In the documents seen by Reuters, Games organisers are planning for the flame to arrive from Greece at the Culdrose base near Helston with a British Airways flight between 1730 and 1830 GMT.

"The Olympic flame will be flown into the Royal Naval Air Station Culdrose near Helston in Cornwall," London torch relay organisers wrote in the planning documents.

"Culdrose is first and foremost a Royal Navy search and rescue service," it said.

In the most recent Olympics of Athens in 2004 and Beijing in 2008, the flame arrived at the commercial airports of those capitals instead of military bases.

The London Games flame will be lit on May 10 in Olympia, Greece, site of the ancient Olympics before a short Greek relay and the official handover ceremony in Athens for the start of the British leg.

The 70-day torch relay will travel some 12,800 kms around Britain, taking in 1,018 villages and the 1,085-metre summit of Snowdon.

The relay will also take in landmarks around Britain with the flame travelling at times by canal boat, cable car, tram, steam train, hot air balloon and even motorcycle sidecar on the Isle of Man TT course.

More than 95 percent of the population will be within an hour of the route.

London has chosen a lower profile relay than the protest-marred international route to Beijing in 2008, which included the problematic ascent of Everest.

The flame will be carried by 8,000 torchbearers, taking in the outer reaches of Scotland, Wales and Northern Ireland as well as the Irish capital, Dublin, before reaching its final destination at the Olympic Stadium in east London for the opening ceremony on July 27.

(Reporting by Karolos Grohmann, editing by Pritha Sarkar)

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