The Turkish and US governments signed a letter of offer and acceptance (LOA) on April 26/05 for the $1.1-billion modernization of 117 Turkish Air Force F-16s to a common avionics configuration. December 2006 saw a $635.1 million contract under that framework issued to Lockeed Martin.
The upgrade will create a common avionics configuration for the service’s fleet of F-16 Block 40 and 50 aircraft. More than 200 F-16 aircraft make up the backbone of Turkey’s current fighter fleet. Systems to be integrated on Turkey’s upgraded F-16s include: