[deleted] If you mean the Sikorsky Sk61's they should be... EI-CXS SIKORSKY S-61N EI-CZN SIKORSKY S-61N EI-GCE SIKORSKY S-61N EI-MES SIKORSKY S-61N EI-RCG SIKORSKY S-61N EI-SAR SIKORSKY S-61N Mike