page_title: List of Harrier variants
section_title: British Aerospace Harrier II
hierarchical_section_title: List of Harrier variants / British Aerospace Harrier II
caption_attribution_description: Harrier GR7A at RIAT 2005.
context_page_description: This is a list of variants of the Harrier Jump Jet family of V/STOL ground attack fighter aircraft.
context_section_description: GR5
  The GR5 was the RAF's first second-generation Harrier. The GR5 differed from the USMC AV-8B in avionics fit, weapons and countermeasures. Forty one GR5s were built.
  GR5A
  The GR5A was a minor variant of the Harrier which incorporated changes in the design in anticipation of the GR7 upgrade.
  GR7
  The GR7 was an upgraded version of the Harrier GR5.
  GR7A
  The GR7A is a GR7 with an uprated Rolls-Royce Pegasus 107 engine. The Mk 107 engine provides around 3,000 lbf (13 kN) extra thrust than the Mk 105's 21,750 lbf (98 kN) thrust, increasing aircraft performance during "hot and high" and carrier-borne operations.
  GR9
  The Harrier GR9 is an avionics and weapons upgrade of the standard GR7.
  GR9A
  The Harrier GR9A is an avionics and weapons upgrade of the uprated engined GR7As. All GR9s are capable of accepting the Mk 107 Pegasus engine to become GR9As.
  T10
  The Harrier T10 is the original two seat training variant of the second-generation RAF Harrier. The RAF used the USMC trainer, the TAV-8B, as the basis for the design.
  T12
  The RAF needed trainers to reflect the upgrade of the GR7 to GR9. Nine T10 aircraft were to receive the JUMP updates under the designation T12, but retain the less powerful Pegasus 105 engine.
caption: An RAF Harrier GR7A at RIAT 2005
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