Great looks, nice interiors, and a turret! Yay! I don't know what makes the difference between 4 and 5 star fighters.. But maybe I was hoping for a bit more for weapons, especially if it's meant to act as a heavy fighter.
I tested weapons against QC Cargo containers and several ships of different sizes, and felt like Falcon was doing a fairly okay job against ships of similar size, but couldn't damage anything even slightly bigger if the target had shields. It's clear that Falcon stands out as a fighter class though - similar sized shuttle ships will not stand a chance against Falcons arms.
When testing the defensive capabilities against military-grade corvettes, Falcon showed promise in not exploding immediately. Combining the armors and shields with a good stable radar jammer, pilots will appreciate the slight increase in survival chance.
Overall, it does fill the requirements to be classified as a fighter, but it's weapons might be a bit too underpowered for filling the role of a heavy fighter, and it sacrifices crucial evasive speed for defensive capabilities that are probably not quite enough for survival in real conditions.