No. 254 Squadron first formed in 1918 as a coastal reconnaissance squadron operating from Prawle Point. The squadron was divided into flights with 492 (Light Bomber) Flight operating the DH.9s and 515 and 516 (Special Duties) Flights the DH.6s. After the cessation of hostilities it was disbanded in February 1919. It operated the DH.6 and DH.9.