The "Pernambuco"
A Sikorsky S-38 in NYRBA do Brasil's fleet, shown being refueled from a Standard Oil Company truck, somewhere in Brazil, likely in early 1930.
Before long, this same aircraft would be flying with Pan American's logo, after NYRBA was absorbed by Pan Am later that year.
Photo in Pan Am Captain Humphrey Toomey's collection, from the Toomey Family Archive.