In 1954, AISA purchased the Spanish manufacturer Iberavia and took over the I-11 light plane project, eventually building around 400 examples as the AISA I-11B, with smaller canopy and tailwheel undercarriage. Used by civil aviation clubs and the Spanish Air Force.

 

AISA I-11B Vespa

 

Some aircraft were powered by a 93 hp RNMA Flecha engine. Some 450 were built.

 

AISA I-11B

Engine: Continental C90-12F, 90 hp              

Wingspan: 30 ft 7 in / 9.34 m

Length: 21 ft 3 in / 6.48 m

Height: 6.234 ft / 1.9 m                                     

Empty weight: 926 lb / 421 kg

Normal TO weight: 1417 lb / 644 kg

Max TO weight semi-aerobatic: 1474 lb / 670 kg

Max. speed: 108 kt / 200 km/h

Cruise speed: 96 kt / 110 mph / 117 kph

Max ROC SL norm MTOW: 726 fpm / 200 m/min

Service ceiling: 15415 ft / 4700 m                                  

Range: 349 nm / 403 mi / 650 km

Crew: 2