1: Scandinavian boatmen or sea-faring characters (5)
2: Bouquet's sent up to network director? (5)
3: Confined bear without a trade (9)
4: Crook skimmed cash register? (3)
5: Essential part of Cayce's power! (3)
9: In Howard's End - one has a passage here from Forster (5)
10: As in 'Lee goes back to the drawing board' (5)
11: 4-down Arias hit high note in some of the lungs (3,3)