High Quality Content by WIKIPEDIA articles! The Headwater Diversion Plan was an Arab League plan to divert two of the three sources of the Jordan River, and prevent them from flowing into the Sea of Galilee, in order to thwart Israel`s plans to use the water of the Hasbani and Banias in its National Water Carrier project for out of Basin irrigation. The plan was approved by the Arab League in 1964 but Israel prevented the project`s development by conducting airstrikes in Syrian territory in April, 1967.