KARACHI: In clear violation of the International Civil Aviation Organisation (ICAO) rules, the CAA flight standard director has impounded all Russian aircraft in the country.Immediately after the crash of the Russian cargo aircraft IL-76 near Dalmia area of Karachi, Flight Standard Director Captain Naveed Aziz impounded four to five Russian aircraft present at various airports across the country, sources told Pakistan Today.The CAA claimed that the crash had nothing to do with the government, as the aircraft was on a non-scheduled flight, the source said – Pakistantoday