Ku sii qor faqradan - Taxanaha 4aad waxaa dib loo habeeyay 30kii Abriil 1920 Farnborough, oo lagu qalabeeyay Bristol F.2 Fighters. Qeyb ka mid ah duullimaadka ayaa loo wareejiyay Aldergrove oo u dhow Belfast bishii Nofeembar 1920 taas oo ka dhalatay Dagaalkii Xorriyadda ee Ireland, oo loo wareejiyay Baldonnel Aerodrome oo u dhow Dublin bishii Maajo 1921, ka hor inta uusan ku biirin inta kale ee duullimaadka Farnborough bishii Janaayo 1922. Ciidanka ayaa la geeyay maraakiibta diyaaradaha ee Royal Navy markii ay u dhoofeen Turkiga HMS "Ark Royal" iyo "Argus" intii lagu jiray dhibaatadii Chanak bishii Agoosto 1922, iyagoo ku soo laabtay Farnborough bishii Sebtember 1923. Markii la bilaabay shaqo joojintii guud ee 1926
Markii uu qarxay, diyaaradaha duullimaadyada ee qeybta 4aad ayaa loo isticmaalay in lagu ilaaliyo wadooyinka tareenka si looga hortago burburka laga cabsi qabo.