Narrative:

On apr/wed/92, air carrier X was transferred to tokyo acc at FL350 over pakoo. A was actually FL390. The mistake occurred due to controller not properly marking strips.

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Original NASA ASRS Text

Title: ACR X CHANGED TO RJTG CTR AT WRONG ALT. OPDEV.

Narrative: ON APR/WED/92, ACR X WAS TRANSFERRED TO TOKYO ACC AT FL350 OVER PAKOO. A WAS ACTUALLY FL390. THE MISTAKE OCCURRED DUE TO CTLR NOT PROPERLY MARKING STRIPS.

Data retrieved from NASA's ASRS site as of July 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.