The following is the entry for Alfred Luckraft in William O'Byrnes 1849 'Naval Biographical Dictionary'.
LUCKRAFT. (Lieutenant, 1846.)Alfred Luckraft is son of Capt. Alfred Luckraft, R.N.
This officer passed his examination 21 April, 1841; and from that period until promoted to the rank of Lieutenant, 15 Jan. 1846, was employed as Mate, on the Mediterranean, Home, Brazilian, and Pacific stations, in the Weasel 10, Capt. Wm. Edmondstone. Excellent gunnery-ship, Capt. Sir Thos. Hastings, and Frolic 16, Capts. Wm. Alex. Willis and Cospatrick Baillie Hamilton. He was then reappointed to the Frolic, in which vessel he returned to England and was paid off in 1847.