The Sunday Crossword No 3139, Sunday 28 Feb 2021

ACROSS

1   Director of a circus that's starring ... me, surprisingly (10) RINGMASTER*

6   Rowers were triumphant (4) CREW [DD]

9   Brief attempt reversing boat in turbulent water (10) WHIRLPOOLS {WHIRL}{SLOOP<=}

10 Mineral derived from sago palm (4) OPAL [T]

12 Shiner? Beef's applied ... with seasoning (5,6) FINES HERBES*

15 Most of country gets measure that helps display identity (7) LANYARD {LANd}{YARD}

16 'Brisbane not capital?': confused European (7) SERBIAN bRISBANE*

17 Dog takes the German stew (7) CHOWDER {CHOW}{DER}

19 Skipping starter of seafood, getting in a little red aperitif (7) CAMPARI {sCAMPI} over {A}{Red}

20 13 drunken bankers taking a nap (6,5) BAKERS DOZEN {BAKERS{DOZE}N*}

23 An air base regularly getting bills (4) NIBS {aN+aIr+BaSe}

24 Sandy, a dog, beheaded a bird (5,5) TAWNY EAGLE {TAWNY}{bEAGLE}

25 'Staunch, good man'? Flipping Everyman!? (4) STEM {ST}{ME<=}

26 Updates incorporating new flags (3,7) RED ENSIGNS {REDE{N}SIGNS}

DOWN

1   Loudly stir up arguments (4) ROWS (~rouse)

2   Every now and then en famille, that's secure (4) NAIL {eN+fAmIlLe}

3   Fern, small and old, represented in novel (4,8) MOLL FLANDERS {FERN+SMALL+OLD}*

4   Got cosy and had some soup? (7) SPOONED [DD]

5   Silent, antagonistic son joins army (7) ENLISTS {SILENT*}{S}

7   Queen depicted upside down? Landlord's no monarchist (10) REPUBLICAN {ER<=}{PUBLICAN}

8   Son-in-law rising, holding a wine cocktail, feels exhilarated (5,2,3) WALKS ON AIR {LAW<=}{cocK}{SON}AIR  Anno pending

11 Rearranges land in gardens with merry abandon (12) GERRYMANDERS {GARDENS+MERRY}*

13 What's found in hair? A group of nits with second group on top (5,5) ALICE BANDS {A}{LICE}{BAND}{S}

14 'New New Labour'; Keir's leader; visionary? (10) UNWORKABLE {NEW+LABOUR+Keir}*

18 Raw seal? You'll need to fill in a form (3,4) RED TAPE {RED}{TAPE} 

19 French artist's in the auditorium, according to Stuart monarch (7) CEZANNE (~says){CEZ}{ANNE}

21 Anxious to be part of Gog and Magog, however things go (4) AGOG [T]

22 Primarily, what are called (exotically) 'porcini' sometimes? (4) CEPS Acrostic &lit

Reference List

The in German = DER, New = N, Son = S, Queen = ER, Second = S