Flannan Isles Lighthouse

Flannan Isles Lighthouse is a lighthouse near the highest point on Eilean Mòr, one of the Flannan Isles in the Outer Hebrides off the west coast of mainland Scotland. It is best known for the mysterious disappearance of its keepers in 1900.[3]

Flannan Isles Lighthouse
The Chapel of St. Flannan can be seen on the slope to the right of the lighthouse on Eilean Mòr.
Outer Hebrides
LocationEilean Mòr
32 kilometres (20 mi) west of Lewis
Western Isles
Coordinates58°17′17″N 7°35′16″W
Year first constructed1899
Constructionmasonry tower
Tower shapecylindrical tower with balcony and lantern attached to 1-storey keeper's house
Markings / patternwhite tower, black lantern, ochre trim
Tower height23 metres (75 ft)
Focal height101 metres (331 ft)
Current lens3rd order clamshell Fresnel lens
Light sourcesolar power
Range20 nautical miles (37 km; 23 mi)
CharacteristicFl (2) W 30s.
Admiralty numberA4028
NGA number3912
ARLHS numberSCO-084
Managing agentNorthern Lighthouse Board[1] [2]
Heritagecategory B listed building 


The 23-metre (75 ft) lighthouse was designed by David Alan Stevenson for the Northern Lighthouse Board (NLB). Construction, between 1895 and 1899, was undertaken by George Lawson of Rutherglen at a cost of GB£6,914 (equivalent to £764,480 in 2018) inclusive of the building of the landing places, stairs, railway tracks etc. All of the materials used had to be hauled up the 45-metre (148 ft) cliffs directly from supply boats, no trivial task in the ever-churning Atlantic. A further £3,526 was spent on the shore station at Breasclete on the Isle of Lewis.[4] It was first lit on 7 December 1899.

The purpose of the railway tracks was to facilitate the transport of provisions for the keepers and fuel for the light (paraffin, at that date; the light consumed twenty barrels a year) up the steep gradients from the landing places by means of a cable-hauled railway. This was powered by a small steam engine in a shed adjoining the lighthouse. A track descended from the lighthouse in a westerly direction and then curved round to the south. In the approximate centre of the island it forked by means of a set of hand-operated points humorously dubbed "Clapham Junction"; one branch continued in its curvature to head eastwards to the east landing place, on the south-east corner of the island, thus forming a half-circle, while the other, slightly shorter, branch curved back to the west to serve the west landing, situated in a small inlet on the island's south coast. The final approaches to the landing stages were extremely steep. The cable was guided round the curves by pulleys set between the rails, and a line of posts set outside the inner rail prevented it from going too far astray should it jump off the pulleys. The cargo was carried in a small four-wheeled bogie.[5]

In 1925, the lighthouse was one of the first Scottish lights to receive communications from the shore by wireless telegraphy.[6] In the 1960s, the island's transport system was modernised. The railway was removed, leaving behind the concrete bed on which it had been laid to serve as a roadway for a "Gnat" – a three-wheeled, rubber-tyred cross-country vehicle powered by a 400-cubic-centimetre (24 cu in) four-stroke engine, built by Aimers McLean of Galashiels. This had a somewhat shorter working life than the railway, becoming redundant in its turn when the helipad was constructed.[7]

On 28 September 1971, the lighthouse was automated. A reinforced concrete helipad was constructed at the same time to enable maintenance visits in heavy weather. The light is produced by burning acetylene gas and has a range of 17 nautical miles; 20 miles (32 km). It is now monitored from the Butt of Lewis[8] and the shore station has been converted into flats.[9]

Disappearances in 1900


The first record[10] that something was abnormal on the Flannan Isles was on 15 December 1900 when the steamer Archtor, on a passage from Philadelphia to Leith, noted in its log that the light was not operational in poor weather conditions. When the ship docked in Leith on 18 December 1900, the sighting was passed onto the Northern Lighthouse Board.[11] The relief vessel, the lighthouse tender Hesperus, was unable to sail from Breasclete, Lewis, as planned on 20 December due to adverse weather; it did not reach the island until noon on 26 December.[8] The lighthouse was manned by three men: James Ducat, Thomas Marshall, and Donald McArthur, with a rotating fourth man spending time on shore.

On arrival, the crew and relief keeper found that the flagstaff had no flag, all of the usual provision boxes had been left on the landing stage for re-stocking, and more ominously, none of the lighthouse keepers were there to welcome them ashore. Jim Harvie, the captain of Hesperus, attempted to reach them by blowing the ship's whistle and firing a flare, but was unsuccessful.

A boat was launched and Joseph Moore, the relief keeper, was put ashore alone. He found the entrance gate to the compound and the main door both closed, the beds unmade, and the clock stopped. Returning to the landing stage with this grim news, he then went back up to the lighthouse with Hesperus' second-mate and a seaman. A further search revealed that the lamps had been cleaned and refilled. A set of oilskins was found, suggesting that one of the keepers had left the lighthouse without them, which was surprising considering the severity of the weather on the date of the last entry in the lighthouse log. The only sign of anything amiss in the lighthouse was an overturned chair by the kitchen table. There was no sign of any of the keepers, neither inside the lighthouse nor anywhere on the island.[8][12]

Moore and three volunteer seamen were left on the island to attend the light and Hesperus returned to Lewis. Captain Harvie sent a telegram to the Northern Lighthouse Board dated 26 December 1900, stating:

A dreadful accident has happened at the Flannans. The three keepers, Ducat, Marshall and the Occasional have disappeared from the Island... The clocks were stopped and other signs indicated that the accident must have happened about a week ago. Poor fellows they must have been blown over the cliffs or drowned trying to secure a crane.[8][12]

On Eilean Mòr, the men scoured every corner of the island for clues as to the fate of the keepers. They found that everything was intact at the east landing but the west landing provided considerable evidence of damage caused by recent storms. A box at 33 metres (108 ft) above sea level had been broken and its contents strewn about; iron railings were bent over, the iron railway by the path was wrenched out of its concrete, and a rock weighing more than a ton had been displaced. On top of the cliff at more than 60 metres (200 ft) above sea level, turf had been ripped away as far as 10 metres (33 ft) from the cliff edge. The missing keepers had kept their log until 9 a.m. on 15 December. The entries made it clear that the damage had occurred before their disappearance.[8][13]

Speculation and conjecture

No bodies were ever found, resulting in "fascinated national speculation" in newspapers and periodicals of the period.[14] Implausible stories ensued, such as a sea serpent (or giant seabird) had carried the men away; they had arranged for a ship to take them away and start new lives, they had been abducted by foreign spies; or they had met their fate through the malevolent presence of a boat filled with ghosts (the baleful influence of the "Phantom of the Seven Hunters" was widely suspected locally).[8] More than ten years later, the events were still being commemorated and elaborated on. The 1912 ballad Flannan Isle by Wilfrid Wilson Gibson refers erroneously to an overturned chair and uneaten meal laid out on the table, indicating that the keepers had been suddenly disturbed.[15]

Yet, as we crowded through the door,
We only saw a table spread
For dinner, meat, and cheese and bread;
But, all untouch'd; and no-one there,
As though, when they sat down to eat,
Ere they could even taste,
Alarm had come, and they in haste
Had risen and left the bread and meat,
For at the table head a chair
Lay tumbled on the floor.[16]

However, in a first-hand account made by Moore, the relief keeper, he stated that: "The kitchen utensils were all very clean, which is a sign that it must be after dinner some time they left."[8]

Northern Lighthouse Board investigation

On 29 December 1900, Robert Muirhead, a Northern Lighthouse Board (NLB) superintendent, arrived to conduct the official investigation into the incident. Muirhead had originally recruited all three of the missing men and knew them personally.[17][18]

Muirhead's examination of the lighthouse log book revealed some highly unusual entries. On 12 December Thomas Marshall wrote of "severe winds the likes of which I have never seen before in twenty years". He also reported that James Ducat had been ‘very quiet’ and Donald McArthur had been crying. McArthur was a veteran mariner with a reputation for brawling, and thus it would be strange for him to be crying in response to a storm. Log entries on 13 December stated that the storm was still raging, and that all three men had been praying. This was also puzzling, as all three men were experienced lighthouse keepers who knew they were in a secure structure 150 feet above sea level and should have known they were safe inside. Furthermore, there had been no reported storms in the area on 12, 13 and 14 December, meaning that either the entries documenting the storm were made up or the storm was highly localised.[19] The final log entry was made on 15 December, stating ‘Storm ended, sea calm. God is over all’.[17]

He examined the clothing left behind in the lighthouse and concluded that James Ducat and Thomas Marshall had gone down to the western landing stage, and that Donald McArthur (the 'Occasional') had left the lighthouse during heavy rain in his shirt sleeves. He noted that whoever left the light last and unattended was in breach of NLB rules.[8] He also noted that some of the damage to the west landing was "difficult to believe unless actually seen".[15]

From evidence which I was able to procure I was satisfied that the men had been on duty up till dinner time on Saturday the 15th of December, that they had gone down to secure a box in which the mooring ropes, landing ropes etc. were kept, and which was secured in a crevice in the rock about 110 ft (34 m) above sea level, and that an extra large sea had rushed up the face of the rock, had gone above them, and coming down with immense force, had swept them completely away.[20]

Whether this explanation brought any comfort to the families of the lost keepers is unknown. The deaths of Thomas Marshall, James Ducat (who left a widow and four children), and Donald MacArthur (who left a widow and two children) cast a shadow over the lighthouse service for many years.[15]

Later theories and interpretations

Subsequent researchers have taken into account the geography of the islands.[8] The coastline of Eilean Mòr is deeply indented with narrow gullies called geos. The west landing, which is situated in such a geo, terminates in a cave. In high seas or storms, water would rush into the cave and then explode out again with considerable force. It was possible MacArthur may have seen a series of large waves approaching the island, and knowing the likely danger to his colleagues, ran down to warn them only to be washed away as well in the violent swell.[21] Recent research by James Love discovered that Marshall was previously fined five shillings when his equipment was washed away during a huge gale. It is likely, in seeking to avoid another fine, that he and Ducat tried to secure their equipment during a storm and were swept away as a result. The fate of MacArthur, although required to stay behind to man the lighthouse, can be guessed to be the same. Love speculates that MacArthur probably tried to warn or help his colleagues and was swept away too.[22] This theory also has the advantages of explaining the set of oilskins remaining indoors and MacArthur's coat remaining on its peg,[8][23] although perhaps not the closed door and gate.[24] Another theory is based on the first-hand experiences of Walter Aldebert, a keeper on the Flannans from 1953 to 1957. He believed one man may have been washed into the sea but then his companions, who were trying to rescue him, were washed away by more freak waves.[24]

A further proposal is based on the psychology of the keepers. Allegedly MacArthur was a volatile character; this may have led to a fight breaking out near the cliff edge by the West Landing that caused all three men to fall to their deaths.[25] Another theory is that one of the men went insane (perhaps MacArthur, as evidenced by him leaving the lighthouse without his rain gear and his strange behavior documented in the log book), murdered the other two, threw their bodies into the sea, and then jumped in to his own death.[19]

Among modern theories are those connected to paranormal activity, such as abduction by aliens.[14] Fictional use of this premise was featured in the Doctor Who serial Horror of Fang Rock.[26] The mystery also was the inspiration for the composer Peter Maxwell Davies's modern chamber opera The Lighthouse (1979).[27] The British rock group Genesis wrote and recorded "The Mystery of Flannan Isle Lighthouse" in 1968 while working on their first album, but it was not released until 1998 in Genesis Archive 1967–75.[28] The 2018 film The Vanishing is also based on the same story.[29]

See also


  1. Flannan Islands (Eilean Mor) The Lighthouse Directory. University of North Carolina at Chapel Hill. Retrieved 18 May 2016
  2. Flannan Islands Northern Lighthouse Board. Retrieved 18 May 2016
  3. "Il mistero del faro delle Isole Flannan - Eilan More". Bottega Mistero (in Italian). 20 March 2015. Retrieved 1 July 2019.
  4. "Flannan Isles Lighthouse " Archived 26 December 2014 at the Wayback Machine Northern Lighthouse Board. Retrieved 23 March 2008.
  5. Atkinson, Robert (1949). Island Going. Collins.
  6. Munro 1979, p. 223.
  7. "A Gnat on the Flannans". 29 June 2011. Retrieved 24 June 2013.
  8. Christopher Nicholson (1995). Rock Lighthouses of Britain: The End of an Era?. pp. 168–79.
  9. Perrot, D. et al. (1995) p. 132.
  10. "Il mistero del faro delle Isole Flannan - Eilan More". Bottega Mistero (in Italian). 20 March 2015. Retrieved 1 July 2019.
  11. "Archtor: Caiplie, Firth Of Forth". www.canmore.org.uk. Retrieved 26 December 2017.
  12. "Transcripts from documents related to the Flannan Isles mystery." Museum of Scottish Lighthouses/Wayback. Original retrieved 3 September 2008, Wayback version retrieved 7 December 2013.
  13. Munro 1979, pp. 170–71.
  14. Bathhurst (2000) p. 249.
  15. Munro (1979) p. 171.
  16. Quotation from Nicholson (1995) p. 178.
  17. "The mysterious disappearance of the Eilean Mor lighthouse keepers". Historic UK.
  18. "Northern Lighthouse Board - Report by Superintendent". www.nlb.org.uk.
  19. "When Three isn't a Crowd: The Mystery of Eilean Mor". 10 June 2016.
  20. Munro (1979) pages 170–71, although Nicholson (1995), Bathhurst (2000) and Haswell-Smith (2004) quote the same report using somewhat different language: "After a careful examination of the place.... I am of the opinion that the most likely explanation of the disappearance of the men is that they had all gone down on the afternoon of Saturday, 15 December to the proximity of the west landing to secure the box with the mooring ropes etc. and that an unexpectedly large roller had come up on the island, and that a large body of water going up higher than where they were and coming down upon them, swept them away with resistless force.”
  21. Haswell-Smith (2004) suggests these events are "very rare".
  22. A., Love, John. A natural history of lighthouses. Caithness, Scotland. ISBN 9781849952996. OCLC 961117755.
  23. "Curse of Flannan Lighthouse and Aleshenka: Russian Mummy". The Unexplained Files. Season 2. Episode 4. 19 August 2014. The Science Channel.
  24. Haswell-Smith, Hamish (2004). The Scottish Islands. Edinburgh: Canongate. pp. 329–31. ISBN 978-1-84195-454-7.
  25. McCloskey, Keith (2014). The Lighthouse: The Mystery of the Eilean Mor Lighthouse Keepers. History Press. ISBN 978-0750953658.
  26. "The Mystery of Flannan Isle". www.bbc.co.uk. Retrieved 23 March 2008.
  27. "Opera: The Lighthouse by Davies". The New York Times. Retrieved 8 October 2008..
  28. "The Mystery Of The Flannan Isle Lighthouse (Demo 1968)". www.Yahoo.com. Retrieved 8 July 2008.
  29. "Gerard Butler Stars in New Trailer for 'The Vanishing' Based on Real-Life Flannan Isles Lighthouse Mystery - Horror News Network - The Horror News You Need!". 21 November 2018.


  • Munro, R.W. (1979). Thule Press (ed.). Scottish Lighthouses. Stornoway.
  • Keith McCloskey (2014) The Lighthouse: The Mystery of the Eilean Mor Lighthouse Keepers History Press
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