When commanded, the AGR legend will appear on the HUD and the RDR ATTK format will display the AGR sub-format. Its purpose is to provide slant range to an aimpoint to allow a more precise calculation of altitude above target. When a markpoint is selected as the steering reference by boxing WYPT in HSI/SA formats, its identifier preceded by the letter M and range will be displayed in the HUD.Īir-to-ground ranging (AGR) mode is an indirect radar mode-it is commanded automatically by the MC when deemed necessary and cannot be directly selected. They may be selected as the steering reference, designated by pressing WPDSG and other cues and symbology remain the same. Markpoint selection in the HSI/SA formats is denoted by a letter M preceding the markpoint number identifier.įunctionally, they are very similar to conventional waypoints. Markpoints are stored after the 60 onboard waypoints, however, it's not necessary to increment the waypoint selector in the HSI/SA formats all the way past 60, as it's possible to decrement it below waypoint 1 to access markpoints (starting at markpoint 9 and decrementing).

Upon pressing the MK# button, a markpoint is created at the overfly location if there is no target designation or at the target designation otherwise. Up to 9 markpoints can be stored at a time, and it's possible to overwrite them after creating the 9th one (in sequential order). The number # (1 through 9) indicates exactly which markpoint will be created when the button is pressed and it increments sequentially. Functionality is as follows:Ī markpoint can be created by pressing the MK# OSB in the HSI/SA formats. Markpoints provide a simple and quick way to store locations of interest. For the next Hornet update, we plan for the addition of two new features: mark points and AGR radar mode:

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