Some Air Canada passengers will be able to surf the Web at 30,000 feet as part of a trial program launched Friday. On select flights between Montreal or Toronto and Los Angeles, Air Canada will offer a new in-flight Wi-Fi service for $9.95 for PC users and $7.95 for smartphone users. However, access to the system will only be available while flying over the continental United States. Air Canada is planning a wider rollout once it receives the necessary regulatory approvals from Ottawa and a network of air-to-ground cell sites is built across the country.