On 21 August 1936, No. 98 Squadron RAF and No. 104 Squadron RAF arrived, also with the Hawker Hind, training exercises involving the three light bomber squadrons took place, this included bombing exercises at Otmoor ranges. On 2 May 1938, No. 104 Squadron left Hucknall for RAF Bassingbourn with No. 98 Squadron remaining at Hucknall and converting to the Fairey Battle light bomber. On 31 October 1938 No. 504 Squadron ended their association with light bombers and became a fighter squadron operating the Gloster Gauntlet replacing the Hawker Hind. As a result of this change there was no longer a need for air gunners, however Squadron Leader Seely did negotiate for some to train as Non-Commissioned Officer Pilots for the Gauntlet. A further change for the squadron was a new squadron crest, which incorporated the Major Oak Tree, indicative of nearby Sherwood Forest, the crest featured the squadron's motto 'Vindicat in Venti' (it avenges in the wind).