Alderney late 300s, at above the island's only natural harbour. The etymology of the island's name is obscure. It is known in Latin as "Riduna" but as with the names of all the Channel Islands in the Roman period there is a degree of confusion. "Riduna" may be the original name of Tatihou, while Alderney is conjectured to be identified with "Sarnia". "Alderney"/"Aurigny" is variously supposed to be a Germanic or Celtic name. It may be a corruption of "Adreni" or "Alrene", which is probably derived from an Old Norse word meaning "island near the coast". Alternatively it may derive from
Aurigny survey by market researchers islandopinion.com showed that Aurigny was the most popular airline which served Guernsey. On 21 June 2007, Aurigny got permission from its sole shareholder, the States of Guernsey, to raise a private loan to purchase two new ATR 72-500 aircraft which entered service in March 2009. Aurigny celebrated 40 years in operation in 2008. It was voted 4th-best short-haul airline in a poll published in the consumer magazine "Which?". In a survey of 30,000 members the magazine examined 71 airlines and asked readers to rate each carrier for standards of check-in, cabin staff, cleanliness, food and entertainment.