Which British royals served in military aviation roles?

Have members of the British royal family served in air combat?

Yes, including Prince Andrew in the Falklands and Prince Harry in Afghanistan; Prince William later flew demanding search-and-rescue missions.

Prince Andrew flew helicopters during the Falklands War, and Prince Harry served in Afghanistan. Prince Charles also served as a helicopter pilot. Prince William's later search-and-rescue work was not combat, though it still involved severe operational stress and risk.