Neyartha's touring the Horn!
ACROSS
1 Sail abroad to get entertained by a princess in a part of 15 Ac. (8) DJIBOUTI {JIB}{OUT} in {DI}
5 Letters from a thug and an officer in the country (6) UGANDA [T] What's the role of 'officer'?
9 Over-embellished disguise of plump deer (9) EMPURPLED*
11 Start an assault (5) ONSET [DD]
12 H.Sam's bad accident? (5-2) SMASH UP
14 Resolved anomalies before leaving the northeast part of 15 Ac. (7) SOMALIA A
15 Anchor, off-air, is all at sea in the peninsula (4,2,6) HORN OF AFRICA*
17 Emphatic declaration by the aviators seen out of context (12) ASSEVERATION*
20 Anger over upsetting drawing featuring an Oriental in a part of 15 Ac. (7) ERITREA {IRE<=}{TR{E}A<=}
22 Mark's letter placed in front of the tomb (7) ENGRAVE {EN}{GRAVE}
23 Article on the reported merits of a farewell remark (5) ADIEU {A}{DIEU} (~due)
24 Fruit sugar and meat sent back with an insect got pulled in front for all to see (9) LAEVULOSE {VEAL<=}{(+u)ULO(-u)SE} Thanks to Google
26 Hydration arrangement's not to be avoided in this capital (6) RIYADH HYDRA
27 Greek character employs one sheltered by a Native American tribe in a part of 15 Ac. (8) ETHIOPIA {ET{H{1}OPI}A}
DOWN
1 Sharp and stylish Yankee under pressure to get rid of the uniform (6) DRESSY {D
2 Casts a doubt on the overturned cargo truck carrying fruit (9) IMPEACHES {PEACH} in {SEMI<=}
3 Period of time in recital belonging to us (3) OUR (~hour)
4 No cell? Tap heel rhythmically for a way to communicate (9,4) TELEPHONE CALL*
6 Greeting at the breakfast table (4,7) GOOD MORNING [CD]
7 Facial bone of a model in a part of South Africa replaced by the chief surgeon (5) NASAL NA(-t+s)SAL
8 Bona fide openers in the Aussie cricket team under attacking Lindwall (6) ACTUAL Acrostic
10 Permits agenda correction and criticism (13) DISPARAGEMENT*
13 Boisterous equine play? (5,6) HORSE AROUND [CD]
16 Worker with the French revolutionary sneaks into a military takeover to supply fruit (9) CANTALOUP {C{ANT}{LA<=}OUP}
18 Withdraw the patch (6) REPAIR [DD]
19 Dutch spirit and resistance gets rid of five groups of closely related species (6) GENERA GENE(-v+r)RA
21 Mediterranean island's leader moving away in an aloof manner (5) ICILY
25 Inside the chateau, Zidane finds an Israeli firearm (3) UZI [T]
GRID