhaps he meant to say climb to 5000 ft due to traffic at 6000 ft. The WX was a factor affecting arrs; departures and controllers.

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Original NASA ASRS Text

Title: AN ACR DEPARTING MIA WAS BEING VECTORED FOR WX AND CLRED TO 6000 FT. AT 6000 FT TRACON ADVISED CLRNC WAS TO 5000 FT AND FLT DESCENDED.

Narrative: CLRNC FOR TKOF RWY 08R MIA. TWR HAD ADVISED WE WILL MAKE A 180 HDG TO AVOID TSTMS. WIND WAS 030/22 KTS. AFTER TKOF; WE TURNED TO OUR INITIAL HDG OF 180 DEGS. UPON HDG 180; WE HAD THE RADAR DEPICTING WX ON THIS HDG. WE REQUESTED 200 DEG HDG. UPON RECEIVING THE 200 DEG HDG; DEP CTL STOPPED OUR CLB TO 3000 FT FOR TFC. LEVELING AT 3000 FT; WE KEPT THE ACFT AT 230 KTS. NEXT DEP CLRED US TO CLB TO 6000 FT. I; AS CAPT; REPEATED 6000 FT DIALED IN THE ALT AND HAD THE FO VERIFY 6000 FT; WHICH WE HAD REPEATED; AND WE STARTED OUR CLB TO 6000 FT. ONCE LEVEL AT 6000 FT; THE DEP CTL SAID WE WERE CLRED TO 5000 FT AND NOW WE NEEDED TO TURN TO A HDG OF 130 DEGS. WE RESPONDED WITH A TURN TO 130 AND DESCENDING TO 5000 FT. DURING THE TURN AND THE DESCENT; ATC CALLED BACK WITH A 100 DEG HDG. WE INITIATED THE TURN AND DESCENT IMMEDIATELY. ONCE LEVEL AT 5000 FT AND HDG 100 DEGS; WE WERE CLRED TO CLB TO 16000 FT. NO RA'S OR TA'S.SUPPLEMENTAL INFO FROM ACN 754736: CONTRIBUTING FACTORS: DUE TO WX EAST OF THE FIELD; WE WERE GIVEN A DEP HDG OF 180 DEGS. WE ALSO HAD INSTRUCTIONS TO LEVEL AT 3000 FT VICE 5000 FT. WHILE GIVING US CLRNC TO 6000 FT; THE DEP CTLR MENTIONED TFC. PERHAPS HE MEANT TO SAY CLB TO 5000 FT DUE TO TFC AT 6000 FT. THE WX WAS A FACTOR AFFECTING ARRS; DEPS AND CTLRS.

Data retrieved from NASA's ASRS site as of January 2009 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.