WEST PALM BEACH, Fla. (CBS12) — A South Florida man and Russian national was convicted on all counts after prosecutors said he helped illegally export nearly $1 million worth of U.S. aircraft parts to Russia and the state-owned airline Aeroflot.

62-year-old Alexander Mamonov was found guilty after a federal trial in the Southern District of Florida.

Prosecutors said Mamonov, a former Aeroflot employee who relocated from Russia to South Florida, conspired to acquire and ship more than $900,000 in aircraft parts to Russia and Aeroflot after the U.S. tightened export restrictions following Russia’s invasion of Ukraine.

According to court documents and testimony, Mamonov and his alleged co-conspirator, Ignat Vakorin, misled U.S. suppliers about where the aircraft parts were headed. They allegedly used destinations including the United Arab Emirates and China to conceal shipments ultimately bound for Russia.

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Mamonov was convicted of 12 counts, including conspiracy to violate the Export Control Reform Act, illegally exporting items subject to the law, conspiracy to commit smuggling, smuggling goods, submitting false or misleading export information and conspiracy to commit money laundering.

“Russia cannot evade American sanctions and export controls by routing its purchases through South Florida,” U.S. Attorney Jason A. Reding Quiñones for the Southern District of Florida said. “You cannot put a fake destination on a shipping label and make American export laws disappear.”

Federal prosecutors said Mamonov and Vakorin used false destinations and financial transactions to conceal the shipments.

“Let this verdict serve as a warning to anyone considering smuggling U.S. technology to our adversaries,” said FBI Assistant Director Roman Rozhavsky of the Counterintelligence and Espionage Division.

The U.S. Department of Commerce increased restrictions on exports to Russia after Russia’s further invasion of Ukraine in 2022. The department also issued a temporary denial order barring Aeroflot from receiving U.S.-origin goods.

Mamonov was indicted in April 2025 along with Vakorin, who remains a fugitive.

Mamonov is scheduled to be sentenced Nov. 20 by U.S. District Judge Kathleen M. Williams.