The Larsen Special II, is an early homebuilt aircraft that was designed and built in Norway. It was the first homebuilt aircraft to be issued a certificate of airworthiness in Norway.
Carl Ludvig Larsen was a decorated World War II pilot who produced his own aircraft design.
The Larsen Special II started as a single-seat low-wing, retractable tricycle gear aircraft. It is built of all-aluminium construction. It features tip tanks and a swept tail. The wing uses a center-section split-flap.
The prototype was built in 1952, and test flown with engines ranging from It was registered as LN-11. On 9 July 1955 the aircraft crashed at Fornebu and was rebuilt as the Larsen Special II, registered as LN LMI a two-seat aircraft powered by a Continental O-200 engine. It crashed again in 1975 and 1982. The prototype is owned by the Norwegian Aviation Museum in Bodø, and is awaiting restoration.