The brother of the United Arab Emirates president died when his helicopter crashed into the Gulf overnight, the official WAM news agency said on Tuesday.
Sheikh Nasser bin Zayed al-Nayahan will be buried later on Tuesday, it said. The crash killed several of Sheikh Nasser colleagues, added the agency.
Sheikh Nasser did not hold public office.
Sheikh Nasser was the brother of Sheikh Khalifa bin Zayed al-Nayahan, the president of the UAE and ruler of Abu Dhabi emirate. He was the son of Sheikh Zayed, the country's first president.