diff --git a/src/boat.py b/src/boat.py
index 63e7921..df421e7 100644
--- a/src/boat.py
+++ b/src/boat.py
@@ -1,6 +1,6 @@
 #coding:utf-8
 import statistics
-import custom_exception
+from custom_exception.nothing_to_compare_error import *
 
 class Boat:
     def __init__(self, boat_id: str, name: str, sismer_id: str, url: str, avatar:str , temperatures: list, positions: list):
@@ -13,15 +13,21 @@ class Boat:
         self.positions = positions
     def __str__(self):
         return f"{self.name}"
+    def __eq__(self, other):
+        if other is None:
+            return False
+        if not isinstance(other, self.__class__):
+            return False
+        return self.boat_id == other.boat_id
 
     def get_temp_mean(self):
         return statistics.mean(self.temperatures)
     def get_northiest_coords(self):
         if len(self.positions) == 0:
-            raise custom_exception.NothingToComapreError(f"{self.name} must have coords to compare")
+            raise NothingToCompareError(f"{self.name} must have coords to compare")
         best = self.positions[0]
         for position in self.positions:
-            if position.is_northiest_than(best):
+            if position.is_norther_than(best):
                 best = position
         return best
                 
diff --git a/src/fleet.py b/src/fleet.py
index de639f3..a66d80c 100644
--- a/src/fleet.py
+++ b/src/fleet.py
@@ -6,7 +6,7 @@ from position import Position
 from custom_exception.nothing_to_compare_error import NothingToCompareError
 
 class Fleet:
-    def __init__(self, year: int, loader: BoatsLoader):
+    def __init__(self, year: int, loader :BoatsLoader):
         self.boats = loader.load_boats(year)
         
 
@@ -25,8 +25,16 @@ class Fleet:
         return best_boat, best_element_to_compare
 
     def get_northiest(self):
-        return self.compare_boats(Boat.get_northiest_coords, Position.is_northiest_than)
+        try:
+            return self.compare_boats(Boat.get_northiest_coords, Position.is_norther_than)
+        except TypeError as e:
+            print(e)
+            return;
     def get_highiest_heat_mean(self):
-        return self.compare_boats(Boat.get_temp_mean, float.__ge__)
+        try:
+            return self.compare_boats(Boat.get_temp_mean, float.__ge__)
+        except TypeError as e:
+            print(e)
+            return;
         
 
diff --git a/src/position.py b/src/position.py
index df4a9b3..50abbb6 100644
--- a/src/position.py
+++ b/src/position.py
@@ -7,7 +7,14 @@ class Position:
 
     def __str__(self):
         return f"[{self.latitude}; {self.longitude}]"
-    def is_northiest_than(self, position):
+    def is_norther_than(self, position):
         if position == None:
             return True
         return self.latitude >= position.latitude
+    def __eq__(self, other):
+        if other is None:
+            return False
+        if not isinstance(other, self.__class__):
+            return False
+        return self.longitude == other.longitude and self.latitude == other.latitude
+