diff --git a/core.liberation/R3F_LOG/fonctions_generales/lib_geometrie_3D.sqf b/core.liberation/R3F_LOG/fonctions_generales/lib_geometrie_3D.sqf
index 25df1e2a2..4f61d00cd 100644
--- a/core.liberation/R3F_LOG/fonctions_generales/lib_geometrie_3D.sqf
+++ b/core.liberation/R3F_LOG/fonctions_generales/lib_geometrie_3D.sqf
@@ -544,7 +544,7 @@ R3F_LOG_FNCT_3D_tirer_position_degagee_sol = {
 		"_rayon_degage",
 		"_pos_centre",
 		"_rayon_max",
-		["_nb_tirages_max", 30],
+		["_nb_tirages_max", 50],
 		["_eau_autorise", false]
 	];
 	private ["_nb_tirages", "_objets_genants", "_position_degagee", "_rayon_curr", "_angle_curr", "_intersect"];
@@ -575,9 +575,10 @@ R3F_LOG_FNCT_3D_tirer_position_degagee_sol = {
 				} forEach ([_position_degagee, _rayon_degage] call R3F_LOG_FNCT_3D_get_objets_genants_rayon);
 
 				// Verifier intersec avec building / rocks
-				private _maxpos = ATLtoASL (_position_degagee vectorAdd [0,0,30]);
-				if (lineIntersects [ATLtoASL _position_degagee, _maxpos]) then { _intersect = true };
-
+				private _minpos = ATLtoASL (_position_degagee vectorAdd [0,0,0.5]);
+				private _maxpos = (_minpos vectorAdd [0,0,30]);
+				if (lineIntersects [_minpos, _maxpos]) then { _intersect = true };
+				if (count (nearestTerrainObjects [_position_degagee, ["ROCK", "TREE"], 20]) > 0) then { _intersect = true };
 				(_intersect && _nb_tirages < _nb_tirages_max)
 			}
 		},
diff --git a/core.liberation/scripts/shared/functions/F_fixPosUnit.sqf b/core.liberation/scripts/shared/functions/F_fixPosUnit.sqf
index 35283986e..6cfdfe361 100644
--- a/core.liberation/scripts/shared/functions/F_fixPosUnit.sqf
+++ b/core.liberation/scripts/shared/functions/F_fixPosUnit.sqf
@@ -9,36 +9,37 @@ if (speed vehicle _unit > 1) exitWith {};
 if (_unit getVariable ["GRLIB_in_building", false]) exitWith {};
 
 private _spawnpos = getPosATL _unit;
-private _curalt = _spawnpos select 2;
-private _minalt = 5;
-private _maxalt = 60;
-
-if (_curalt >= _maxalt) exitWith {};
 if (surfaceIsWater _spawnpos) exitWith {};
 
+private _maxalt = 30;
 private _forest_type = ["forest", "wood"];
 private _typepos = tolower (surfaceType getPosWorld _unit);
 private _forest = count (_forest_type select { (_typepos find _x) > -1 });
 _forest = _forest + count (nearestTerrainObjects [_unit, ["Tree","Small Tree"], 6]);
-if (_forest > 0) then { _minalt = 3 };
+if (_forest > 0) then { _maxalt = 3 };
 
 private _obstacle = count (nearestTerrainObjects [_unit, ["House","Building"], 10]);
-if (_obstacle > 0) then { _minalt = 2.3 };
-
-private _minpos = ATLtoASL (_spawnpos vectorAdd [0,0,_minalt]);
-private _maxpos = ATLtoASL (_spawnpos vectorAdd [0,0,_maxalt]);
-
-if (lineIntersects [ATLtoASL _spawnpos, _minpos, _unit]) then {
-	_unit allowDamage false;
-	while { (lineIntersects [ATLtoASL _spawnpos, _maxpos, _unit]) && _curalt < _maxalt } do {
-		_curalt = _curalt + 0.5;
-		_spawnpos set [2, _curalt];
-		sleep 0.1;
-	};
-	_unit setPosATL _spawnpos;
-	_unit switchMove "AmovPercMwlkSrasWrflDf";
-	_unit playMoveNow "AmovPercMwlkSrasWrflDf";
-	sleep 3;
-	_unit setHitPointDamage ["hitLegs", 0];
-	_unit allowDamage true;
+if (_obstacle > 0) then { _maxalt = 2.3 };
+
+private _obstacle_rock = count (nearestTerrainObjects [_spawnpos, ["ROCK"], 20]);
+if (_obstacle_rock > 0) then {_maxalt = 60 };
+
+private _spawnpos = ATLtoASL (_spawnpos vectorAdd [0,0,0.5]);
+private _maxpos = (_spawnpos vectorAdd [0,0,_maxalt]);
+if !(lineIntersects [_spawnpos, _maxpos, _unit]) exitWith {};
+
+private _curalt = _spawnpos select 2;
+while { (lineIntersects [_spawnpos, _maxpos, _unit]) && _curalt < _maxalt } do {
+	_curalt = _curalt + 0.5;
+	_spawnpos set [2, _curalt];
+	sleep 0.05;
 };
+
+_unit allowDamage false;
+_unit setPosASL _spawnpos;
+sleep 3;
+_unit switchMove "AmovPercMwlkSrasWrflDf";
+_unit playMoveNow "AmovPercMwlkSrasWrflDf";
+sleep 3;
+_unit setHitPointDamage ["hitLegs", 0];
+_unit allowDamage true;
diff --git a/core.liberation/scripts/shared/functions/F_forceCrew.sqf b/core.liberation/scripts/shared/functions/F_forceCrew.sqf
index c83b23ece..c9a3f308f 100644
--- a/core.liberation/scripts/shared/functions/F_forceCrew.sqf
+++ b/core.liberation/scripts/shared/functions/F_forceCrew.sqf
@@ -72,7 +72,7 @@ private _grp = createGroup [_side, true];
 	sleep 0.1;
 } forEach _vehicle_roles;
 
-(units _grp) joinSilent _grp;
+(crew _vehicle) joinSilent _grp;
 (units _grp) allowGetIn true;
 (units _grp) orderGetIn true;
 (_grp) addVehicle _vehicle;