Production and Manufacturer History
The Lockheed Martin A-4AR Fightinghawk was not a new-build aircraft but a modernization program involving the conversion of 36 ex-US Marine Corps McDonnell Douglas A-4M and TA-4F Skyhawks for the Argentine Air Force. The conversion program began in the mid-1990s, with Lockheed Martin upgrading 36 airframes between 1996 and 2000. Of these, 32 were single-seat A-4AR attack fighters and four were two-seat OA-4AR operational trainers. While eight aircraft were upgraded in the United States, the remaining 28 were rebuilt in Argentina by Lockheed Martin Aircraft Argentina S.A. in collaboration with the Fábrica Militar de Aviones (FMA) at Córdoba. The first Argentine-assembled aircraft was rolled out on August 3, 1998, and the final unit, serial C-936, was delivered in March 2000.
Design and Technical Specifications
Developed by Lockheed Martin, the A-4AR was designed to provide modern combat capabilities to a budget-constrained air force facing arms embargoes. The aircraft is most notable for its "Fightinghawk" designation, reflecting the integration of avionics derived from the F-16 Fighting Falcon. Central to this upgrade was the installation of the ARG-1 radar, a local version of the AN/APG-66. The suite also included a new mission computer, head-up display (HUD), navigation and attack systems, and modernized IFF and radios.
Technically, the A-4AR retains the original McDonnell Douglas airframe dimensions, measuring approximately 12.26 meters in length with a wingspan of 8.38 meters. It is powered by a single Pratt & Whitney J52-P-408A turbojet engine producing 11,200 lbf of thrust, enabling a maximum speed of approximately 1,080 km/h. For armament, it carries two internal 20 mm Colt Mk 12 cannons with 100 rounds each and five external hardpoints capable of supporting 9,900 lb of stores, including AIM-9 Sidewinder missiles and the local ARM-657 "Mamboretá" air-to-surface missile.
Service History and Legacy
Operated exclusively by the Argentine Air Force (FAA), the A-4AR fleet (serials C-901 to C-936) served primarily with the Grupo 5 de Caza based at Villa Reynolds. While its combat record was largely uneventful, the type performed critical air defense intercepts against drug-trafficking and smuggling aircraft, rotating between bases from Resistencia in the north to Río Gallegos in the south. The fleet suffered three accidents, resulting in the loss of two A-4ARs and one OA-4AR.
By 2020, maintenance and obsolescence issues reduced the operational fleet to as few as six aircraft. Following a letter of intent signed with Denmark in March 2024 to acquire F-16s, the A-4AR was officially retired from service on May 14, 2026. This retirement marked the end of over six decades of Skyhawk operations in Argentina, concluding the aircraft's role as a strategic bridge between legacy platforms and 4th-generation fighters.