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A "C" followed by a number refers to the Colorado University study case numbers
Updated 07/26/14
| FULLY EVALUATED PHYSICAL-EFFECT UFO SIGHTINGS: | |||||
|---|---|---|---|---|---|
| Date/time | Location | Witnesses | ID Description - (KEY) | Source | ID-er |
| NN/NN/NN TTTT | Sweetwater TX | ? | $F$ Roll on deodorant ball | =T@ | =LR |
| 04/17/1897 TTTT | Aurora TX | (many) | $F$ Crashed "airship" ?H?; Tourist attractor | =N= | =N= |
| 04/19/1897 TTTT | Leroy KS | Alexander Hamilton | $F$ Cow hide; $H$ Liars club | =N= | =N= |
| 04/07/38 TTTT | Atlantic Ocean SS Ulrich | (many) | $F$ Burned body; ?H? $D$ No such ship existed | VGSF | |
| 04/07/38 TTTT | Upton-by-Chester England | (police) | $F$ Burned body; ?H? wreck, date wrong | VGSF | |
| 04/07/38 TTTT | Nijmegan Netherlands | (police) | $F$ Burned body; ?H? $D$ !! No Volkswagens were there then | VGSF | =LR |
| Date/time | Location | Witnesses | ID Description - (KEY) | Source | ID-er |
| 06/21/47 dyTT | Maury Is. Tacoma WA | Harold Dahl, Charles Dahl, Fred Crisman |
$H$, $F$ foundry slag, unrelated plane crash | =ER | =ER |
| 06/28/47 TTTT | Sumner WA | (mil) | False date of 04/01/59 case, erron. link to 06/21/47 Maury Is | =LR | |
| 08/02/47 TTTT | Santiago Chile | (air) | Plane crashed $D$ Crash site found (Stendec) ?H? UFO involvement added by others |
=N= | =N= |
| 01/07/48 1515 | Godman AFB KY | (many, air: Thomas Mantell) | Crash caused by lack of oxygen Skyhook balloon | =A= | =ER |
| 03/25/48 TTTT | Aztec NM | Gee Scully |
?H? !! Real people identified wrong, no local memory ?P? !! Author tricked into promoting movie |
$R$ | =ER =PB |
| NN/NN/48 TTTT | Kingman AZ | van Valkenberg | ?H? No local memory (accounts have different dates) | =PB | |
| Date/time | Location | Witnesses | ID Description - (KEY) | Source | ID-er |
| 04/08/50 UUUU | Horseheads NY | Royal Douglass | $F$ Scorched area, disk $P$ Silkspan saucer
Possibly not prank, but model that got away? | =N= | =LR |
| 07/NN/52 TTTT | Washington DC | mil | $F$ Chunk shot off UFO ?H? $D$ No record: Lt Cdr Frank Thompson |
=DK | |
| 07/08/52 TTTT | Spitzbergen Is Norway | ? | $F$ Crashed disc ?H? Story started in German Tabloid | =PB | |
| 08/19/52 ntTT | West Palm Beach FL | Desverges+$Y$ | ?H? Fireworks; $F$ Earlier swamp fire charred roots ?H? !! Witness added to story |
=ER | =ER =LR =ER |
| Date/time | Location | Witnesses | ID Description - (KEY) | Source | ID-er |
| .S/NN/53 TTTT | Mattydale NY | Marsden, police | Alternate published date of .S/NN/54 | ||
| NN/NN/53 TTTT | Kingman AZ | van Valkenberg | ?H? No local memory (accounts have different dates) | =PB | =PB |
| 07/07/53 2330 | Austell GA Decatur GA | (many) | $H$ A bet; alien body was shaved monkey with tail cut off | =S@ | =** |
| 08/NN/53 TTTT | New Haven CT | ? | $F$ Hole in billboard; Wayward shell from base Military gave civilian UFO investigator wild story |
=R@ | =PB |
| .S/NN/54 TTTT | Mattydale NY | Marsden, police | $F$ Wing tank fell off plane | ||
| 04/UU/54 TTTT | RAF Mildenhall England | ? | $F$ RADAR calibration sphere | =LR | |
| Date/time | Location | Witnesses | ID Description - (KEY) | Source | ID-er |
| 02/05/57 UUUU C3 | Manhattan Beach CA | ? | $F$ Revere RADAR chaff | =C= | =C= |
| 11/02/57 ntTT | Levelland TX | (many, police) | Highly charged, dusty atmosphere shorted spark plugs St. Elmo's Fire |
=LR | |
| NN/NN/59 TTTT | Spitzbergen Is. Norway | ? | Discoverer 2 satellite crashed | =LR | |
| Date/time | Location | Witnesses | ID Description - (KEY) | Source | ID-er |
| 04/18/60 2100 | La Camp LA | Arnold | Amateur rocket bounced on ground $D$ Paint scrapings found | =S67 | =LR |
| 07/01/60 UUUU | Quebec City QC | ? | $F$ 1.5 Ton of metal, foundry slag | ||
| 04/18/61 1100 | Eagle River WI | Joe Simonton | $P$ Post Hypnotic Suggestion (Pancakes) Party hypnosis | ||
| NN/NN/62 TTTT | s of Alamogordo NM Doña Ana Wells NM | ? | $F$ Crashed object; Missile from White Sands | =LR | |
| 09/05/62 0450 | Manitowoc WI | (1000s) | $F$ Sputnik IV re-entry pieces | =N= | =S= |
| 04/24/64 1745 | Socorro NM | police: Lonnie Zamora | $F$ Marks, fire; Manned Hot Air Balloon | =ubiq | =LR |
| 09/04/64 ntTT | Glassboro, Camden NJ | (many) | $P$ $F$ Blast crater with gunpowder residue | =S@ | =** |
| Date/time | Location | Witnesses | ID Description - (KEY) | Source | ID-er |
| 03/02/65 TTTT | Brooksville FL Weeki Wachi Springs FL | John Reeves | ?H? $R$ $F$ Coded sheets a simple substitution cipher in English
Figure-8 footprints = early running shoe Ti pellets = industrial waste $R$ See also 10/NN/65 and 12/04/66, and visual 03/31/65 Result of party hypnosis post-hypnotic suggestion |
=LR | |
| 07/03/65 TTTT | Deception Is Antarctica | (mil) | Nacreous cloud; Instrumentation #@# | ||
| 07/10/65 TTTT | Azores | (many) | Lost balloon from US, unrelated clock supply /\/ | =N= | |
| .A/UU/65 ntTT | Fremont NH | Jesse Bolduc | ?P? Fire balloon, automatic barn light shut self off | =LR | |
| 10/NN/65 TTTT | Brooksville FL | John Reeves | ?H? $R$ $F$ Figure-8 footprints = early running shoe | =LR | |
| 11/09/65 TTTT | Syracuse NY | (air) | Power line arc caused by surge from overcurrent cutout /\/ | =LR | |
| 01/11/66 **** | Wanaque NJ | (many, police) | ?P? Fire Balloons, Melt caused by water discharge pipe (always there) |
=S@ | =S@ |
| 03/20/66 TTTT | Freeport TX | (many) | /\/ Pole transformer blew up | =PK | |
| 12/04/66 TTTT | Brooksville FL | John Reeves | ?H? $R$ $F$ Figure-8 footprints = early running shoe | =LR | |
| Date/time | Location | Witnesses | ID Description - (KEY) | Source | ID-er |
| 01/20/67 0200 C12 | Methuen MA | ? | ?P? Fire balloons; $D$ poor condition of auto (1st case same loc & day) |
=C= | =C= |
| 01/20/67 ntTT | Methuen MA | ? | ?P?Fire balloons; $D$ poor condition of auto (2nd case same loc & day) See also visual cases |
=RF | =LR |
| 01/L3/67 0030 C14 | Joplin MO | (many, police) | |~| Jupiter; $D$ low car battery | =C= | =C= |
| 06/NN/67 TTTT | San Jose de Valderas Spain | ? | Arm lift bucket truck pad imprints {^S^ paper plates, Russian Ch) | =W= | =W= |
| 07/05/67 0410 C25 | Coventry CT | ? | /\/ Power line shorted to trees (see also visual cases) | =C= | =C= |
| 07/18/67 0350 C26 | Los Angeles CA Wilmington CA | (guard) | $H$ $D$ Cover up for target practice use of ammo | =C= | =C= |
| 08/NN/67 TTTT | Riverside CA | ? | ?P? Fire balloon; $D$ Normal wear on auto | =LR | |
| 09/04/67 UUUU | Cleavedon England | Neil Batey | ?P? $F$ Fiberglas disc with British radio equipment inside | =N= | =N= |
| 10/**/67 **** C38 10/24/67 | Halburg NY Newfields NY | (many) | |~| Sirius, planes, $F$ bear track; $H$ "UFO researcher" |
=C= | =C= |
| 11/NN/67 UUUU | Conway AR | Richard Cummings | $F$ 23 inch RADAR calibration drop sphere | =T@ | =LR |
| 11/08/67 0330 C39 | Lake Elsinore CA | ? | ?P? Fire balloon $D$ Normal wear on auto (stereo tape case) |
=C= | =LR =C= |
| 07/07/68 ntTT | Seattle WA | (many, air) | $P$ Fire balloons; Circling uncalibrated the gyrocompass | =PK | =PK |
| Date/time | Location | Witnesses | ID Description - (KEY) | Source | ID-er |
| NN/NN/70 UUUU | Lai Chad | ? | $F$ Fuel tank that survived re-entry | ||
| 04/13/71 TTTT | Maynard IA | (many) | $F$ (Burned spot) $H$ Psychology experiment | ||
| 11/02/71 ntTT | Delphos KS | $Y$ Ronald Johnson + | ?H? Fire balloon; $F$ stock feeder residue
[glow from ring is from flash] $D$ other objects in photo brighter than ring |
=ubiq | =PK |
| .V/NN/73 TTTT | Piedmont MO | (many) | |~| Venus; $F$ Bonfire remains | ||
| 09/NN/73 UUUU | Griffin GA | ? | $F$ Meteorite hole in ground | ||
| 09/NN/73 **** | Camden SC | (many) | $F$ $D$ Sky sculpture by Prof Howard Woody | =N= | =** |
| 10/08/73 TTTT | Petal MS | Charlie Delk | ?P? Fire balloon, unrelated engine stall | =LR | |
| 11/29/74 ntTT | Meeker Co. MN | (A) | $F$ Mutilated pig; cult, power sag put out yard light | =LR | |
| 12/L3/74 ntTT | MN, TX, OK, CA | (many) | $F$ Mutilated livestock; cult, $D$ drugs in bodies | =N= | =N= |
| Date/time | Location | Witnesses | ID Description - (KEY) | Source | ID-er |
| 05/L5/75 ntTT | CO, TX, OK, CA, WY | (many) | $F$ Mutilated livestock; Helicopter cult, $D$ arrests | =N= | =N= |
| 09/L4/75 ntTT | WI, IA | (many) | $F$ Mutilated livestock; Helicopter cult; Cult imitators
Insurance scam |
=N= | =LR |
| 05/03/77 TTTT | Hainault England | (A) | ?P? Fire balloon $F$ ?P? Flattened bush | =LR | |
| 10/**/77 ntTT | Colorado Springs CO | (many) | $F$ Mutilated livestock; Helicopter cult | =N= | =LR |
| 10/**/78 ntTT | Logan Co. CO | Tex Graves, many | $F$ Mutilated livestock; Helicopter cult | ||
| NN/NN/79 UUUU | La Paz Bolivia | ? | $F$ Fuel tank that survived re-entry | ||
| 07/**/79 ntTT | Walsenberg CO | C E Potts | $F$ Mutilated livestock; Cult | =LR | |
| Date/time | Location | Witnesses | ID Description - (KEY) | Source | ID-er |
| **/**/89+ **** | England | (many) | $F$ Crop circles $D$ Infrared photos of men making them taken Artist groups creating them Crop circle art contests |
=N= | =N= |
| 07/NN/89 TTTT | Mansfield England | ? | $F$ Crop circle, $D$ pivot hole found in center | =JR | =JR |
| **/**/90 **** | England | many | $F$ Crop circle Circle made for Led Zeppelin record album | =N= | =N= |
| 05/10/90 TTTT | Bloomington IN | Merida | $F$ dead grass circles $P$ Herbicide "plane target" | =N= | =** +LR |
| 07/NN/90 TTTT | Lower Peover England | ? | $F$ Crop circle, $D$ pivot hole found in center | =JR | =JR |
| 08/18/91 ntTT | Carp ON | ? | $F$ Skunk diggings | ||
| 03/12/96 ntTT | Apple Valley CA | ? | Fire set by ?P? fire balloon | =LR | |
| .V/NN/96 TTTT | Paulding OH | Arend | $F$ Crop circle ?P? $D$ Farmer cashing in on it | =N= | =LR |
| Date/time | Location | Witnesses | ID Description - (KEY) | Source | ID-er |
| NN/NN/05 TTTT | China CA | ? | $F$ Fire balloon set house on fire | =N= | =LR |
| 01/08/09 1115 | Covnisholme UK | ? | Wind turbine destroyed due to drive gear failure ++Sundog | =N= | =LR |
| 03/29/09 2145 | Norfolk & Virginia Beach VA | ? | Pieces from re-entry of Soyuz stage | =N= | =N= |
| 12/30/13 2145 | Chualar CA | ? | Crop circle faked by artists | =N= | =LR |