Cryptic crossword No 2,488

Across

1. On hand for demonstrations of intent? (10,5)
2. Dive noisily in number of old ports (6)
3. Unclued (5)
4. Unclued (8)
5. Unclued (3,6)
6. Additional canvas floors give trouble (8)
7. Swift game caps off big league event (6)
8. G-man or associate in hat (6)
9. Cutting-edge technology to show at collection (8)
10. Sheep's colourless cheese (9)
11. Runs forward in river creating foam (5)
12. BBC air broadcast for agent in rising (6)
13. Khaki coat might be preferred when dressing (5,3)
14. Organise athletics race so there are no obstacles (3,5,2,5)

Down

1. Soldier and clergyman, so to speak, always poetic (9)
2. Image of a sailor after a victory (6)
3. Adjust erect poles to see in 3d with this (15)
4. Dance for nothing (5)
5. Norma, perhaps, into plastic surgery (9)
6. Green site could be a very dry one! (9)
7. American staff competent and accommodating (8)
8. Writing in small tomb read out (6)
9. Note, a painter in sparkly headgear! (5)
10. Consuming hummus in Greek sandwiches (5)
11. Ballot men, thus securing dividend (9)
12. Unclued (5)
13. Unclued (8)