<a href="https://en.wikipedia.org/wiki/Boeing_777" class="extiw" title="en:Boeing 777">Boeing 777-236</a> cn/serial number: 27105/6. Note that this is not the current colour scheme of BA. Also, this aircraft is a Boeing 777-200 or 777-200ER, British Airways did not order the 777-300, but has ordered 777-300ERs for delivery after 2009.
FAA
after 2009 <div style="display: none;">date QS:P,+2009-00-00T00:00:00Z/7,P1319,+2009-00-00T00:00:00Z/9</div>
FAA image, from <a rel="nofollow" class="external autonumber" href="http://www.alaska.faa.gov/fai/images/Aircraft/B773.jpg">[1]</a>