Newsgroup Lurker wrote:

Is this aircraft calling positions?

Yes, that frequency (6586) is used by Barranquilla, Boyeros, Cayenne,
Georgetown, Maiquetia, New York, Panama, Paramaribo, Piarco, San Andres
for the Caribbean area.

Steve
Holland, MI
Drake R7, R8 and R8B

http://www.iserv.net/~n8kdv/dxpage.htm