Here's a summary of what I've been able to find out so far about the fighter engagements over Romania on June 23, 1944:
Luftwaffe losses in Romania - June 23, 1944
Stab II/JG 52 Lt. Willy van de Kamp - injured in air combat, crashed 2 Miles SE of Mizil (20 miles east of Ploesti), Bf 109G-6 Wk. Nr. 760216
5./JG 52 Uffz. Gerhard Brandecker - wounded, belly landing after air combat, Mizil (20 miles east of Ploesti), Bf 109G-6 Wk. Nr. 165041
II/JG 52 Not named, Manzar, Technische Mängel. Bruch ? %., Bf 109G-6
II/JG 52 Not named, Manzar, Technische Mängel. Bruch ? %., Bf 109G-6
1./JG 53 Fw. Heinz Sieg killed Targsorul_Nou. Shot down by P51, Bf 109G-6 Wk. Nr. 163650
4./SG 2 Hptm. Günther Müller - killled E of Ploesti due to fighter, FW 190F-8 W. Nr. 580956
4./SG 2 Ofw. Werner Mau - killed N Ploesti due to fighter, FW 190F-8 W. Nr. 580960
4./SG 2 Gefr. Günther Tolle - killed Ploesti due to fighter , FW 190F-8 W. Nr. 580968
II/SG 2 Not named, Technische Mängel. Bruch ? %, FW 190F-8
II/SG 2 Not named, Technische Mängel. Bruch ? %, FW 190F-8
Stab SG 10 Uffz. Adolf Prünster - missing, shot down in flames by US fighter, Malaesti (110 miles west of Bucharest), FW 190F-8 Wk. Nr. 580968
4./SG 10 Uffz. Gerhard Schulz - killed 24 miles E Ploesti, FW 190F-8 Wk. Nr. 580233
4./SG 10 Uffz. Werner Scheidler - injured, bailed out around Peris (20 miles N of Bucharest), FW 190F-8 Wk. Nr. 930595
II/SG 10 Unbekannt. Bruch 100 %., FW 190F-8
6./JG 301 Unbekannt. Bruch 30 %. Mdana Sanaca, Bf 109G-6 Wk. Nr. 163608
6./JG 301 Unbekannt. Bruch 98 %. N Corabia, (100 miles SW Bucharest), Bf 109G-6 Wk. Nr. 411089
10./JG 301 Uffz. Friedrich Röglsperger, wounded, crash landing Otopeni (11 miles N of Bucharest), Bf 109G-6 Wk. Nr. 163422
10./JG 301 Pilot bailed out near Maia (28 miles N of Burcharest), Bf 109G-6 Wk. Nr. 20300
10./JG 301 Unbekannt. Bruch 98 %., Pilot bailed out S of Titu, (30 miles NW of Bucharest), Bf 109G-6 Wk. Nr. 163089
10./JG 301 Crash landing after air combat Otopeni (11 miles N of Bucharest), Bf 109G-6 Wk. Nr. 163807
Romanian Air Force losses - June 23, 1944
Grupul 1 Capitan commandor Ioan V Sandu - killed near Stefanesti , IAR 81 No. 170
Grupul 1 Unknown killed, IAR 80/81
Grupul 1 3 unknown crash landed, IAR 80/81
Grupul 6 Adj. av. Constantin Dimache - killed near Bucharest, IAR 81-C
Grupul 6 Slt. av. Victor Petric - killed near Bucharest, IAR 81-C
Grupul 6 Adj. av. Dumitru Ilie - wounded near Bucharest, IAR 81-C
Grupul 6 Adj. av. Gheorghe Cocebas - severely wounded near Bucharest, IAR 81-C
Grupul 7 Capitan aviator Virgil Trandafirescu killed, Me 109 G
Grupul 7 Cpt Dan Scurtu shot down wounded , Me 109 G
Grupul 9 Lt. av . Teodor Greceanu, shot down wounded 13 km west of Găeşti (NW of Bucharest, SW of Ploesti., Me 109 G
Grupul 9 adj. av. Dumitru Encioiu, shot down wounded, Me 109 G
Luftwaffe and Romanian losses due to engagement with US fighters: ~29
15th AF P-51 claims: 24 destroyed, 6 probable, 7 damaged. Four P-51's lost.
See
Post 8 of this thread for Allied claims for enemy aircraft destroyed.