🛸 UFO PAPERS All documents · Blog · Archive
CIA PDF Tier 2 · Documented report Partially redacted Disc/Disk

Analysis of Unconventional Aircraft Sightings, 1955

CIA-UAP-D021 · Release 04 (7/10)
AgencyCIA
Document typePDF
Sighting typeDisc/Disk
Incident date1955
ReleaseRelease 04 (7/10)
Evidence tierTier 2 · Documented report

What the document says

Sections 1 and 2 of this memorandum document a 1955 analysis of reports of “flying saucers” or “unconventional aircraft,” referencing the incident described in observer debriefings contained within CIA-UAP-D020. The memo summarizes the incident as consisting of two lights rising vertically, then passing above the observers. The memo contains caveating language that suggests the author concluded that the reports, as described, did not indicate the presence of an “unconventional aircraft.” Section 3 cites a previous finding by Dr. [Howard] Robertson (of the 1953 Robertson Panel) that “almost all the sightings […] represented no threat to the U.S.” Section 4 discusses the state of then-current research into “saucer-like aircraft” under Project “Y,” a contemporary joint U.S.-Canadian aerospace development program.
📄 View the original document on war.gov →

Document text

Auto-extracted from the original PDF · may contain extraction artifacts. The source document above is authoritative.

,-. f6P SEeRE=t= ~ I A - • Approved for Release 2026 ... 1 ,.~ :·· ·:··· 1955 .. .... ~ ..' .. , SIGNATURE RECORD AND COVER SHEET ASJJ - -~-, .,. I) /41 • • ? • · A4 ~ _tCUMENT DESCRIPTION REGISTRY SOURC CIA CONTROL NO. ,,_ //.5'1,··J5 DOC. NO. DATE DOCUMENT RECEIVED DOC. DATE - ' .(: .,;::; ; .. COPY NO. -- LOGGED BY NUMBER OF PAGES NUMBER OF ATTACHMENTS "~ ATTENTION: This form will be placed on top of and attached to each Top Secret document received by the Central In tel- ligence Agency or classified Top Secret within the CIA and will remain attached to the doc umen t until s1cch time as it is downgraded, destroyed, or transmitted outside of CIA. Access to Top Secret matter is limited to Top Secret Control. personnel and those individuals whose official duties relate to the matter. Top Secret Control Officers who receive and/or release the attached Top Secret material will sign this form and indicate period of custody in the left•hand columns provided. Each individual who sees the Top Secret document will sign and indicate the date of handling in the right-hand columns. REFERRED TO RECEIVED RELEASED SEEN BY OFFICE SIGNATURE DA TE TIME DA TE TIME I SIGNATURE AND OFFICE DATE , OS) ,"{ft!J£C ,rn.l JS 1/Jst) lf!,d. 09.//~-:,l //.;,·.::,.. /~INJ V1ts. II\ .J., o-<..-t- ,Q-"' I ;t tRJ $"..l~ iPt/ I" , ' 11',,;.r$-s fS,:T , . )- ~ \, •••"'~- ~J..s:r S'J,;// .- ;A ·adil. l~Uv- ::in\.\ ' ro NOTICE OF DETACHMENT: When this form is detached from Top Secret material it shall be completed in the appropriate spaces below and transmitted to Central Top Secret Control for record. DOWNGRADED TO BY (Signature) DATE DESTROYED BY (Signature) WITNESSED BY (Signature) DATE DISPATCHED (OUTSIDE CIA) TO BY (Signature) OFF ICE DATE FORM NO, 26 USE PREVIOUS EDITIONS. (40) TOP SECRET I APR 55 BEST COPY •· Available .. ~ V'I ~ ~ ,, . , - \ )t y.­ ~ 1 ... .... l • "' ' -~ ;, ~ ( !+✓ 1 "l t Pl.y:bw ---- ~lonal. M.ftlnfl,. ... ;;.,~;,l'•~ i<·-. ;}· .... 1. A diapatch fJra fnaUlt, c..103, .._ lJ octobe:r 195,, ~ tke ~ell•~ sa.ucen w tUac-J..ue wcoa,•tioUl. IW"Cl"llft. a ~ vitb •• m-cn, one ot ta tom- ~ it .._ ~, t&tlel. to eon:tim in •••'al zeapect.;g U. iA.fanAtion r~;ivea 1.11 * tiepat.eh. 2. W.a ~iona -.re .l.iJdlll 10 sitfl\iag tvo lit)lta 'lthieb iaitialq GON ...-.tka.tb al tlMm ~ tbe tra.1D am. JUl14 l1ftl' lllad. &t a bJ.ab alt,1ttlllt. Be taile4 to obH.,,_ the bofl' f/l ta obJect Ml W m, teelhg • to -.ther it _. real,. tJae-1.U. or .,_ .._... 11a only lW(lll fW .......1bine • ......i1ona1 .... t.o the obJect .,. that lt roae WA1-ti-U, an.I ~ w gl.ia ta a 1NDDt11r Ullli.la _,. eJ.nnft be - ~ .... loww.-, 1n nev or* tact t.lJiat tr..,...._•_...._ be ~t the ~ quite 1l1gll (9000 teet) ana -- hi& obac'vaticd wn \Bldoubte411' CODIUtiODIA b) ~tor lWlell'a remrlla tllat he w. -- • flJilat ....-, too -- ~ wt be giwa to his ~- 9111 tact tho .IO 8D1ae ... blU'd ~ &tao haw 1..~ 1 • Ilia opinion • • mcammt1cmal ~111U.e ot U. obJect,. II a1ao tnJ.lAl4 to OOl1f1:na the eseitaaeet. or 'tJII ln:la ottieial. tollow1ng tbe in(:ident. It Sa 1111 belt.et t.bi&t --•• teat.1.o::in::, alone cou.14 not contira t.bll aistace ot an:, VDI J ,_tioa&l a.1rantt. IIJwwer, be .. not. iA a ,oei'Uon to bmt u pl. a lOClt • WN the othar -t'ber• ot 'bbl pa:tt7. A __,. c:aNtul ~\ioll ot the otlllr ..... ia 1a o.-.. 3• 'fll0 ,.... IIF, ·• AAa1.IOII h11 Ill a gl'Oq) llbieh imut,:1&1fl.ted IJ.I. •i&t,lt.;inglt ., ~ tll!l,UoeN,. !ha gl"OUI ,.. able to IIIIPl,a:ln &laoat ell taie t'lptiDIJI al Naebl4 tbe ccn.clua1oll tlat ._. phe1Kin11• ftlP1'8NlltA4 no tlaNat to the eecurt.t.y ot tllllt U-.8. hen U '1ae pUHllt 111.afltinp , .. 14 nv.ta a,e ~, it ~ aot. •••,.,•• tbet. thW ~ional ~ laYO act.U, ,._ a,,tag souo4 tJa u.s. a.._. 1:lle ac:mree or tr.!. ,ul41e-8111Dlatt.m.. '6.. b WAP 1a ~- a ~ ,.- at- Avro A1J"anft Ltd. la 0Jllllle tf# U., ~ of \iMIC,GNAt1oal .........,._like &.1lWtft. llM••# tba ~ ill still 1n tile W'l7 111•1m ................ -.tb .,._ <lr JKft ,.,.. be&zte ~ ·--. • ~ ot. tu-st, ~. ~ t.Ji11t ~ Jl'O,_ 01&\ ...UL 1:r.l, '111a ~ iMSate tat.,_.,.~ atat&t .... a '9lll7 nt&b -.u.1111 <• -te 1~io..ooo ,._> 1'1U& .,..., ,. to l8oo au. .,_ bow, a ftllll1P ~ TOO au. .a -- .r cliw'tt ot 120,000 M' & .m.\.mtte.. A ...Ueal taJlll•oft ~te."1at.1C ~ at __.., lie ~ _........ ~ l u 1:1111.ng 41.ree'tel b., ~ ~- Mr. ,._ la ~ to _. gc't.tm lUe Ql"Sg:lal ... tor Ult t'l.Ylnl wbJ• ,,_ • lfO\IIJl "' O.-..J-'a.na,Worl4Willl"ll. !hl---ll!l'Jal.loMN ~ ~-1= f.NII .... ~..... (B. 18 ....-.a that ~ -. General 3amts:,rd to 1epc:,r\ GIii 'illl ....,_ of tbe Air 1'woe proJ4tet. at. tlll !AC aeat1ag.) I I I rr scov:w.&, a. ~~ ffotw 4t1e~ DISTR.IB\lrIOJI Orig & l - M 1- m/1 2 • Ari/SI 2 • AIJ)/SI

Context

This is one of 21 CIA records in the declassified archive, and one of 30 cases describing a disc/disk. It was published in Release 04 (7/10).

Evidence tiers describe the type of record (sensor capture vs. written report vs. administrative file) · not a claim about its conclusions. UFO Papers reports only what the documents state.

Related documents

📡 New files drop without warning

Get the free weekly Declassified Dispatch · just the documents.

→ Explore this case in the interactive 3D archive