TRD - Trinidad & Tobago :
BWIA Piarco TRD-71 C&W Port of Spain TRD-31 NDB Port of Spain *TRI TRD-21 NDB Tobago *TAB TRD-24 North Post Radio (9YL) TRD-73 Piarco Aero TRD-74 T&TETC Port of Spain TRD-20