Evidence Explorer

… Project 'SIGN', which was tasked with investigating sightings of unidentified flying objects (UFOs). It includes a list of incidents that may be attributed to balloons, indicating a systematic approach to analyzing UAP sightings.

This document discusses a series of radar sightings and reports related to a Japanese Airlines flight (JAL 1628) that encountered unusual lights while flying over Alaska. The FAA's investigation into the incident revealed conflicting accounts among air traffic controllers and raised questions about the nature of the sightings, leading to public interest and …

…te speed, distance and size, Recommendations The following recanmendations are offered: le Test the ability of pilots to estimate the course of a cnall lighted balloon while doing acrobatics with it at night. It is sugrested @ that several pilots try to fly pursuit curves and collision courses on such targets at night and report accurately their sensations, …

The document discusses the analysis of 221 incidents related to unidentified aerial phenomena (UAP) and their potential explanations, including balloons, meteors, and astronomical phenomena. It highlights discrepancies between different analyses and the challenges in determining the nature of these sightings.

…ely € the distance of smll bright objects viewed against a clear sky, unless the object is identified first. If you know beforehand that an object is a weather balloon, an FSO, or a dirigible you oan estimate its speed and distance with some degree of accuracye In such situations distance is judged on the basis of known size, and speed on the basis of an est…

…sult chiefly from inability to estimate speed, distance and size. De RECOMMENDATIONS s lL. Test the ability of pilots to estimate the course of a small lighted balloon while doing acrobatics with it at night. It is sug cested that several pilots try to fly pursuit ourves and collision courses on such targets at night and report accurately their sensations. I…

…g other than the 51's on the SCOPE. Object passed approximately 100 ft. over and 100 1%, to left of flight leader. Wingman on left wing. Cheeked MPIS ARTCC for balloon flights and received word that last one was released from University airport at 24,/144,6%, landed 24/1901% 250 miles ESE of MSP Checked Lowry MFSC to see if any classified flight plans had be…

ie a od , _ . . SECURITY INFORMATION A’ cay !!2---pary } eeroved ? June i943 | (Classification) eport No. 4) ra . & a. : \ . AIR INTELLIGENCE INFORMATION REPORT ; 4 , , , —— a - Area Reported On SW of Minneapol3 , i} fy i Puskas ase at exe lumdouttises 4.| 12 : : i dat Report of Unusual Airborne Object Py 4 % i Prepared by (Officer SOU rCRs onal Observation …

…ham, reports that the sky was clear with 1. The Preparing Officer is of the opinion that the object sighted could be any one (1) of the following: | Be Weather balloon be Kite Ce Friendly aircraft ds Sun ratiinted toa distant atopy | ee Sun reflected from Lake Superior > : - i f. Sun reflected from mist formed over St. Mary's River Falls at Sault Sts Marie, …

…es has shown no increase in meteorite activity and no sightings of unusual phenomena in recent months, 2. Air Weather Service normally launches lighted weather balloons at night, Erratic behavior of a lighted weather balloon, together with physio- logical limitations of night vision might account for such reports, Col PAR a cL CHARLES Y, BANFILL o)\ reese Ge…

« x Ne AF hn ye aie (CLASSIFICATION) APPROVED 1SUN | , COUNTRY | REPORT NO. (LEAVE BLANK) JAPAN _TR-1-52 AIR INTELLIGENCE INFORMATION REPORT SUBJECT | ak Report of Unidentified Obj ect . AREA REPORTED ON FROM (Agency) Misawa Air Base, Honshu, Japan NéhF-B Wing Intelligence DATE OF REPORT , DATE OF INFORMATION EVALUATION 15 May 1952 - _8 May 1952 C-2 —_—_---—…

…nt te account for this, object definitely not star or meteor. A check was made with Columbus and Lockbourne and it was found that neither had sent up a Weather balloon. SYNOPSIS: While flying a B-25 from Des Moines to Washington, D.C. approximately ten (10) miles SSW of Columbus, I the pilot noticed a white light over Columbus at approximately the same altit…

ri AF FORM 112~-PART | | ATCT E se SL ; \ | or ASSIFICATION fj APPROVED 1 JUNE 1948 : , 7 | e . ; fet 2 rt ad “o United States | ‘B2e2_ 4 Be ne Fé wee ie be AIR INTELLIGENCE INFORMATION | REPORT | SUBJECT ‘ Report of Unidentified Flying Object —- — —— -__-— ~— AREA REPORTED ON FROM (Agency ) Columbus, Ohio Director of Intelligence, Hq Comd, USAF “DATE OF REP…

…towards Bridgeport, Conn. from the area of Suffolk County Air Force Base, It then turned around and came back almost above us, This object was definitely not a balloon or star and was moving in a

/ "AF F ORM 112—PART | | he (CLASSIFICATION) APPROVED 1 JUNE 1948 COUNTRY REPORT NO. (LEAVE B, A A). % eras oH U o Sahe TRe3=53E LS wat —_ a . ee AIR INTELLIGENCE INFORMATION Rl REPORT FLYOBRPT i AREA REPORTED ON FROM (Agency) Long Island, New York 5th Ftr-Intep Sq., McGuire AFB, Trenton, NJ. DATE OF REPORT DATE OF INFORMATION EVALUATION 9 January 1953 29 Oc…

…earance: Suddenly disappeared from view while it appeared to be at extreme range, Other Unusual Features: Object appeared to sway like a light suspended from a balloon, 2. Time of Sighting: Between 2100 and 2135 PST, 2 March 1953. Length of time observed 35 mimtes. 3. Manner of Observation: Visual without aids. The 775th AC&W Squadron had no radar contacts w…

(CLASSIFICATION) af’ RESHRICPEO PPROVES 1 JUNE 158 . y eal COUNTRY : REPORT NO, (LEAVE BLANK) 7 | a“ __Uniitea States _ TR-53 W v At @ of ¥en AGH) AIR INTELLIGENCE INFORMATION REPORT any Unidentified Flying Object Report (Short Title: FLYOBRPT) AREA REPORTED ON FROM (Agency) Di rector of Intelligence, Hq 28th Cambria, California Air Div (Def), Hamilton AFB, …

…ft to 18,000 ft tra ree | wat } ACLOEaAScCQ all 4 5 Se | A ale t. c > i, A On 3 r id y*¢ wy a 4. 4 A ra 4. % 7 & > ’ from 10 ary os i QV oS Be rT? ' f from o49 balloons rele ier balloon shortly af ; - 4 gs 4 " , q _ this station to take phot observation of wéa the suspended radiosonde liosonde is lichted at nis thet this oscilation mic¢ht be miscon: aerial o…

…lear; there were no clouds = nothing to block the visione There was no fragments or physical evidence of the object. I think it was a big weather outfit; a big balloon. I would judge the ° 9 * ee ° object to be about 40,000 feet high. Rie ) a: LY 4 72 a PKIDGEL, Thomas WK. Civilian Guard Force Tinker Air Force Base 5 July 1953 Declassification Authority: NND…

…Agency) REPORT NO. PAGE 1 OF 1 PAGES STAR-SHAPED UNIDENTITXED OBJECT MOVING DIRECTA OVERHERD IN A NORTH WEST ee. Sane aus °o KADENA en Ad as gd CRADIOSONDE ° } BALLOON MOVED EAST NAivaA AFTER BEING RELEASED 26°13'N\_, 21° 46'E ait 1-F-20'S AT \SOOORT. eee a ke 15 0R ZO MILES FROM hoe tee ne NARA etl cd EF Re PSSGS 3 Inch | NOTE: THIS DOCUMENT CONTAINS INFORM…