7/19/2023 0 Comments What obsThey can then fly TO or FROM it precisely as if it were a VOR. That will enable them to choose the course they want to fly to the selected waypoint. On the other hand, they can select OBS mode. The pilot follows the road, and the CDI on the navigational instrument simply indicates where that road is. They can either fly directly towards something and display the route there like a road. So it only makes sense that the HSI can display course guidance from that, too.Īll aircraft GPS units have two modes. Today, many planes, especially those with glass cockpits like the Garmin G1000, have VFR and IFR-approved GPS (Global Positioning Systems) receivers. Gulfstream Gulfstream G700 Glass Cockpit What is OBS Mode on the G1000? For example, the instrument can tell the pilot the course to fly either directly toward or away from the VOR by turning the OBS. The OBS controls the display in the cockpit to tell the pilot different things about the station. The pilot can input the frequency and then navigate using that ground station. The locations of VOR stations are shown on aeronautical charts, along with their frequencies. These navigational radios receive VHF (Very-High Frequency) signals from a VOR (VHF Omnidirectional Range) ground station. Initially, OBSs were connected to a NAV indicator that worked with a VOR receiver. It controls the pilot’s navigational instrument. Simply put, an OBS (Omni-Bearing Selector) is just another nondescript knob in an airplane’s cockpit. It stands for the “Omni-Bearing Selector,” and it enables a pilot to select which direction they wish to fly towards or away from a VOR navigational beacon or GPS waypoint. The OBS is a selector knob on a navigational radio.
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