wrote:
I'm sure I've come across posts from people here who seem to fly more
than one type of plane at a time, so I guess it's legal in the US to be
able to do so.

It's not allowed in my country, and was interested in knowing whether
India alone is archaic or do similar rules exist elsewhere too?

I believe the US recently made this easier. You can now count currency
in one type towards currency in another if you are otherwise current.
I'd have to double check the reg since it doesn't apply to us part 91
guys.

-Robert