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by nosianu 2551 days ago
Just to maybe help avoid confusion:

VFR and air space classes are orthogonal. You can fly through class B (e.g. SFO, for me, learning in the Bay Area, when you transition north starting from San Carlos you first have to talk to SFO tower and then get to pass north just a bit west of the airport, right through class B) or any class. VFR/IFR means something different [0]. A flight plan too is orthogonal, you can file a VFR flight plan too. It is used for safety mostly, in case you go missing, for example [1].

[0] http://www.stephan-schwab.com/airtravel/vfr-ifr

[1] https://thinkaviation.net/how-to-file-a-vfr-flight-plan/