diff --git a/src/game/DBCEnums.h b/src/game/DBCEnums.h
index 53a16559ed2..6f82d5a9240 100644
--- a/src/game/DBCEnums.h
+++ b/src/game/DBCEnums.h
@@ -428,4 +428,21 @@ enum SpellEffectIndex
 
 #define MAX_EFFECT_INDEX 3
 
+enum VehicleFlags
+{
+    VEHICLE_FLAG_ADJUST_AIM_ANGLE   = 0x00000400,           // Lua_IsVehicleAimAngleAdjustable
+    VEHICLE_FLAG_ADJUST_AIM_POWER   = 0x00000800,           // Lua_IsVehicleAimPowerAdjustable
+    VEHICLE_FLAG_CUSTOM_PITCH       = 0x00000040,           // If set use pitchMin and pitchMax from DBC, otherwise pitchMin = -pi/2, pitchMax = pi/2
+};
+
+enum VehicleSeatFlags
+{
+    SEAT_FLAG_HIDE_PASSENGER        = 0x00000200,           // Passenger is hidden
+    SEAT_FLAG_CAN_CONTROL           = 0x00000800,           // Lua_UnitInVehicleControlSeat
+    SEAT_FLAG_CAN_ATTACK            = 0x00004000,           // Can attack, cast spells and use items from vehicle?
+    SEAT_FLAG_USABLE                = 0x02000000,           // Lua_CanExitVehicle
+    SEAT_FLAG_CAN_SWITCH            = 0x04000000,           // Lua_CanSwitchVehicleSeats
+    SEAT_FLAG_CAN_CAST              = 0x20000000,           // Lua_UnitHasVehicleUI
+};
+
 #endif
diff --git a/src/game/DBCStructure.h b/src/game/DBCStructure.h
index 4b845fea242..0106bd19873 100644
--- a/src/game/DBCStructure.h
+++ b/src/game/DBCStructure.h
@@ -1704,6 +1704,8 @@ struct TotemCategoryEntry
     uint32    categoryMask;                                 // 19 (compatibility mask for same type: different for totems, compatible from high to low for rods)
 };
 
+#define MAX_VEHICLE_SEAT 8
+
 struct VehicleEntry
 {
     uint32  m_ID;                                           // 0
@@ -1712,7 +1714,7 @@ struct VehicleEntry
     float   m_pitchSpeed;                                   // 3
     float   m_pitchMin;                                     // 4
     float   m_pitchMax;                                     // 5
-    uint32  m_seatID[8];                                    // 6-13
+    uint32  m_seatID[MAX_VEHICLE_SEAT];                     // 6-13
     float   m_mouseLookOffsetPitch;                         // 14
     float   m_cameraFadeDistScalarMin;                      // 15
     float   m_cameraFadeDistScalarMax;                      // 16
@@ -1736,7 +1738,7 @@ struct VehicleEntry
     uint32  m_uiLocomotionType;                             // 34
     float   m_msslTrgtImpactTexRadius;                      // 35
     uint32  m_uiSeatIndicatorType;                          // 36
-                                                            // 37, new in 3.1
+                                                            // 37, new in 3.1 - powerType
                                                             // 38, new in 3.1
                                                             // 39, new in 3.1
 };
diff --git a/src/game/Opcodes.h b/src/game/Opcodes.h
index 1aacba866d4..0fa87afc8e6 100644
--- a/src/game/Opcodes.h
+++ b/src/game/Opcodes.h
@@ -1226,7 +1226,7 @@ enum Opcodes
     UMSG_UNKNOWN_1189                               = 0x4A5, // not found, old SMSG_PET_GUIDS
     SMSG_BATTLEGROUND_INFO_THROTTLED                = 0x4A6, // empty, "You can't do that yet"
     SMSG_PLAYER_VEHICLE_DATA                        = 0x4A7, // smsg guid+uint32 (vehicle) EVENT_PLAYER_GAINS_VEHICLE_DATA/EVENT_PLAYER_LOSES_VEHICLE_DATA
-    CMSG_UNKNOWN_1192                               = 0x4A8, // cmsg uint64
+    CMSG_PLAYER_VEHICLE_ENTER                       = 0x4A8, // cmsg uint64
     CMSG_EJECT_PASSENGER                            = 0x4A9, // cmsg uint64
     SMSG_PET_GUIDS                                  = 0x4AA, // shifted+5
     SMSG_CLIENTCACHE_VERSION                        = 0x4AB, // shifted+5
diff --git a/src/game/Unit.h b/src/game/Unit.h
index a7c56678301..d04f8f1760c 100644
--- a/src/game/Unit.h
+++ b/src/game/Unit.h
@@ -669,8 +669,8 @@ MovementFlags const movementOrTurningFlagsMask = MovementFlags(
 enum MovementFlags2
 {
     MOVEFLAG2_NONE              = 0x0000,
-    MOVEFLAG2_UNK1              = 0x0001,
-    MOVEFLAG2_UNK2              = 0x0002,
+    MOVEFLAG2_NO_STRAFE         = 0x0001,
+    MOVEFLAG2_NO_JUMPING        = 0x0002,
     MOVEFLAG2_UNK3              = 0x0004,
     MOVEFLAG2_FULLSPEEDTURNING  = 0x0008,
     MOVEFLAG2_FULLSPEEDPITCHING = 0x0010,
diff --git a/src/shared/revision_nr.h b/src/shared/revision_nr.h
index bc866239368..309fba5712a 100644
--- a/src/shared/revision_nr.h
+++ b/src/shared/revision_nr.h
@@ -1,4 +1,4 @@
 #ifndef __REVISION_NR_H__
 #define __REVISION_NR_H__
- #define REVISION_NR "10551"
+ #define REVISION_NR "10552"
 #endif // __REVISION_NR_H__