The Su-57 And More: Why Russia's "Aircraft Crash" Began

Now, nearly all Russian fighter jets and attack aircraft are at risk.

The Russian Su-57 multi-role fighter jet may have exploded when its engines were started due to impurities in the jet fuel. This was reported by the Telegram channel Ukraine Context.

Ukrainian strikes on oil refineries are forcing Russia to cut back on its own production of jet fuel and increase imports. According to the channel, nearly all Russian fighter jets and attack aircraft are now at risk. Specifically, the fuel is shipped from India via a transshipment point at sea near Malaysia: in September alone, more than 37,000 metric tons of aviation fuel were delivered to Russia via this route. During transportation, transshipment, or storage, the fuel can become contaminated with impurities capable of causing critical engine damage. It is precisely this scenario that could have led to the explosion of the Su-57.

According to Ukrainian military intelligence, large-scale drone strikes on Russian oil refineries have reduced domestic production of high-quality aviation kerosene, prompting Russia to set up opaque import schemes. The use of substandard imported fuel or adulterated substitutes is cited as one of the leading theories behind the catastrophic failure of the Su-57’s engines. Although Jet A-1 fuel is theoretically compatible with Russian combat aircraft, its procurement through gray-market schemes and transshipments on the high seas increases the risk of quality standards being compromised.

Officially, data on RN-Aero’s deliveries was classified in the summer of 2026 by a decree issued by Vladimir Putin.

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