Download F3K Timer Pro APK v2.2.1

Free download F3K Timer Pro APK for Android, PC. Latest version is 2.2.1, update at May 26, 2017

F3K Timer Pro version 2.2.1 is only one variant.

The stop watch program for F3K (HLG or DLG) model contests!automatic calulation of the left flight time in accordance with the actual task.Your can invalidate current/last flight or mark it...