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diff --git a/haskell/src/SpaceTraders/Model/System.hs b/haskell/src/SpaceTraders/Model/System.hs
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+++ b/haskell/src/SpaceTraders/Model/System.hs
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+{-# LANGUAGE DeriveAnyClass #-}
+{-# LANGUAGE DeriveGeneric #-}
+{-# LANGUAGE OverloadedStrings #-}
+
+module SpaceTraders.Model.System
+  ( System(..)
+  ) where
+
+import Data.Aeson
+import qualified Data.Text as T
+import GHC.Generics
+
+import SpaceTraders.Model.Waypoint(Waypoint)
+
+data System = System { sectorSymbol :: T.Text
+                     , symbol :: T.Text
+                     , systemType :: T.Text
+                     , x :: Int
+                     , y :: Int
+                     , waypoints :: [Waypoint]
+                     --, factions :: [Faction]
+                     } deriving (Generic, Show)
+instance FromJSON System where
+  parseJSON = withObject "System" $ \o ->
+    System <$> o .: "sectorSymbol"
+           <*> o .: "symbol"
+           <*> o .: "type"
+           <*> o .: "x"
+           <*> o .: "y"
+           <*> o .: "waypoints"
+instance ToJSON System where
+  toEncoding (System ss s t xx yy w) = pairs ( "sectorSymbol" .= ss
+                                          <> "symbol" .= s
+                                          <> "type" .= t
+                                          <> "x" .= xx
+                                          <> "y" .= yy
+                                          <> "waypoints" .= w )