Narrative:

The flight time in the flight release was eight hours six minutes. We spent over an hour on the ground in egcc awaiting the final weight and balance. In flight; the first officer and I decided that we were too tired to continue the flight [to scheduled destination]. We diverted to bos. Either put an international relief officer on the flight or deal with flights occasionally diverting.

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Original NASA ASRS Text

Title: An international two person flight crew became fatigued on a westbound trans-Atlantic flight and diverted to BOS for rest.

Narrative: The flight time in the flight release was eight hours six minutes. We spent over an hour on the ground in EGCC awaiting the final weight and balance. In flight; the First Officer and I decided that we were too tired to continue the flight [to scheduled destination]. We diverted to BOS. Either put an IRO on the flight or deal with flights occasionally diverting.

Data retrieved from NASA's ASRS site as of April 2012 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.