SkyUnknown

UFO sightings by period

UFO sightings in 1999: 270 reports

SkyUnknown lists 270 UFO sightings in 1999 worldwide, drawn from official records: Ministry of Defence (UK) for 243 cases, GEIPAN (CNES) for 20, and Aeronautica Militare (Italie) for 7.

Of the 27 cases with a conclusion from their source, 22% are explained (with certainty or probably), 44% lack the data to conclude, and 9 remain unidentified. The most frequent identified causes: aircraft (1).

For the other 243 cases, the source gives no conclusion: the UK Ministry of Defence published witness reports without investigation.

Most frequently named places: Swansea (3), Brighton (3), Scunthorpe (3), Tilbury (3), and Kingsbury (2).

cases
270
unidentified
9
period
1999
sources
3
Map of the cases

Notable cases

The most complete records: account of the sighting, conclusion of the official investigation.

Year by year, 1990 to 1999

All decades

Identified causes

For cases explained with certainty or probably.

By country

The 200 most recent sightings (out of 270)

DatePlaceStatus
December 31, 1999Sommesous · MarneInsufficient data
December 31, 1999WigmoreConclusion not available
December 30, 1999ChampolucUnexplained
December 29, 1999DundeeConclusion not available
December 28, 1999SwindonConclusion not available
December 21, 1999BanchoryConclusion not available
December 20, 1999Forio Di IschiaUnexplained
December 19, 1999WhiteleyConclusion not available
December 18, 1999Forest HillConclusion not available
December 17, 1999DundeeConclusion not available
December 17, 1999SwindonConclusion not available
December 15, 1999GlasgowConclusion not available
December 15, 1999WithamConclusion not available
December 14, 1999Tours · Indre-et-LoireInsufficient data
December 13, 1999WindleshamConclusion not available
December 9, 1999Melton/WoodbridgeConclusion not available
December 9, 1999OrsettConclusion not available
December 7, 1999NewportConclusion not available
December 5, 1999St Peter PortConclusion not available
December 4, 1999NewportConclusion not available
December 3, 1999Deans, LivingstonConclusion not available
December 3, 1999ScunthorpeConclusion not available
December 2, 1999ThetfordConclusion not available
December 2, 1999WorthingConclusion not available
December 1999Talensac · Ille-et-VilaineInsufficient data
November 29, 1999Chadwell St MaryConclusion not available
November 29, 1999DagenhamConclusion not available
November 29, 1999DartfordConclusion not available
November 29, 1999DurhamConclusion not available
November 29, 1999TilburyConclusion not available
November 29, 1999TilburyConclusion not available
November 29, 1999TilburyConclusion not available
November 28, 1999PentraethConclusion not available
November 26, 1999Carcroft nr DoncasterConclusion not available
November 22, 1999SkiptonConclusion not available
November 21, 1999ArbroathConclusion not available
November 20, 1999Market DraytonConclusion not available
November 18, 1999CrickhowellConclusion not available
November 17, 1999MaidenheadConclusion not available
November 16, 1999Kirkham, PrestonConclusion not available
November 16, 1999WhitbyConclusion not available
November 11, 1999Saint-Geniès-de-Fontedit · HéraultInsufficient data
November 10, 1999LittlehamptonConclusion not available
November 8, 1999PenicuikConclusion not available
November 6, 1999HeyshamConclusion not available
November 2, 1999Blurton, Stoke-on-TrentConclusion not available
November 2, 1999UrmstonConclusion not available
October 31, 1999Grantown-on-SpeyConclusion not available
October 31, 1999LisburnConclusion not available
October 28, 1999ScarperiaUnexplained
October 27, 1999Royaume-UniConclusion not available
October 26, 1999BenllechConclusion not available
October 26, 1999Lavau · AubeInsufficient data
October 25, 1999Hipperholme, HalifaxConclusion not available
October 25, 1999WetherbyConclusion not available
October 25, 1999WoolverstoneConclusion not available
October 24, 1999EppinghamConclusion not available
October 24, 1999Kingston Upon ThamesConclusion not available
October 20, 1999LiverpoolConclusion not available
October 18, 1999BathConclusion not available
October 18, 1999IlfordConclusion not available
October 18, 1999ShottonConclusion not available
October 11, 1999ClitheroeConclusion not available
October 10, 1999FoxhamConclusion not available
October 9, 1999CalneConclusion not available
October 5, 1999LlanbedrogConclusion not available
October 4, 1999RosythConclusion not available
October 3, 1999DinningtonConclusion not available
October 2, 1999Woolston/WarringtonConclusion not available
September 29, 1999BeddinghamConclusion not available
September 28, 1999LochgreenConclusion not available
September 25, 1999TinshillConclusion not available
September 24, 1999GlengormleyConclusion not available
September 23, 1999LeominsterConclusion not available
September 23, 1999Marcilly-sur-Eure · EureInsufficient data
September 22, 1999LongdenConclusion not available
September 20, 1999MaltonConclusion not available
September 19, 1999MarlboroughConclusion not available
September 18, 1999LondonConclusion not available
September 13, 1999GuernseyConclusion not available
September 13, 1999Newbiggin By-The-SeaConclusion not available
September 13, 1999Penarth/CardiffConclusion not available
September 12, 1999Lower StonehamConclusion not available
September 12, 1999Sellindge/AshfordConclusion not available
September 11, 1999Livermead/TorquayConclusion not available
September 11, 1999StowmarketConclusion not available
September 10, 1999OldhamConclusion not available
September 7, 1999Dinan · Côtes-d'ArmorUnexplained
September 1, 1999EalingConclusion not available
August 26, 1999Sepvret · Deux-SèvresProbably explained
August 22, 1999Thornton/BradfordConclusion not available
August 21, 1999KinlossConclusion not available
August 21, 1999MiddlesexConclusion not available
August 19, 1999Chessy · RhôneInsufficient data
August 17, 1999CarlisleConclusion not available
August 13, 1999TenterdenConclusion not available
August 11, 1999La Boisse · AinInsufficient data
August 8, 1999UlvertonConclusion not available
August 6, 1999LoversallConclusion not available
August 4, 1999GlenrothesConclusion not available
August 3, 1999SloughConclusion not available
August 2, 1999BostonConclusion not available
August 1999Dole · JuraInsufficient data
August 1, 1999RochdaleConclusion not available
August 1, 1999Saint-Maur-des-Fossés · Val-de-MarneInsufficient data
July 25, 1999CoventryConclusion not available
July 25, 1999Malville · Loire-AtlantiqueProbably explained
July 25, 1999MurthlyConclusion not available
July 25, 1999PorthcawlConclusion not available
July 24, 1999RedcliffConclusion not available
July 19, 1999FaetoUnexplained
July 15, 1999DwyfachConclusion not available
July 15, 1999EastbourneConclusion not available
July 15, 1999HalstedConclusion not available
July 14, 1999BusheyConclusion not available
July 14, 1999PeterleeConclusion not available
July 13, 1999Eyres MonsellConclusion not available
July 12, 1999Blandford St MaryConclusion not available
July 12, 1999FlintConclusion not available
July 12, 1999WashingboroughConclusion not available
July 12, 1999WiltshireConclusion not available
July 11, 1999LlangynogConclusion not available
July 10, 1999ClaytonConclusion not available
July 10, 1999PorthcawlConclusion not available
July 10, 1999RillingtonConclusion not available
July 10, 1999ScunthorpeConclusion not available
July 6, 1999EastbourneConclusion not available
July 5, 1999ScunthorpeConclusion not available
July 4, 1999Holland on SeaConclusion not available
July 3, 1999HemfordConclusion not available
June 30, 1999KingsburyConclusion not available
June 30, 1999KingsburyConclusion not available
June 26, 1999BlanefieldConclusion not available
June 25, 1999DerbyshireConclusion not available
June 24, 1999HoveConclusion not available
June 15, 1999Saou · DrômeInsufficient data
June 14, 1999AlgateConclusion not available
June 12, 1999FlintConclusion not available
June 11, 1999SalisburyConclusion not available
June 9, 1999Blithbury ReservoirConclusion not available
June 8, 1999MarlboroughConclusion not available
June 8, 1999MonmouthConclusion not available
June 8, 1999Rhymney ValleyConclusion not available
June 7, 1999Saint-Hilaire-la-Palud · Deux-SèvresInsufficient data
June 5, 1999BrightonConclusion not available
May 29, 1999BonnybridgeConclusion not available
May 26, 1999LiverpoolConclusion not available
May 26, 1999SwanseaConclusion not available
May 24, 1999Craigie VillageConclusion not available
May 23, 1999OakhamConclusion not available
May 22, 1999DavyhulmeConclusion not available
May 19, 1999BexhillConclusion not available
May 18, 1999Elgin/MorayConclusion not available
May 16, 1999PooleConclusion not available
May 16, 1999WorcesterConclusion not available
May 5, 1999FranceExplained
May 4, 1999ModburyConclusion not available
May 1, 1999GreenockConclusion not available
April 29, 1999BrockleyConclusion not available
April 29, 1999Mid-GlamorganConclusion not available
April 22, 1999DagenhamConclusion not available
April 15, 1999TootingConclusion not available
April 14, 1999LewesConclusion not available
April 13, 1999East BelfastConclusion not available
April 10, 1999Wem nr ShrewsburyConclusion not available
April 10, 1999WithernseaConclusion not available
April 6, 1999M2, FavershamConclusion not available
April 1, 1999LlandoveryConclusion not available
March 30, 1999ArdrossConclusion not available
March 29, 1999ArdrossConclusion not available
March 29, 1999NewburghConclusion not available
March 29, 1999TranentConclusion not available
March 27, 1999KilmarnockConclusion not available
March 26, 1999AlfordConclusion not available
March 26, 1999CarshaltonConclusion not available
March 25, 1999StrathmigloConclusion not available
March 24, 1999FalkirkConclusion not available
March 20, 1999Frankwell/ShrewsburyConclusion not available
March 18, 1999BebbingtonConclusion not available
March 17, 1999Shavington/CreweConclusion not available
March 16, 1999Millau · AveyronUnexplained
March 14, 1999PenheridgeConclusion not available
March 13, 1999Cardiff and PontypriddConclusion not available
March 11, 1999Newcastle EmlynConclusion not available
March 10, 1999BangorConclusion not available
March 10, 1999Broughton/ScunthorpeConclusion not available
March 10, 1999Chelsea - Football ClubConclusion not available
March 9, 1999AmmanfordConclusion not available
March 9, 1999Newton AbbotConclusion not available
March 8, 1999Seaforde VillageConclusion not available
March 7, 1999BallykinlerConclusion not available
March 6, 1999WorthingConclusion not available
March 5, 1999FalkirkConclusion not available
March 5, 1999M60, ManchesterConclusion not available
March 4, 1999LichfieldConclusion not available
February 28, 1999A68, CorbridgeConclusion not available
February 25, 1999Barnard CastleConclusion not available
February 24, 1999ChingfordConclusion not available
February 23, 1999BurnleyConclusion not available
February 23, 1999Castelferro E Aviano (Pn)Unexplained
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The figures on this page are computed from the official records cited on each case. See sources and method