1: A girl in distress, sought by knights (5)
4: Curse the mother country? (9)
9: Strap, though short, has hanger's heart (5)
10: Sort of uninitiated cheat (3)
12: Make money and set out to be serious (7)
13: Carries most of sea-bird back. (3)
16: Skier's heart rivals climbers (5)
17: Kind of eagle that is a resident of Sesame St. (5)
18: One final, huge Greek goddess (3)
20: Moving round to booming (7)
23: Lifeblood of dope (3)
24: Flower, large one, set up outside (5)
25: In fear of wheat head (3)
26: Form of address valued for the auditor taken unawares (9)
27: Part of stair is erect (5)