20 December 1940
From Sudan, the RAF provides protection for convoy W.S.4.A. No.14 (RAF) Squadron took part, between 04:30 and 17:30, with five Bristol Blenheim Mk IVs, although the first two did not find the ships. Two Gloster Gladiators Mk II of K Flight and three Hawker Hurricanes Mk I of No.1 (SAAF) Squadron are also present from Port Sudan.
 No.14 (RAF) Squadron : Operations Record Book (Form 540 and Form 541). Kew : TNA, AIR 27/192.
 K Flight : Operations Record Book (Form 540 and Form 541). Kew : TNA, AIR 29 / 858.