The FuG 200 Hohentwiel was a low-UHF band frequency maritime patrol radar system of the Luftwaffe in World War II.

It was developed by C. Lorenz AG of Berlin starting in 1938 under the code name "Hohentwiel", an extinct volcano in the region of Baden-Württemberg in southern Germany.

The device had originally been entered into a design contest held by the Luftwaffe for the new FuMG 40L (ground-based fire-control radar).

[citation needed] In 1941, Lorenz started to re-design it for another design contest by the Reichsluftfahrtministerium for an airborne naval search radar.

To determine which side a target lay on, the radio operator had to manually switch the receiving arrays to find the stronger signal.

The received signal strength was displayed on a cathode ray tube so the observer or pilot could roughly gauge the target's heading as 'left', 'right' or 'head on'.

In order to avoid capture after a crash, it was fitted with several small self-destruct explosive charges in each of the system's electronics cabinets, which could be triggered by the pilot.