FSX and FS2004 Handley Page HP81 Hermes. The HP81 Hermes was a British airliner from 1948, used by BOAC for its African routes in the early 1950s, and then by various charter companies for the next 10 years. Five variants are included here: BOAC (early and late), Airwork, Air Safaris and Skyways. Version 1. 0. By Jens B. Kristensen.