Incident at Over Yukon at 140W (ATS operating irregularity)
2005-02-22: NWA 18, a B747, was en route from Tokyo to New York and the flight's altitude was passed from Anchorage ACC to Edmonton ACC as FL 330. When the crew reported on frequency to Edmonton ACC, they reported at FL 350. There was no conflicting traffic at the time. Anchorage ACC will do an internal investigation.
|Occurred At||- 12:17|
|Day or Night?|
|TSB Occurrence Number|
|TSB Class of Investigation|