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By Open Chronicle News Desk with Agencies
A Russian military aircraft crashed in the Moscow region on Thursday during what authorities described as a routine training mission, prompting widespread speculation that the aircraft involved may have been a Sukhoi Su-57, Russia’s fifth-generation stealth fighter.
At present, however, there is no official confirmation that the aircraft was a Su-57, and Russian authorities have not identified the type of aircraft lost.
Russian Defense Ministry confirms aircraft loss
According to Russian state news agency RIA Novosti, the Russian Ministry of Defense confirmed that one of its military aircraft crashed while conducting a training flight.
Officials stated that the aircraft was not carrying weapons at the time of the incident.
The ministry did not disclose the aircraft’s type, serial number or assigned unit.
Preliminary reports indicate that the pilot successfully ejected before impact, avoiding injury, while the aircraft crashed into an open field near the town of Odintsovo, close to Kubinka Air Base, west of Moscow.
Video circulating on social media appeared to show the aircraft engulfed in flames after impact.
Technical malfunction cited as preliminary cause
The Ministry of Defense said the initial assessment points to a technical malfunction as the likely cause of the crash.
No evidence has been presented publicly to suggest hostile action or external interference.
As with many military aviation accidents, investigators are expected to examine the aircraft’s flight data, maintenance history and technical condition before determining the definitive cause.
Unconfirmed reports mention the Su-57
Following the crash, several online channels reportedly associated with the Russian military suggested that the aircraft involved may have been a Su-57 Felon, Russia’s most advanced operational combat aircraft.
Those claims have not been independently verified.
Neither the Russian Ministry of Defense nor other official government sources have confirmed that a Su-57 was involved.
Because of the absence of official identification, the aircraft’s type remains uncertain.
Friendly fire speculation emerges online
The crash has also generated speculation on social media that the aircraft may have been accidentally engaged by Russian air defenses.
Such theories emerged because Moscow has remained on heightened alert in recent days following repeated long-range drone attacks attributed to Ukraine.
The Russian capital and surrounding region have experienced multiple air-defense activations aimed at intercepting unmanned aerial vehicles approaching strategic sites.
However, there is currently no official or independently verified evidence indicating that the aircraft was brought down by friendly fire.
Authorities continue to maintain that the preliminary cause appears to have been a technical failure.
Why a Su-57 loss would be significant
If the aircraft were ultimately confirmed to be a Su-57, the incident would represent a notable setback for the Russian Aerospace Forces.
The Su-57 officially entered Russian military service in 2020 and remains Russia’s premier fifth-generation multirole fighter.
Production has proceeded gradually, and only a relatively limited number of aircraft are believed to have entered operational service.
Designed to combine stealth characteristics with advanced avionics, supercruise capability and modern air-to-air and air-to-ground weapons, the aircraft represents one of Russia’s most important long-term combat aviation programmes.
Because of its limited numbers and strategic value, analysts have noted that the Su-57 has generally been kept away from sustained frontline operations during the war in Ukraine, instead operating primarily from bases inside Russian territory or conducting missions at extended range.
Investigation continues
Russian authorities have not announced when additional information about the crash will be released.
Until investigators identify the aircraft officially, reports suggesting that a Su-57 was involved remain unconfirmed.
The crash nevertheless highlights the continued operational challenges facing military aviation fleets during periods of heightened readiness, particularly as Russia maintains elevated air-defense activity around the capital amid ongoing security concerns.