Membership is open to those who hold, or have held, commissions in the RAF, PMRAFNS, Reserve Forces and Commonwealth and friendly foreign air forces, Members of the British Army and Royal Navy who are serving on secondment with the RAF are also eligible for membership.

[2] The buildings, still in use today, were acquired by the middle of 1919 (the Piccadilly frontage was originally the Ladies Lyceum Club, while the rear half, facing Old Park Lane, was stables).

Between 1919 and 1921 extensive reconstruction took place supervised by architect Maurice Webb and largely financed by Lord Cowdray.

This association with the Royal Family continues to this day, Queen Elizabeth II being the Club's Patron from 1952-2022.

Non-RAF personnel who are eligible to apply for membership include those in the aerospace industry who are Fellows of the Royal Aeronautical Society (FRAeS).