Narrative:

Controller 'a' on frequency 127.47 gave a climb to FL250 and frequency change to 'B,' 128.65 passing through FL217. The controller asked for altitude we were cleared to. We replied FL250. The controller informed us that the strip showed that we had been cleared to FL210. Controller gave us clearance to FL230 and right turn to 250 degrees. In about 40 seconds the controller gave us FL250 and left turn direct to slt.

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Original NASA ASRS Text

Title: MLG GIVEN A CLIMB AND A FREQ CHANGE. NEW CTLR DISAVOWS KNOWLEDGE OF CLRNC TO NEW ALT.

Narrative: CTLR 'A' ON FREQ 127.47 GAVE A CLB TO FL250 AND FREQ CHANGE TO 'B,' 128.65 PASSING THROUGH FL217. THE CTLR ASKED FOR ALT WE WERE CLRED TO. WE REPLIED FL250. THE CTLR INFORMED US THAT THE STRIP SHOWED THAT WE HAD BEEN CLRED TO FL210. CTLR GAVE US CLRNC TO FL230 AND RIGHT TURN TO 250 DEGS. IN ABOUT 40 SECS THE CTLR GAVE US FL250 AND LEFT TURN DIRECT TO SLT.

Data retrieved from NASA's ASRS site as of August 2007 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.