1: Headlight providing well-to-do person a start for high level flight (7)
2: One watching over entrance returns identifying label (7)
3: Boggy terrain didn't sink Plan C's successor? (9)
4: Having red nose, turned back (7)
6: Startled, grabs sailor (3)
7: Sea creatures with vocal powers (7)
9: Flare for clean-up time (5)
13: A state, see - one in America - one with an American capital (9)
15: Material extracted, sent back (5)
16: Structure artifice wherein Mr. Carney becomes Norton (7)
18: French song composed by German boy in study (7)
19: Opponents of Vietnamese lost a TV war (7)
20: Free up fuel distribution; its appalling (7)
21: Foreign car, in neutral, crashed (7)
25: Half disapprove of old king (3)