diff --git a/cost_estimation/src/tube_and_wing/empirical/operating_cost_estimation_tu_berlin/general/call_functions/_14_calculatecorrectedseatkilometercosts.py b/cost_estimation/src/tube_and_wing/empirical/operating_cost_estimation_tu_berlin/general/call_functions/_14_calculatecorrectedseatkilometercosts.py
index 6099d4bfe0ee7eba34247e62533953de68b639e8..2c29959a9911b990ba2cd1c98b884cf438c70c22 100644
--- a/cost_estimation/src/tube_and_wing/empirical/operating_cost_estimation_tu_berlin/general/call_functions/_14_calculatecorrectedseatkilometercosts.py
+++ b/cost_estimation/src/tube_and_wing/empirical/operating_cost_estimation_tu_berlin/general/call_functions/_14_calculatecorrectedseatkilometercosts.py
@@ -1,5 +1,6 @@
 # Import standard libraries.
-from numpy import array, nonzero
+from numpy import inf, where
+from matplotlib import pyplot as plt
 
 
 def calculate_corrected_seat_kilometer_costs(dict_ac_data, dict_operating_costs, runtime_output):
@@ -11,7 +12,7 @@ def calculate_corrected_seat_kilometer_costs(dict_ac_data, dict_operating_costs,
     following parameters:
         - array corrected_seat_kilometer_costs: Corrected seat kilometer costs (range dependent) in EUR/SKO
 
-    :param dict dict_ac_data: Dict containing parameters and values from aircraft exchange and module configuration file
+    :param dict dict_ac_data: Dict containing parameters and values from aircraft exchange and module config file
     :param dict dict_operating_costs: Dict containing parameters from cost estimation calculation
     :param logging.Logger runtime_output: Logging object used for capturing log messages in the module
     :return dict dict_operating_costs: Dict containing parameters from cost estimation calculation
@@ -34,8 +35,8 @@ def calculate_corrected_seat_kilometer_costs(dict_ac_data, dict_operating_costs,
     # idx_prd_point_a = 0
     # idx_prd_point_b = n_points[0]
     # points = len(n_points)
-    # max_number_of_pax = max(n_pax_for_prd)
-    # max_weight_pax = ACCELERATION_OF_GRAVITY * m_passenger_incl_luggage * max_number_of_pax
+    max_number_of_pax = max(n_pax_for_prd)
+    max_weight_pax = ACCELERATION_OF_GRAVITY * m_passenger_incl_luggage * max_number_of_pax
     # # First n entries can be obtained using the payloads for PRD directly.
     # weight_payload = [ACCELERATION_OF_GRAVITY * payloads_for_prd[i] for i in range(points)]
     # delta_weight_payload = ACCELERATION_OF_GRAVITY * (payloads_for_prd[idx_prd_point_a]
@@ -55,13 +56,27 @@ def calculate_corrected_seat_kilometer_costs(dict_ac_data, dict_operating_costs,
     # # Replace zeros to eliminate 'invalid value encountered in divide' warning.
     # zero_n_pax = nonzero(n_pax_for_prd == 0)[0]
     # n_pax_for_prd[zero_n_pax] = 1e-8
-
+    # G_P_max = dict_ac_data['m_payload_max']*ACCELERATION_OF_GRAVITY
+    G_P_max = payloads_for_prd
+    G_pax = n_pax_for_prd*m_passenger_incl_luggage
+    I_cargo = revenue_per_freight_km*(G_P_max - G_pax)
+    I_pax = revenue_per_seat_and_flight
+    n_pax_cargo = I_cargo/I_pax
     # Calculate corrected seat kilometer costs.
-    corrected_seat_kilometer_costs = 0
+    corrected_seat_kilometer_costs = (dict_operating_costs['seat_kilometer_costs']['seat_kilometer_costs']
+                                      * (n_pax_for_prd/(n_pax_for_prd + n_pax_cargo)))
+    # corrected_seat_kilometer_costs[corrected_seat_kilometer_costs == 0] = inf
+
 
     # Prepare output data.
     dict_operating_costs['corrected_seat_kilometer_costs'] = {}
     dict_operating_costs['corrected_seat_kilometer_costs']['corrected_seat_kilometer_costs'] = \
         corrected_seat_kilometer_costs
 
+    # Plot test.
+    plt.plot(corrected_seat_kilometer_costs)
+    plt.show()
+    plt.plot(G_P_max - G_pax)
+    plt.show()
+
     return dict_operating_costs
diff --git a/cost_estimation/src/tube_and_wing/empirical/operating_cost_estimation_tu_berlin/general/methodplot.py b/cost_estimation/src/tube_and_wing/empirical/operating_cost_estimation_tu_berlin/general/methodplot.py
index e35ab6e97c3984094320d6f878bc5e6f13017b07..2e91c6b6c1d11446ae6c58be34b15398b693b169 100644
--- a/cost_estimation/src/tube_and_wing/empirical/operating_cost_estimation_tu_berlin/general/methodplot.py
+++ b/cost_estimation/src/tube_and_wing/empirical/operating_cost_estimation_tu_berlin/general/methodplot.py
@@ -24,6 +24,8 @@ def method_plot(paths_and_names, routing_dict, data_dict, method_specific_output
     prd_range_array = data_dict['design']['payload_range_diagram_data']['ranges_for_prd']/1000
     prd_payload_array = data_dict['design']['payload_range_diagram_data']['payloads_for_prd']
     seat_kilometer_costs_design = data_dict['design']['seat_kilometer_costs']['seat_kilometer_costs']
+    seat_kilometer_costs_corrected_design = (
+        data_dict['design']['corrected_seat_kilometer_costs']['corrected_seat_kilometer_costs'])
     ton_kilometers_offered_design = data_dict['design']['ton_kilometer_costs']['ton_kilometer_offered']
     ton_kilometer_costs_design = data_dict['design']['ton_kilometer_costs']['ton_kilometer_costs']
 
@@ -34,6 +36,12 @@ def method_plot(paths_and_names, routing_dict, data_dict, method_specific_output
                          prd_range_array, "SKC and TKO for design mission",
                          "design_mission", paths_and_names)
 
+    create_two_axes_plot(seat_kilometer_costs_design, 300, "SKC in €/number of PAX * km for design mission",
+                         seat_kilometer_costs_corrected_design, 300,
+                         "SKC corrected in €/number of PAX * km for mission study",
+                         prd_range_array, "Seat kilometer costs (SKC) vs. corrected SKC",
+                         "design_mission", paths_and_names)
+
     create_two_axes_plot(ton_kilometer_costs_design, 3, "DOC per ton kilometers offered in €/payload weight * km",
                          ton_kilometers_offered_design, max(ton_kilometers_offered_design) * 1.1,
                          "Ton kilometers offered in payload weight * km",