11d Playboy magazine's centrefold with nude gilr dancing? Look first! (6-6)
???N?E - ?????D
17d Allowed old vessel to enter battle at sea (7)
?E?????
21d Skill at climbing mountain range (5)
????A
27a Outlaw drug that's a cause of misery (4)
?A?E
13a Face north-east, turn ship around (6)
?E????
Thanks in advance