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This is Volume 2 of the Ministry of Defence report 'Unidentified Aerial Phenomena in the UK Air Defence Region', Defence Intelligence Staff Scientific and Technical Memorandum 55/2/00, dated February 2000 and received 7 December 2000. It gathers 25 working papers on natural and man-made phenomena, meant as a reference for analysing UAP reports. The papers cover ball lightning, radar detection, balloons, satellites, mirages, plasma and similar subjects. One paper compares magnetic field experiments on human volunteers with close encounter reports. It concludes that effects from such fields are 'uncannily similar' to what witnesses describe.
“Sea”13 pages
# UNCLASSIFIED UK RESTRICTED (1) Lights seem to be attracted (frequency of occurrence is apparently higher) near to: Mountain peaks, quarries, rock ridges, caves and mines. (20 years of sightings in the 1920's era in Chipping Norton area of Oxfordshire and in Ironstone quarries of Banbury e.g. 1923). Power lines, transmitter towers. Water. - Areas of mineral deposits. (m) In daylight they appear as 'metallised' discs, hazy glows or haloes or 'cloudy cigar shapes', but colours have been reported, mainly as amber-yellow and white; with rapid colour changes. When red is reported the core is often described as red. A well reported example appeared on the Fakenham-Norwich road in 1908, lasted 20 minutes, had a red core and was 50- 60ft high. (n) Low-level seismic activity is apparently necessary. (o) The phenomenon appears to be 'weightless'. (p) Some can be seen on radar others not. (see Working Paper 5 & Volume 3) ## SUMMARY 14. Some comments can be made about the long list of earthlight attributes above. (a) Electroluminescence is understood to be the release of luminous energy from rock when electrons move from higher to lower energy levels due to friction. (b) Fault lines and 'ley lines' often coincide, as do the ancient buildings (stone circles, religious sites (often Christian churches, built over former Satanic worship sites, etc.). ## EARTHLIGHT REACTION 15. It is noted (at para 8-Hessdalen) that the earthlights reacted when remotely irradiated with a laser. (No further information is available, as the Hessdalen report is still in the process of being published. It is of interest, however, that a Ship's Captain (in the Baltic Sea) claimed (in 1951) that earthlights were triggered 'on' by his ship's radar. The lights "took the form of phosphorescent arcs which gyrated clockwise and anti-clockwise". Working paper No. 24 on 'SPRITES' considers this phenomenon further. ## HISTORICAL 16. It is of interest that the phenomena of earthlights has been observed for, perhaps, thousands of years. In medieval and Victorian times these were variously described as 'Spook Lights', 'Luminous Vapours', 'Fairy Lights' (Ireland), 'Fireball Spirits', 'Kitty Candlestick', 'Ignius Fatuus', 'Jack-o-Lantern', 'Boggarts', 'Dragons', 'Will-o-the-Wisp', 'Corpse Candles' and 'Orbs' (Windsor Castle early 1990s). It seems likely that what is seen becomes matched to the understanding of the day. What was once a simple type of
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