Tiger II
Before all those upgrades, Improvements to F-5A/B were realised with the installation of "Tiger II" avionics on, probably, 8 F-5A and 2 F-5B. A contract was stipulated with the French company Sogerma at Bordeaux (France), all aircraft were received by 1998. From 2001 to 2004 the RMAF's F-5E/F received a full refurbishment and upgrade from SOGERMA and Lahav (IAI). The upgraded improved the performance of the "Tiger II" to the level of the "Tiger III". The work carried up included: