Legend to numbers on the graphic projections of the plane:
1. Radar SH121
2. OLS (model)
3. IR detector
4. Central tail beam, which is probably the rear radar
5. Kiel
6. Monobloc horizontal tail on a titanium frame
7. Place for aerogun (single-barreled, 30mm)
8. Place for a pull-rod refueling
9. The movable part of the influx
10. Place the alleged location of the lateral radar
11. Two-piece rear flaperon
12. Engine with a vertically adjustable nozzle
13. Container for braking parachutes
14. Bays weapons
15. "The build-up, length 4,5 meters for missiles or electronics. The front part of the closing mechanism slats.
16. Places to sites outside of the suspension.
17. Designated eductors optical and electromagnetic traps
18. "S" The external skeleton of air ducts in the form of "S"