were given by the USSR as replacements for two lost during a 1989 hurricane. All but one were removed from service by 2000, with one remaining in service, the GC301 "Río Segovia" as of 2014. Seychelles People's Defence Force - Supplied by the USSR in 1982, two vessels remain operational with their "Spin Trough" radar replaced by a different system. Somali Navy - One example was transferred, sunk in the civil war of 1991. Syrian Navy - Home ported at Tartous, eight units were transferred from 1981–88. They remain operational. Vietnam People's Navy - Between 1978 and 1990, a total of fourteen units were transferred. One example was transferred to Cambodia, and three decommissioned in 1993. By 2007 the remainder had been decommissioned. Yemeni Navy - Following the unification of North and South Yemen, a total of seven examples were in Yemeni possession. Four were modified with the addition of Decca 1226 radar systems. By 2006, the Zhuks were replaced by new, purpose-built patrol boats from Australia. References External links Project 1400 patrol boat Project 1400M Grif | Spets Techno Export Complete Ship List of all Zhuk class patrol boats Patrol vessels of the Soviet Navy Patrol vessels of the Ukrainian Navy Patrol vessels of the Georgian Navy