The Voltigeur’s initial chief contender was the three-seat SIPA 1100, fitted with a retractable tailwheel undercarriage and powered by a pair of 600 h.p. Pratt & Whitney R-1340 Wasp radial piston engines. The initial order for ten examples was cancelled after the prototype had flown. SIPA 1100. The Sipa 1100 has been designed as a general-purpose aircraft and will be used for reconnaissance, observation, photography and fire-patrol duties. The wing area is huge as is the vertical stabiliser. A well-glazed cockpit encloses a crew of three. Armament is mixed and will consist of two 20-mm. cannon, rocket pods, napalm tanks, light machine-gun pods and SS-11 guided missiles.