You maybe want to give this method below a shot. Make the arrow a vehicle type airplane: llSetVehicleType(VEHICLE_TYPE_AIRPLANE); Adjust the reference frame if needed, to make the Z axis pointing in the direction of velocity. llSetVehicleRotationParam(VEHICLE_REFERENCE_FRAME, llEuler2Rot(<0.0,270.0,0.0> * DEG_TO_RAD)); Disable the linear and angular friction: llSetVehicleVectorParam(VEHICLE_LINEAR_FRICTION_TIMESCALE, <10000.0, 10000.0, 10000.0>);llSetVehicleVectorParam(VEHICLE_AN
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