FSX Sp2 dx9 black canopy issue

Hey I'm getting a black canopy issue in a lot of the fsx add on aircraft i have, and i have installed the vc rain fix, and it happens whether it's raining or clear sky. Does anyone have any idea how to fix this?
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It's a model and texture incompatibility issue that occurs with older FS9 aircraft
Is this the OV-10 from Tim Conrad ?
There's an updated, full FSX SP2 (real one, with self shadow etc..., not an FS9 port-over) OV-10 now, so you won't get any transparency issue anymore. I don't know if it's already uploaded at SimV, but it's there at SimOuthouse.com. The MoHawk and the Bronco are must-have for me.