4 files changed, 41 insertions, 29 deletions

diff --git a/src/ai/api/ai_engine.cpp b/src/ai/api/ai_engine.cpp
index 3a2621299..3948a406a 100644
--- a/src/ai/api/ai_engine.cpp
+++ b/src/ai/api/ai_engine.cpp
@@ -64,10 +64,11 @@
 {
 	if (!IsValidEngine(engine_id)) return -1;
 
-	switch (::GetEngine(engine_id)->type) {
+	const Engine *e = ::GetEngine(engine_id);
+	switch (e->type) {
 		case VEH_ROAD:
 		case VEH_TRAIN: {
-			uint16 *capacities = GetCapacityOfArticulatedParts(engine_id, ::GetEngine(engine_id)->type);
+			uint16 *capacities = GetCapacityOfArticulatedParts(engine_id, e->type);
 			for (CargoID c = 0; c < NUM_CARGO; c++) {
 				if (capacities[c] == 0) continue;
 				return capacities[c];
@@ -75,15 +76,13 @@
 			return -1;
 		} break;
 
-		case VEH_SHIP: {
-			const ShipVehicleInfo *vi = ::ShipVehInfo(engine_id);
-			return vi->capacity;
-		} break;
+		case VEH_SHIP:
+			return e->u.ship.capacity;
+			break;
 
-		case VEH_AIRCRAFT: {
-			const AircraftVehicleInfo *vi = ::AircraftVehInfo(engine_id);
-			return vi->passenger_capacity;
-		} break;
+		case VEH_AIRCRAFT:
+			return AircraftDefaultCargoCapacity(e->GetDefaultCargoType(), &e->u.air);
+			break;
 
 		default: NOT_REACHED();
 	}
diff --git a/src/ai/api/ai_event_types.cpp b/src/ai/api/ai_event_types.cpp
index 4c66ceadb..469d53776 100644
--- a/src/ai/api/ai_event_types.cpp
+++ b/src/ai/api/ai_event_types.cpp
@@ -28,10 +28,11 @@ CargoID AIEventEnginePreview::GetCargoType()
 
 int32 AIEventEnginePreview::GetCapacity()
 {
-	switch (::GetEngine(engine)->type) {
+	const Engine *e = ::GetEngine(engine);
+	switch (e->type) {
 		case VEH_ROAD:
 		case VEH_TRAIN: {
-			uint16 *capacities = GetCapacityOfArticulatedParts(engine, ::GetEngine(engine)->type);
+			uint16 *capacities = GetCapacityOfArticulatedParts(engine, e->type);
 			for (CargoID c = 0; c < NUM_CARGO; c++) {
 				if (capacities[c] == 0) continue;
 				return capacities[c];
@@ -39,15 +40,13 @@ int32 AIEventEnginePreview::GetCapacity()
 			return -1;
 		} break;
 
-		case VEH_SHIP: {
-			const ShipVehicleInfo *vi = ::ShipVehInfo(engine);
-			return vi->capacity;
-		} break;
+		case VEH_SHIP:
+			return e->u.ship.capacity;
+			break;
 
-		case VEH_AIRCRAFT: {
-			const AircraftVehicleInfo *vi = ::AircraftVehInfo(engine);
-			return vi->passenger_capacity;
-		} break;
+		case VEH_AIRCRAFT:
+			return AircraftDefaultCargoCapacity(e->GetDefaultCargoType(), &e->u.air);
+			break;
 
 		default: NOT_REACHED();
 	}
diff --git a/src/build_vehicle_gui.cpp b/src/build_vehicle_gui.cpp
index 30cbf1781..de6f339f0 100644
--- a/src/build_vehicle_gui.cpp
+++ b/src/build_vehicle_gui.cpp
@@ -237,8 +237,11 @@ static int CDECL ShipEngineCapacitySorter(const void *a, const void *b)
 /* Aircraft sorting functions */
 static int CDECL AircraftEngineCargoSorter(const void *a, const void *b)
 {
-	int va = AircraftVehInfo(*(const EngineID*)a)->passenger_capacity;
-	int vb = AircraftVehInfo(*(const EngineID*)b)->passenger_capacity;
+	const Engine *e_a = GetEngine(*(const EngineID*)a);
+	const Engine *e_b = GetEngine(*(const EngineID*)b);
+
+	int va = AircraftDefaultCargoCapacity(e_a->GetDefaultCargoType(), &e_a->u.air);
+	int vb = AircraftDefaultCargoCapacity(e_b->GetDefaultCargoType(), &e_b->u.air);
 	int r = va - vb;
 
 	if (r == 0) {
diff --git a/src/engine_gui.cpp b/src/engine_gui.cpp
index 84a344c82..b514df55d 100644
--- a/src/engine_gui.cpp
+++ b/src/engine_gui.cpp
@@ -14,6 +14,7 @@
 #include "engine_gui.h"
 #include "articulated_vehicles.h"
 #include "rail.h"
+#include "aircraft.h"
 
 #include "table/strings.h"
 #include "table/sprites.h"
@@ -144,16 +145,26 @@ static void DrawTrainEngineInfo(EngineID engine, int x, int y, int maxw)
 
 static void DrawAircraftEngineInfo(EngineID engine, int x, int y, int maxw)
 {
-	const AircraftVehicleInfo *avi = AircraftVehInfo(engine);
 	const Engine *e = GetEngine(engine);
+	CargoID cargo = e->GetDefaultCargoType();
 
-	SetDParam(0, e->GetCost());
-	SetDParam(1, e->GetDisplayMaxSpeed());
-	SetDParam(2, avi->passenger_capacity);
-	SetDParam(3, avi->mail_capacity);
-	SetDParam(4, e->GetRunningCost());
+	if (cargo == CT_INVALID || cargo == CT_PASSENGERS) {
+		SetDParam(0, e->GetCost());
+		SetDParam(1, e->GetDisplayMaxSpeed());
+		SetDParam(2, e->u.air.passenger_capacity);
+		SetDParam(3, e->u.air.mail_capacity);
+		SetDParam(4, e->GetRunningCost());
 
-	DrawStringMultiCenter(x, y, STR_A02E_COST_MAX_SPEED_CAPACITY, maxw);
+		DrawStringMultiCenter(x, y, STR_A02E_COST_MAX_SPEED_CAPACITY, maxw);
+	} else {
+		SetDParam(0, e->GetCost());
+		SetDParam(1, e->GetDisplayMaxSpeed());
+		SetDParam(2, cargo);
+		SetDParam(3, AircraftDefaultCargoCapacity(cargo, &e->u.air));
+		SetDParam(4, e->GetRunningCost());
+
+		DrawStringMultiCenter(x, y, STR_982E_COST_MAX_SPEED_CAPACITY, maxw);
+	}
 }
 
 static void DrawRoadVehEngineInfo(EngineID engine, int x, int y, int maxw)