Hilton HHonors has added Ethiopian Airlines to its ever growing list of partner airlines.
Ethiopian Airlines Sheba Miles members can earn 1 miles per dollar spent at Hilton Properties worldwide (max 100 miles at Home2 Suites).
You can access Hilton’s page for partner airlines here.
Note that you must have your Hilton HHonors Double Dip option set to Points + Miles and have Ethiopian Airlines chosen as the preferred partner.
It is always good to have more double dip partners, although Ethiopian Airlines Sheba Miles program likely is not a wise choice for anyone else than those that fly a lot on this airline.