Oman Air Sindbad members can now earn 500 miles for each standard Hertz car rental and members can earn up to 1,000 miles when they rent from the Hertz Prestige Collection. Gold and Silver Sindbad members will receive complimentary membership in the Hertz #1 Club Gold program that includes fast-tracked rental reservations, direct to car services at more than 40 international airports, express check-in and other offers.