diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6af1eb9..d3088a3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,8 @@
 # CHANGELOG
 
+## not released
+- parser: Added support for OGNSIT (SITACO) beacons
+
 ## 2.0.0: - 2025-05-23
 - parser: use rust parser as default
 - parser: removed OgnParseError since only invalid APRS don't pass the parser
diff --git a/ogn/parser/parse.py b/ogn/parser/parse.py
index 74b011f..d219217 100644
--- a/ogn/parser/parse.py
+++ b/ogn/parser/parse.py
@@ -22,6 +22,7 @@
     'OGNSDR': 'receiver',
     'OGNSKY': 'safesky',
     'OGPAW': 'pilot_aware',
+    'OGNSIT': 'sitaco',
     'OGSKYL': 'skylines',
     'OGSPID': 'spider',
     'OGSPOT': 'spot',
diff --git a/tests/parser/parse/test_parse.py b/tests/parser/parse/test_parse.py
index 4f35486..95bf106 100644
--- a/tests/parser/parse/test_parse.py
+++ b/tests/parser/parse/test_parse.py
@@ -141,6 +141,20 @@ def test_spot_beacons():
     _parse_valid_beacon_data_file(filename='OGSPOT_Spot.txt', beacon_type='spot')
 
 
+def test_sitaco_beacons():
+    message = parse("SITB4E21C>OGNSIT,qOR:/104212h4842.74N/00918.94E'072/024/A=001354 !W16! id37B4E21C +039fpm",
+                    reference_timestamp=datetime(2015, 4, 10, 17, 0), use_server_timestamp=False)
+
+    assert message['aprs_type'] == 'position'
+    assert message['beacon_type'] == 'sitaco'
+    assert message['dstcall'] == 'OGNSIT'
+    assert message['name'] == 'SITB4E21C'
+    assert message['address'] == 'B4E21C'
+    assert message['address_type'] == 3
+    assert message['aircraft_type'] == 13
+    assert message['track'] == 72
+
+
 def test_generic_beacons():
     message = parse("EPZR>WTFDSTCALL,TCPIP*,qAC,GLIDERN1:>093456h this is a comment")