Blue Islands Air (SI) is a passenger airline that's headquartered in Saint Peter Port, Guernsey. From its bases at Guernsey Airport (GCI) and Jersey Airport (JER) it flies between the Channel Islands and destinations in the United Kingdom and Switzerland. Blue Islands Air also has a codeshare agreement with CityJet (WX). The airline's fleet consists of five ATR 42-320, ATR 42-500 and ATR 72-500 planes. Blue Islands Air charges no fees for baggage, seat selection, ticket name changes and rebooked tickets. Its lounges at Guernsey and Jersey Airports have free drinks and WIFI service.