the deactivated Russian aircraft carrier Admiral Gorshkov in 2004. After refurbishment and trials, the ship was formally inducted into the Indian Navy as INS Vikramaditya in June 2014. Sea Harriers operated from INS Viraat for the last time on 6 March 2016. On 11 May 2016, a ceremony was held at INS Hansa, Dabolim, Goa to commemorate the phasing out of Sea Harriers from INAS 300 "White Tigers" and their replacement by the MiG-29K/KUB fighters. Aircraft of both types performed an air display at the ceremony, marking the final flight of the Sea Harriers after 33 years of service in the Indian Navy. The Indian Navy operates MiG-29K/KUB STOBAR fighters from Vikramaditya. Variants Sea Harrier FRS.1 57 FRS1s were delivered between 1978 and 1988; most survivors converted to Sea Harrier FA2 specifications from 1988. Sea Harrier FRS.51 Single-seat fighter, reconnaissance, and attack aircraft made for the Indian Navy, similar to the British FRS1. Unlike the FRS1 Sea Harrier, it is fitted with Matra R550 Magic air-to-air missiles. These aircraft were later upgraded with the Elta EL/M-2032 radar and the Rafael Derby BVRAAM missiles. Sea Harrier F(A).2 Upgrade of FRS1 fleet in 1988, featuring the Blue Vixen pulse-doppler radar and the AIM-120 AMRAAM missile. Operators Indian Navy Indian Naval Air Arm (1983–2016) Royal Navy Fleet Air Arm (1978–2006) Surviving aircraft Several surviving Sea Harriers are held by museums and private owners, and some others are at the Royal Navy School of Flight Deck Operations at RNAS Culdrose and other military bases for training. The following is list of those not used by the military for training. India On display Sea Harrier FRS 51 (IN-621) at the Naval Aviation Museum (India) in Goa, India Sea Harrier T Mk.60 (IN-654) at the Rashtriya Indian Military College in Dehradun, India United Kingdom In use The Royal Navy School of Flight Deck Operations still uses Harriers to train Aircraft Handlers who train on the dummy deck at RNAS Culdrose. Many are in a working condition, although in a limited-throttle setting. Although they are unable to fly, they still produce a loud sound to aid training. On display Sea Harrier FA.2 ZD610 at Aerospace Bristol Sea Harrier FA.2 XZ457 at the Boscombe Down Aviation Collection, Old Sarum, Wiltshire Sea Harrier FRS.1 XZ493 at the Fleet Air Arm Museum, Yeovilton, Somerset Sea Harrier FA.2 XZ494 at the Castle Farm Camping and Caravanning, Wedmore, Somerset Sea Harrier FA.2