Sea Harrier FRS.1 - 57 FRS1s were built (1978~1988); later were 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.[25] 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 Sea Harrier FRS.1 in 1988, featuring the Blue Vixen Pulse-Doppler radar and AIM-120 AMRAAM missile.