diff --git a/control.lua b/control.lua
index 2de4947d..f0adba54 100644
--- a/control.lua
+++ b/control.lua
@@ -1,6 +1,6 @@
 require 'utils.data_stages'
 _LIFECYCLE = _STAGE.control -- Control stage
-_DEBUG = false
+_DEBUG = true
 _DUMP_ENV = false
 
 
diff --git a/locale/en/pirates.cfg b/locale/en/pirates.cfg
index b54d6e1d..39211124 100644
--- a/locale/en/pirates.cfg
+++ b/locale/en/pirates.cfg
@@ -13,10 +13,10 @@ softmod_info_new_players_1=For New Players
 softmod_info_new_players_2=Mine coal and other resources and bring them to the ship to keep things going, or try asking the captain for more specific tasks.
 
 softmod_info_tips_1=Features of the game that are hard to work out alone
-softmod_info_tips_2=• Resources granted to the ship appear in the captain's cabin.\n• Charging a silo launches a rocket. This causes pollution and evo, but gives a reward of fuel and coins.\n• Charging a silo drains power from everything else on its network.\n• The quantity of ore available on an island is independent of the order in which you break rocks.\n• You can steer the boat from the crow's nest by placing 100 rail signals in one of the blue boxes.\n• Lab productivity increases with each league.\n• Passive pollution ramps up over time on each island.\n• The strength of attacks is proportional to the number of remaining nests. (Technically the time-based rate of evolution is proportional to nests too, but destroying a nest will immediately jump evolution by roughly the amount it 'would have' made had it survived.)\n• To launch a second parallel run, you need a fifth of the server's pirates to endorse it.\n• Help commands: /class, /inventory
+softmod_info_tips_2=• Resources granted to the ship appear in the captain's cabin.\n• Charging a silo launches a rocket. This causes pollution and evo, but gives a reward of fuel and coins.\n• Charging a silo drains power from everything else on its network.\n• The quantity of ore available on an island is independent of the order in which you break rocks.\n• You can steer the boat from the crow's nest by placing 100 rail signals in one of the blue boxes.\n• Lab productivity increases with each league.\n• Passive pollution ramps up over time on each island.\n• The strength of attacks is proportional to the number of remaining nests. (Technically the time-based rate of evolution is proportional to nests too, but destroying a nest will immediately jump evolution by roughly the amount it 'would have' made had it survived.)\n• Useful commands: /class, /ccolor, /inventory, /shout
 
 softmod_info_updates_1=Development
-softmod_info_updates_2=Pirate Ship 1.0.3 is currently in testing! The gameplay is reworked to center around a fuel mechanic. This should make for a clear central objective. Please play and help us tune the gameplay. \n\nRecent significant changes: Fuel mechanic replaces gold. Silo death is no longer a lose condition. Game made much easier for small crews. New island type. New classes.
+softmod_info_updates_2=Pirate Ship 1.0.4 is currently stable. Recent significant changes: Fuel mechanic replaces gold. Silo death is no longer a lose condition. Game made much easier for small crews. New island type. New system of class availabilities.
 
 softmod_info_credits_1=Credits
 softmod_info_credits_2=Softmod designed and written by thesixthroc. Comfy codebase and help from Gerkiz, Hanakocz and Mew @ Comfy Industries (https://getcomfy.eu). Most island structure blueprints contributed by Mattisso.\n\nContact us via Discord, at https://getcomfy.eu.\n\n"Those white gloves. I'll never forget them 'till the day I die." - Dr. John
diff --git a/maps/pirates/ai.lua b/maps/pirates/ai.lua
index 20f300aa..f28e0980 100644
--- a/maps/pirates/ai.lua
+++ b/maps/pirates/ai.lua
@@ -349,7 +349,7 @@ function Public.spawn_group_of_scripted_biters(fraction_of_floating_pollution, m
 
     local new_units = Public.try_spawner_spend_fraction_of_available_pollution_on_biters(spawner.position, fraction_of_floating_pollution, minimum_avg_units, maximum_units, 1/wave_size_multiplier)
 
-    if (new_units and nearby_units_to_bring and (#new_units + #nearby_units_to_bring) == 0) then log('no units found') return end
+    if (new_units and nearby_units_to_bring and (#new_units + #nearby_units_to_bring) == 0) then return end
 
     local position = surface.find_non_colliding_position('rocket-silo', spawner.position, 256, 2) or spawner.position
 
diff --git a/maps/pirates/common.lua b/maps/pirates/common.lua
index 277cf55f..eb88899c 100644
--- a/maps/pirates/common.lua
+++ b/maps/pirates/common.lua
@@ -10,7 +10,8 @@ local Force_health_booster = require 'modules.force_health_booster'
 
 local Public = {}
 
-Public.active_crews_cap = 2
+Public.active_crews_cap = 1
+-- Public.active_crews_cap = 2
 Public.minimum_capacity_slider_value = 1
 
 Public.boat_steps_at_a_time = 1
diff --git a/maps/pirates/coredata.lua b/maps/pirates/coredata.lua
index bdb44a2c..8c9c57d0 100644
--- a/maps/pirates/coredata.lua
+++ b/maps/pirates/coredata.lua
@@ -5,8 +5,8 @@ local inspect = require 'utils.inspect'.inspect
 local Public = {}
 
 Public.scenario_id_name = 'pirates'
-Public.version_string = '1.0.4.2'
-Public.version_float = 1.042
+Public.version_string = '1.0.4.3'
+Public.version_float = 1.043
 
 Public.blueprint_library_allowed = false
 Public.blueprint_importing_allowed = true
diff --git a/maps/pirates/gui/info.lua b/maps/pirates/gui/info.lua
index 20ff59cd..3d0e0e64 100644
--- a/maps/pirates/gui/info.lua
+++ b/maps/pirates/gui/info.lua
@@ -200,9 +200,9 @@ function Public.update(player)
 	if flow2.selected_tab_index == 1 then
 		flow2.style.height = 400
 	elseif flow2.selected_tab_index == 2 then
-		flow2.style.height = 400
+		flow2.style.height = 380
 	elseif flow2.selected_tab_index == 3 then
-		flow2.style.height = 590
+		flow2.style.height = 550
 	elseif flow2.selected_tab_index == 4 then
 		flow2.style.height = 330
 	end
diff --git a/maps/pirates/interface.lua b/maps/pirates/interface.lua
index 4b01ffdd..b3df4362 100644
--- a/maps/pirates/interface.lua
+++ b/maps/pirates/interface.lua
@@ -608,7 +608,11 @@ local function event_on_player_mined_entity(event)
 
 
 		if memory.classes_table and memory.classes_table[event.player_index] and memory.classes_table[event.player_index] == Classes.enum.MASTER_ANGLER then
-			Common.give(player, {{name = 'raw-fish', count = 5}, {name = 'coin', count = 10}}, entity.position)
+			Common.give(player, {{name = 'raw-fish', count = 5}, {name = 'coin', count = 8}}, entity.position)
+		elseif memory.classes_table and memory.classes_table[event.player_index] and memory.classes_table[event.player_index] == Classes.enum.SEA_DREDGER then
+			local to_give = {{name = 'raw-fish', count = 5}, {name = 'coin', count = 12}}
+			to_give[#to_give + 1] = Loot.dredger_loot()[1]
+			Common.give(player, to_give, entity.position)
 		else
 			Common.give(player, {{name = 'raw-fish', count = 3}}, entity.position)
 		end
diff --git a/maps/pirates/loot.lua b/maps/pirates/loot.lua
index 172eb53e..8bc5b817 100644
--- a/maps/pirates/loot.lua
+++ b/maps/pirates/loot.lua
@@ -318,7 +318,7 @@ Public.maze_lab_loot_data_raw = {
 }
 
 function Public.maze_lab_loot()
-	return Common.raffle_from_processed_loot_data(Common.processed_loot_data(Public.maze_lab_loot_data_raw), 1, Math.max(0,Math.min(1, Math.sloped(Common.difficulty(),1/2) * (10/100 + Common.game_completion_progress()))))
+	return Common.raffle_from_processed_loot_data(Common.processed_loot_data(Public.maze_lab_loot_data_raw), 1, Math.max(0,Math.min(1, Math.sloped(Common.difficulty(),1/2) * (Common.game_completion_progress()))))
 end
 
 Public.maze_treasure_data_raw = {
@@ -383,8 +383,50 @@ function Public.maze_treasure_loot()
 	if Math.random(5) == 1 then
 		return {Public.random_plates(8)}
 	else
-		return Common.raffle_from_processed_loot_data(Common.processed_loot_data(Public.maze_treasure_data_raw), 1, Math.max(0,Math.min(1, Math.sloped(Common.difficulty(),1/2) * (70/100 + Common.game_completion_progress()))))
+		return Common.raffle_from_processed_loot_data(Common.processed_loot_data(Public.maze_treasure_data_raw), 1, Math.max(0,Math.min(1, Math.sloped(Common.difficulty(),1/2) * (Common.game_completion_progress()))))
 	end
 end
 
+Public.dredger_loot_raw = {
+	{20, 0, 1, false, 'iron-plate', 1, 1},
+	{20, 0, 1, false, 'copper-plate', 1, 1},
+	{20, 0, 1, false, 'coal', 1, 1},
+
+	{2, 0, 1, false, 'small-electric-pole', 1, 1},
+	{1, 0, 1, false, 'medium-electric-pole', 1, 1},
+	{0.1, 0, 1, false, 'big-electric-pole', 1, 1},
+
+	{0.2, 0, 1, false, 'slowdown-capsule', 1, 1},
+	{0.2, 0, 1, false, 'destroyer-capsule', 1, 1},
+	{0.2, 0, 1, false, 'defender-capsule', 1, 1},
+	{0.2, 0, 1, false, 'distractor-capsule', 1, 1},
+
+	{10, 0, 1, false, 'automation-science-pack', 1, 1},
+	{10, 0, 1, false, 'logistic-science-pack', 1, 1},
+	{4, 0, 1, false, 'military-science-pack', 1, 1},
+	{4, 0, 1, false, 'chemical-science-pack', 1, 1},
+	{4, 0, 1, false, 'production-science-pack', 1, 1},
+
+	{0.0001, 0, 0.8, false, 'modular-armor', 1, 1},
+	{0.0001, 0, 2, true, 'power-armor', 1, 1},
+	{0.00008, 0, 2, true, "power-armor-mk2", 1, 1},
+
+	{0.002, -1, 1, true, 'solar-panel-equipment', 1, 1},
+	{0.002, -1, 1, true, 'battery-equipment', 1, 1},
+	{0.001, 0, 2, true, 'battery-mk2-equipment', 1, 1},
+	{0.002, -1, 1, true, 'energy-shield-equipment', 1, 1},
+	{0.001, 0, 2, true, 'energy-shield-mk2-equipment', 1, 1},
+	{0.001, -1, 1, true, 'personal-roboport-equipment', 1, 1},
+	{0.005, 0, 2, true, 'personal-roboport-mk2-equipment', 1, 1},
+	{0.005, 0, 0.8, false, 'night-vision-equipment', 1, 1},
+	{0.001, 0, 1, false, 'personal-laser-defense-equipment', 1, 1},
+	{0.005, 0, 1, false, 'fusion-reactor-equipment', 1, 1},
+	{0.002, 0, 1, false, 'exoskeleton-equipment', 1, 1},
+	{0.005, 0, 1, false, 'personal-laser-defense', 1, 1},
+}
+
+function Public.dredger_loot()
+	return Common.raffle_from_processed_loot_data(Common.processed_loot_data(Public.dredger_loot_raw), 1, Math.max(0,Math.min(1, Common.game_completion_progress())))
+end
+
 return Public
\ No newline at end of file
diff --git a/maps/pirates/progression.lua b/maps/pirates/progression.lua
index 4a4ec816..a6967007 100644
--- a/maps/pirates/progression.lua
+++ b/maps/pirates/progression.lua
@@ -167,7 +167,6 @@ local place_dock_jetty_and_boats = Token.register(
 
 function Public.progress_to_destination(destination_index)
 	local memory = Memory.get_crew_memory()
-	local global_memory = Memory.get_global_memory()
 	if memory.game_lost then return end
 
 	local boat = memory.boat
diff --git a/maps/pirates/roles/classes.lua b/maps/pirates/roles/classes.lua
index 7fad58c6..8525def5 100644
--- a/maps/pirates/roles/classes.lua
+++ b/maps/pirates/roles/classes.lua
@@ -25,6 +25,7 @@ local enum = {
 	RONIN_SENSEI = 13,
 	IRON_LEG = 14,
 	QUARTERMASTER = 15,
+	DREDGER = 16,
 }
 Public.enum = enum
 
@@ -44,6 +45,7 @@ Public.Class_List = {
 	enum.RONIN_SENSEI,
 	enum.IRON_LEG,
 	enum.QUARTERMASTER,
+	enum.DREDGER,
 }
 
 Public.display_form = {
@@ -62,6 +64,7 @@ Public.display_form = {
 	[enum.RONIN_SENSEI] = 'Ronin',
 	[enum.IRON_LEG] = 'Iron Leg',
 	[enum.QUARTERMASTER] = 'Quartermaster',
+	[enum.DREDGER] = 'Dredger',
 }
 Public.explanation = {
 	[enum.DECKHAND] = 'They move faster and generate ore for the captain\'s cabin whilst onboard above deck, but move slower offboard.',
@@ -79,6 +82,7 @@ Public.explanation = {
 	[enum.RONIN_SENSEI] = 'They are very tough, and *with no weapon equipped* fight well by melee.',
 	[enum.IRON_LEG] = 'They are resistant to damage when carrying 2500 iron ore.',
 	[enum.QUARTERMASTER] = 'Nearby crew generate a little ore for the captain\'s cabin, and have extra physical attack.',
+	[enum.DREDGER] = 'They fish at a distance and find surprising items.',
 }
 
 Public.class_unlocks = {
@@ -86,6 +90,7 @@ Public.class_unlocks = {
 	[enum.LUMBERJACK] = {enum.WOOD_LORD},
 	[enum.PROSPECTOR] = {enum.CHIEF_EXCAVATOR},
 	[enum.SAMURAI] = {enum.RONIN_SENSEI},
+	[enum.MASTER_ANGLER] = {enum.DREDGER},
 }
 
 Public.class_purchase_requirement = {
@@ -93,6 +98,7 @@ Public.class_purchase_requirement = {
 	[enum.WOOD_LORD] = enum.LUMBERJACK,
 	[enum.CHIEF_EXCAVATOR] = enum.PROSPECTOR,
 	[enum.RONIN_SENSEI] = enum.SAMURAI,
+	[enum.DREDGER] = enum.MASTER_ANGLER,
 }
 
 function Public.initial_class_pool()
@@ -102,17 +108,14 @@ function Public.initial_class_pool()
 	-- 	}
 	-- end
 	return {
-		enum.DECKHAND,
 		enum.DECKHAND,
 		enum.FISHERMAN,
 		enum.SCOUT,
-		enum.SCOUT,
 		enum.SAMURAI,
 		enum.MERCHANT,
 		enum.SHORESMAN,
 		enum.SHORESMAN,
 		enum.BOATSWAIN,
-		enum.BOATSWAIN,
 		enum.PROSPECTOR,
 		enum.LUMBERJACK,
 		enum.IRON_LEG,
diff --git a/maps/pirates/tick_functions_classes.lua b/maps/pirates/tick_functions_classes.lua
index 2bd3770d..df990812 100644
--- a/maps/pirates/tick_functions_classes.lua
+++ b/maps/pirates/tick_functions_classes.lua
@@ -85,9 +85,9 @@ function Public.update_character_properties(tickinterval)
 				if memory.classes_table[player_index] == Classes.enum.FISHERMAN then
 					max_reach_bonus = Math.max(max_reach_bonus, 10)
 					character.character_resource_reach_distance_bonus = 10
-				elseif memory.classes_table[player_index] == Classes.enum.MASTER_ANGLER then
-					max_reach_bonus = Math.max(max_reach_bonus, 14)
-					character.character_resource_reach_distance_bonus = 18
+				elseif memory.classes_table[player_index] == Classes.enum.MASTER_ANGLER or memory.classes_table[player_index] == Classes.enum.SEA_DREDGER then
+					max_reach_bonus = Math.max(max_reach_bonus, 16)
+					character.character_resource_reach_distance_bonus = 16
 				else
 					character.character_resource_reach_distance_bonus = 0
 				end