Originally Posted by
Top of climb
879 is the flight number. F-A/12 inside the < > means it's the menu for the cycle February-April 2012. 1138F has me stumped, though I suspect the F is for First and the 1138 is a unique menu code assigned to this menu.
I have a feeling that the 1138 is indeed a unique code, but for that specific page only. If you look on adjacent pages the number changes.