The Si-40 is a supersonic multi-role fighter that is excellent in all areas of flight combat. It shares some design characteristics with the Su-47 Berkut.
- Speed: 91
- Air-To-Air: 91
- Air-To-Ground: 99
- Mobility: 91
- Defense: 99
- Gun: Unknown cannon
- Missile: Unknown MSSL
- AAM - Air to Air Heat Seeking Missile
- AGM - Standard Air to Ground Missile
- ASM - Tactical Air to Surface Missile
- CM - Cluster Missile
- NB - Napalm Bomb
- PGB - Precision Guided Bomb
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