OVERVIEW: The Harrier GR.9A belongs to the second-generation of the Harrier family, a subsonic, single-engine, V/STOL (Vertical and/or Short Take-Off and Landin), ground-attack and close air support aircraft used by the Royal Air Force. It is the final and most capable UK variant of the Harrier, combining GR.9 avionics and weapon upgrades with the uprated Pegasus Mk 107 engine.

DETAILS: The GR.9A designation applied to GR.7A airframes retrofitted with the full GR.9 Joint Update and Maintenance Programme (JUMP) package, entering service between 2008 and 2010. It retained the composite airframe, seven hardpoints, MIL-STD-1760 digital weapons databus, new mission computer, GPS/INS navigation, and improved cockpit systems. It was powered by the Rolls-Royce Pegasus Mk 107 turbofan producing approximately 23,800 lbf of thrust, providing improved performance in hot-and-high conditions and increased payload capacity. The aircraft lacked onboard radar and relied on FLIR and external targeting pods when fitted. Defensive systems included the Zeus electronic countermeasures suite, Plessey missile approach warning system (MAWS), radar warning receiver, and chaff/flare dispensers. Maximum speed was approximately Mach 0.9.

The “GR” stands for “Ground attack/Reconnaissance.” The GR.9A added improved performance over the GR.9 due to the uprated engine and retained compatibility with precision munitions such as the Brimstone anti-armor missile, Paveway III/IV laser-guided bombs, and AGM-65 Maverick. Structural upgrades included reinforcement of the rear fuselage to accommodate engine stress and system integration.

TYPE: V/STOL multirole strike aircraft

FUNCTION: The GR.9A was primarily used for close air support and precision strike missions in Afghanistan. Its high-thrust engine, short-field performance, and advanced munitions made it effective in austere environments and expeditionary airfields.

PRINCIPAL WEAPON:
Primary air-to-ground: Brimstone anti-armor missile
Primary air-to-air: AIM-9L/M Sidewinder short-range IR-guided missile

NOTE:
IOC: 2008 (GR.9A) , 2006 (GR.9)
Operators: United Kingdom
Manufacturer: British Aerospace (United Kingdom)
Conflict used in: Afghanistan (2008–2009)

SOURCE:
Royal Air Force Museum: https://www.rafmuseum.org.uk/research/collections/british-aerospace-harrier-gr9 ; Forecast International: https://www.forecastinternational.com/archive/disp_pdf.cfm?DACH_RECNO=649 ; GlobalSecurity: https://www.globalsecurity.org/military/world/europe/harrier-gr9.htm ; Wikipedia: https://en.wikipedia.org/wiki/British_Aerospace_Harrier_II