This is a Sud-Aviation SE-116 Voligeur, a contemporary and competitior of the SIPA S.1100.
USN
U.S. Navy Naval Aviation News October 1959 <a rel="nofollow" class="external autonumber" href="http://www.history.navy.mil/nan/backissues/1950s/1959/Oct59.pdf">[1]</a>, p. 24.