someone thought it might have been a solo flight:
http://www.boeing.com/resources/boei...essRelease.pdf
"- Boeing sponsors solo open cockpit flight from U.K. to Australia
- 4,000 miles completed of the 13,000-mile journey across 23 countries
Abu Dhabi – Nov. 4, 2015 - A"
http://boeing.mediaroom.com/Boeing-S...intage-Biplane