This was the seat that according to Aeroflot's flight records fugitive US intelligence leaker Edward Snowden was scheduled to occupy, supposedly on his way to claiming asylum in South America.
But like a twist from a Hollywood spy thriller, the main protagonist never showed up and the supporting cast -- dozens of journalists including AFP correspondents packed onto the aircraft -- were left chasing shadows.
In the end, the journalists had travelled to the other side of the world to find themselves none the wiser as to where on earth Edward Snowden was.
"I have a feeling that we are all participating in some grandiose spy conspiracy," said Olga Denisova, a journalist with Voice of Russia radio. "The fact that we have not seen him for two days means he is receiving some good support."
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After arriving from Hong Kong on Sunday, Snowden and his legal assistant Sarah Harrison were checked in on Aeroflot SU 150 from Moscow to Havana for yesterday, Aeroflot records seen by AFP showed.
When the heavy doors of the Airbus 330 shut tight, several dozen journalists, who had bought the USD 2,000 round-trip tickets during a mad scramble to get onto Snowden's plane, realised they would be making the 12-hour journey to Cuba without him.
Passengers on the flight to Cuba boarded the plane amid extra security but most regular travellers seemed unaware of the espionage drama unfolding in front of them.
Snowden had been widely expected to be the last passenger to get on the plane. Several reporters watched the main entrance like hawks ignoring the pleas of the crew to take their seats and not to crowd the entryway.
Refusing to give up hope, some journalists speculated that Snowden might have boarded the aircraft through a different entrance directly from the tarmac, while others suggested he was hiding in the cockpit.
Takeoff was some 30 minutes behind schedule. Up in the air came the realisation that Snowden might have never intented to board that plane.