Stealth aircraft

A stealth aircraft is an aircraft that uses special alloys and design features that make them difficult for radar to see. They are also made to emit little infrared radiation.

F-35 vs J-20 vs Su-57 – MASS PRODUCTION STEALTH FIGHTERS : Radar cross-section (RCS) [1]
PICTURE	TYPE	COUNTRY	X-BAND(8150 MHz)	S-BAND(3150 MHz)	L-BAND(1150 MHz)	VHF (150 MHz)
	Lockheed Martin F-35 Lightning II	United States	0.06 m2	0.08 m2	0.13 m2	0.74 m2 [2]
	Chengdu J-20	China	0.21 m2	0.21 m2	0.24 m2	1.15 m2 [3]
	Sukhoi Su-57	Russia	0.48 m2	0.32 m2	0.35 m2	0.66 m2 [4]

1. ↑ "F-35 vs J-20 vs Su-57 Summary – Aircraft 101". basicsaboutaerodynamicsandavionics.wordpress.com. 2023-01-15. Retrieved 2026-03-07.(in English).
2. ↑ "F-35A Radar scattering simulation – Aircraft 101". basicsaboutaerodynamicsandavionics.wordpress.com. 2022-09-23. Retrieved 2026-03-04. {{cite web}}: no-break space character in |title= at position 6 (help)(in English).
3. ↑ "J-20 Radar scattering simulation – Aircraft 101". basicsaboutaerodynamicsandavionics.wordpress.com. 2022-11-27. Retrieved 2026-03-04.(in English).
4. ↑ "Su-57 Radar scattering simulation – Aircraft 101". basicsaboutaerodynamicsandavionics.wordpress.com. 2022-09-26. Retrieved 2026-03-04.(in English).