diff --git a/MapControl/Shared/MapProjectionFactory.cs b/MapControl/Shared/MapProjectionFactory.cs
index b0fe885d..11b727e2 100644
--- a/MapControl/Shared/MapProjectionFactory.cs
+++ b/MapControl/Shared/MapProjectionFactory.cs
@@ -67,6 +67,9 @@ namespace MapControl
case var c when c >= Etrs89UtmProjection.FirstZoneEpsgCode && c <= Etrs89UtmProjection.LastZoneEpsgCode:
return new Etrs89UtmProjection(epsgCode % 100);
+ case var c when c >= Nad27UtmProjection.FirstZoneEpsgCode && c <= Nad27UtmProjection.LastZoneEpsgCode:
+ return new Nad27UtmProjection(epsgCode % 100);
+
case var c when c >= Nad83UtmProjection.FirstZoneEpsgCode && c <= Nad83UtmProjection.LastZoneEpsgCode:
return new Nad83UtmProjection(epsgCode % 100);
diff --git a/MapControl/Shared/Nad27UtmProjection.cs b/MapControl/Shared/Nad27UtmProjection.cs
new file mode 100644
index 00000000..b0379c8a
--- /dev/null
+++ b/MapControl/Shared/Nad27UtmProjection.cs
@@ -0,0 +1,40 @@
+// XAML Map Control - https://github.com/ClemensFischer/XAML-Map-Control
+// Copyright © 2024 Clemens Fischer
+// Licensed under the Microsoft Public License (Ms-PL)
+
+using System;
+
+namespace MapControl
+{
+ ///
+ /// NAD27 UTM Projection with zone number.
+ ///
+ public class Nad27UtmProjection : TransverseMercatorProjection
+ {
+ public const int FirstZone = 1;
+ public const int LastZone = 22;
+ public const int FirstZoneEpsgCode = 26700 + FirstZone;
+ public const int LastZoneEpsgCode = 26700 + LastZone;
+
+ public int Zone { get; }
+
+ public Nad27UtmProjection(int zone)
+ {
+ if (zone < FirstZone || zone > LastZone)
+ {
+ throw new ArgumentException($"Invalid NAD27 UTM zone {zone}.", nameof(zone));
+ }
+
+ Zone = zone;
+ CrsId = $"EPSG:{26700 + Zone}";
+
+ // Clarke 1866
+ EquatorialRadius = 6378206.4;
+ Flattening = 1d / 294.978698213898;
+ ScaleFactor = 0.9996;
+ CentralMeridian = Zone * 6d - 183d;
+ FalseEasting = 5e5;
+ FalseNorthing = 0d;
+ }
+ }
+}
diff --git a/MapControl/UWP/MapControl.UWP.csproj b/MapControl/UWP/MapControl.UWP.csproj
index 2da96286..d510b553 100644
--- a/MapControl/UWP/MapControl.UWP.csproj
+++ b/MapControl/UWP/MapControl.UWP.csproj
@@ -143,6 +143,9 @@
MapTileLayerBase.cs
+
+ Nad27UtmProjection.cs
+
Nad83UtmProjection.cs