This is because they decided they didn't have to pay Boeing. Has nothing to do with invasion. Up shit creek without a paddle. I don't believe they were actually even banned from flying, but maybe? As I recall Boeing told them to eat a bag of dicks on getting replacement parts. Since they got stiffed on like 10 billion. I remember you can't land a plane that has unregistered untraceable parts.
Vietnamese flights should be blacklisted if they share their aircraft.
Russia asks Vietnam for planes as seized Western fleet falls apart
Moscow proposed wet-leasing Vietnamese aircraft, crews and maintenance, but any transfer would involve Airbus or Boeing jets, exposing Vietnamese carriers to secondary sanctions. Nearly a fifth of Russia's largest airlines' planes are already grounded, double the normal downtime rate.
