Prince British George will be banned from traveling with Father – Prince William, who is the direct heir to King Charles III. The rule will start operating on July 22, 2025, when George will turn 12 years old. This has been reported by the British version.

This is done in case of emergency or disaster, at least one direct heir will still be alive, Ladbible publication, referring to the protocols of the Royal Court.
The tradition stipulates that the two nearest heirs of the throne cannot be in the same means.
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For similar reasons, Prince George will not be able to travel with his sister, Princess Charlotte, and brother, Prince Louis. Currently, Prince George occupies the second position in accordance with his throne after his father.
The history of the Royal Family contains examples of tragedies related to transport incidents: In 1937, the younger sister of Prince Philip, Princess Cecilia, died in a plane crash; In 1942 and 1972, the victims of such incidents were uncle and cousin of Queen Elizabeth II. Grandma George, Princess Diana, died from a car accident, writing Tsargrad.