Stealth ships are a special breed of ships. They are really a High Risk, High Reward due to the ships having such low HP and high damage. These ships are invisible on the map. The distance you see Stealth Ship's GUI will vary for each stealth ship class. Stealth Ships typically require Stealth Plating which can be found in Level 4 and 5 Starbase wrecks. Their physical appearance at first will seem transparent, but this isn't actually true. Their hulls reflect all light, so it acts like a mirror that camouflages the ship into a barely visible silhouette in open space.