 The unit's victories came at the expense of four killed in action, one killed in a flying accident, one wounded in action, three injured in aviation accidents, and one taken prisoner of war.Jasta 77 was founded on 25 November 1917 at "Fliegerersatz-Abteilung" ("Replacement Detachment") 1, Schleissheim.On 2 December 1917, the new squadron was assigned to "Armee-Abteilung B".