Thanks to all who took the trouble to respond to this.
I could not find any actual reviews on YouTube and there seems to be little on line about the Flight1 Su-27 Flanker B. It does look like it is produced with ALS-SIM.
Now for the embarrassing part...I did buy it a way back, but it did not install right and unfortunately I did not create an account, so I lost it. (I told you in a previous post that I am not good on a computer). Anyway, it appeared in FSX like a skeleton with bits missing (like the problem someone had with the AFS F-4 Phantom). After reading that post, I checked