1: Mother is outside with Muslim priests (5)
3: Ship's official drinking tea with buyer (9)
8: Regularly visit the husband of a relative (5)
10: To make matters worse, Georgia left before Virginia, slipping into a series of heavy metal bars (9)
11: Shiny flat-bottomed boats heading north (5)
12: Rita Mears breaks wind near a plane (9)
13: Drank up in station (5)
15: Erotic gem represented design using simple shapes (9)
18: Moderately amphibian, for example, by the middle of the creek (2,1,6)
19: Gutter seamstress (5)
20: Greeting South-East Asian from Tibet? (9)
21: First Lady's vocal projections (5)
23: Draw out statement that you dined at 2200 hrs (9)
25: One who follows Zeno to island in South Carolina (5)
27: Vulgar and insipid (9)
28: A fellow's legs may be protected by these (5)