diff --git a/src/blackcore/vatsim/networkvatlib.cpp b/src/blackcore/vatsim/networkvatlib.cpp
index 5981e085d..14b5646b8 100644
--- a/src/blackcore/vatsim/networkvatlib.cpp
+++ b/src/blackcore/vatsim/networkvatlib.cpp
@@ -1045,9 +1045,14 @@ namespace BlackCore
             freq.switchUnit(CFrequencyUnit::MHz()); // we would not need to bother, but this makes it easier to identify
             CLength range(pos->visibleRange, CLengthUnit::NM());
             QString cs = cbvar_cast(cbvar)->fromFSD(callsign);
+
+            // Filter non-ATC like OBS stations, like pilots logging in as shared cockpit co-pilots.
+            if (pos->facility == vatFacilityTypeUnknown && !cs.endsWith("_OBS")) { return; }
+
             // ATIS often have a range of 0 nm. Correct this to a proper value.
             if (cs.contains("_ATIS") && pos->visibleRange == 0) { range.setValueSameUnit(150.0); }
             CCoordinateGeodetic position(pos->latitude, pos->longitude, 0);
+
             emit cbvar_cast(cbvar)->atcPositionUpdate(CCallsign(cs, CCallsign::Atc), freq, position, range);
         }