You are welcome with your UAV in Oman.
But you have to make sure that you receive a declaration of consent. Without a declaration of consent, the drone will be confiscated at the border. Make sure that the consent statement goes into effect 15 days earlier and ends 15 days after your departure.
Maximum take-off weight: No limit
Maximum hight: 120 meters / 393 ft.
Maximum horizontal distance: 500 meters, but keep visual contact with the UAV
Insurance: Obligated, this may not be travel insurance, but a separate UAV insurance,
Distance Airports / Heliports: 7 km / 4.6 mi.
Night flights: Prohibited
Prohibited: not in the neighborhood of military , ships, people, animals, government buildings, places of worship.
Useful link: Oman Public Authority Civil Aviation (PACA)
Request permit: request procedure
Contact informaton: firstname.lastname@example.org / +968 24354467