More on non-standard J-10 units.
FTTC 1 Regiment Jiugucheng
The known serials of this regiment range from 60185 to 60289, with 60288 and 60289 being recently delivered J-10S.
But the J-10 list posted by A. Man in the also has 01, 02, 04, 05 at FTTC. These are almost certainly the J-10 pre-series (Lot 00), which were delivered from Chengdy with serials 01-06.
Source reference: China – 2nd Largest Air Force # 10
Adding these 6 to the 15 in the 60185-60289 range, one arrives at a total of 21 planes.
GE update 30.05.10 of Jiugucheng shows that there are now 21 shelters (6+8+7), corresponding to 21 planes.
1 August Aerobatic Unit, 24 Fighter Division
The well known serial numbers of this unit are J-10AY 01, 02, 03, 04, 05, 07, 08, 09, J10SY 10, 11, 12
But GE update 26.02.10 of Yangcun shows 16 shelters for this unit, indicating that it has or is planned to acquire 4 more.
12 Regt, 4 PLANF Division Feidong ex Luqiao ex Ningbo-Zhuanqiao
As nearly all serial numbers of this regiment are known, it appears to have a very unusual composition. The numbers are:
J-10AH 83041 (01), 83045 (05), 83046 (06), 483048 (08), 83049 (09) 83140 (10), 83141 (11), 83142 (12), 83143 (13), 83144 (14), 83145 (15)
J-10SH 83148 (18), 83149 (19), 83240 (20), 83242 (22), 83244 (24)
strongly suggesting the regiment has 16 J-10AH and 8 J-SH.