OVERVIEW: The Harrier GR.3 belongs to the first generation of the Harrier family, a single-engine, subsonic, V/STOL ground-attack and reconnaissance aircraft designed for tactical air support and forward deployment. It was an upgraded model of the GR.1A, optimized for short takeoff operations with improved avionics and forward-looking sensor capability.

DETAILS: The GR.3 was powered by the Rolls-Royce Pegasus Mk 103 turbofan engine and featured five external hardpoints for weapons or fuel. It introduced a laser rangefinder and marked-target seeker in an extended nose fairing, a passive RWR on the tail, and updated navigation and attack systems. It retained no radar but incorporated improved cockpit displays and low-light functionality for better combat awareness. Top speed was approximately Mach 0.94, and the airframe remained similar to the GR.1A with reinforced gear for dispersed air operations.

The "GR" designation stands for "Ground attack and Reconnaissance," and the GR.3 specifically added the Ferranti LRMTS (Laser Rangefinder and Marked Target Seeker) and the ARI.18223 passive RWR. Remained fully V/STOL-capable for forward-based or improvised runway operations.

TYPE: V/STOL ground-attack and reconnaissance aircraft

FUNCTION: The GR.3 was used primarily for close air support, battlefield interdiction, and reconnaissance missions in Central Europe under NATO. Its dispersed operation capability from roads or temporary airstrips made it suitable for Cold War scenarios, and it was later deployed in the Falklands War for both strike and support.

NOTE:
IOC: Harrier GR.3 UK: 1977
Operators: United Kingdom
Conflict used in: Falklands War (1982)

SOURCE:
Royal Air Force Museum ; UK National Archives: https://discovery.nationalarchives.gov.uk ; Jane’s All the World’s Aircraft ; Wikipedia: https://en.wikipedia.org/wiki/Hawker_Siddeley_Harrier