Aircraft represented here
VSKYLABS developed the 510X-VLJ to explore the very light jet category in X-Plane. The Cessna Citation Mustang Model 510 is its principal reference, but the developer explicitly describes this as an independent aircraft rather than an exact or official Mustang rendition.
VSKYLABS · VSKYLABS 'Test-Pilot': 510X-VLJ for X-Plane 12. Advanced VLJ simulation. ↗