The Isle of Lewis Mid-Air Explosion

The Isle of Lewis sits at the top of the Outer Hebrides, looking out over the open Atlantic. Its northern tip is the Ness district. Not far offshore lies the main North Atlantic air route. When something burns in that sky, people assume the worst.

Saturday 26 October 1996. Late afternoon. Most accounts give the time as 16:10. One puts it at 5pm.

From Port of Ness, witnesses saw a bright light, then a trail of fire and smoke across the sky. Two large pieces of debris came spiralling down towards the ocean, each leaving a trail of smoke. Where they reached the sea, there were explosions on the surface of the water. One witness said they saw a large aircraft and a smaller one; another heard loud bangs and saw debris falling. A vapour trail had also been seen high in the sky, 15-20 miles out to the west of Lewis.

Many 999 calls reported a mid-air explosion, and police and ambulance crews went to the area. A Nimrod from RAF Kinloss went out with two rescue helicopters, a coastguard vessel and the Simon Keghian, a fishing vessel from France. More than 1,000 square miles were searched, but nothing was found. Air traffic controllers said all civil and military aircraft were accounted for; space debris was ruled out because nothing had shown on radar. The next day an RAF spokesperson said: "We have conducted extensive searches, without result. We remain puzzled as to the cause of this incident."

Calum MacDonald, Labour MP for the Western Isles, asked whether UK or foreign forces had been exercising near the islands that evening. On 4 November 1996, Nicholas Soames, Minister for the Armed Forces, replied: "My Department is not aware of any such activity off the Western Isles on the evening in question." One enthusiast account says Michael Portillo gave the denial and puts the search at £200,000. Two days after the incident, a NATO exercise of 32 ships, 7 submarines and 80 aircraft began off Lewis.

Questions remained. A source in the Scottish National Party claimed fishermen had seen a navy frigate retrieving a wreck from the ocean floor. In April 1997 an unidentified substance washed up on the beach at Tangusdale, on Barra. Regional experts said currents and winds could have carried it from the Lewis area, possibly the residue of an unknown fuel.

Then, in December 1998, a French trawler hauled up a helicopter rotorhead, four blades and part of a gearbox from the same waters. The wreckage went to Stornoway. A serial number pointed to Westland. The RAF said no helicopter had been reported missing there "for decades". A spokesman added: "We eliminated all aircraft from UK forces at the time. We even investigated the possibility of secret testing but we drew a blank."

Theories multiplied. A secret experimental aircraft. A missile gone wrong that brought down a helicopter. A UFO.

A cover-up, with claims that the search was "not so much to discover any wreckage but to ensure nothing was ever found". Sceptics have suggested a bolide meteor or space debris, though the radar checks were said to have ruled out debris. No source shows that the helicopter came down in 1996. No formal report was ever published. The light over Ness remains unexplained.