: The aircraft type. The F-5B was a photo-reconnaissance version of the P-38 Lightning used during WWII.
or PaperModelers.com : Large community forums where enthusiasts share tips and sometimes legal downloads. Download File Fly_Model_-_P-38_F5B-1_LO_A4.zip
: Often stands for "Lotnictwo" (Aviation) or refers to the specific series/scale. : The aircraft type