PAL Airlines (formerly Provincial Airlines) is a Canadian regional airline with headquarters at St. John's International Airport in St John's, Newfoundland and Labrador, Canada. PAL operates scheduled passenger, cargo, air ambulance and charter services. PAL is the commercial airline arm of the PAL Group of Companies. In addition to its head office, it also has bases in Halifax, Nova Scotia (Halifax Stanfield International Airport), Happy Valley-Goose Bay (CFB Goose Bay), and Montreal. PAL is the second largest regional airline operator in Eastern Canada next to Jazz Aviation.