Sorry admins but the only way to play it is in iso format.
If you bought the Il-2 Sturmovik Birds of Prey UMD and you want to play it in 5.50 GEN and you can't play it then take any UMD dump app and dump it in the ms.Then download the next patch.
Rip By SCC Team
Fix By Ru-real Team (we don't know it)
Se also my:
Ultimate Addons guide
Dissidia Final Fantasy UMD (EUR) patch
Soul Calibur: Broken Destiny Patch