These records, kept at TNA under reference AIR28, are from the series of Operation Record Books (form 540) and appendices (form 541) for RAF Stations. This also includes some Operation Record Books for RAF Stations which, although under British command, were used by Dominion and allied Air Force units.
Period covered: Though the system of Operation Record Books started after WWI few date from before the mid-1930s.
Please be aware that due to the way we collate, and cross reference our databases, some records will contain more information than that listed above.
Original Source: National Archives reference AIR28.