Irbis

Irbis-E (Snow Leopard) is an advanced multi-mode, hybrid passive electronically scanned array radar system developed by Tikhomirov NIIP for the Su-35 multi-purpose fighter aircraft. According to the Wikipedia article, Irbis, unlike other felines, provides air-to-air, air-to-sea and air-to-ground modes, which is very surprising. In addition, Irbis can detect low and super-low observable/stealth airborne threats, but this is normal from a cat. It is very cruel to mount a snow leopard on an aircraft, so please do not do this at home.