Analysis of Unconventional Aircraft Sightings, 1955
CIA-UAP-D021 · Release 04 (7/10)
Agency
CIA
Document type
PDF
Sighting type
Disc/Disk
Incident date
1955
Release
Release 04 (7/10)
Evidence tier
Tier 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.
Auto-extracted from the original PDF · may contain extraction artifacts. The source document above is authoritative.
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SIGNATURE RECORD AND COVER SHEET
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_tCUMENT DESCRIPTION
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CIA CONTROL NO.
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ATTENTION:
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FORM NO, 26
USE PREVIOUS EDITIONS.
(40)
TOP SECRET
I APR 55
BEST COPY
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1. A diapatch fJra fnaUlt, c..103, .._ lJ octobe:r 195,,
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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.
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taile4 to obH.,,_ the bofl' f/l ta obJect Ml W m, teelhg
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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
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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 •
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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
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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
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'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..
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lUe Ql"Sg:lal ... tor Ult t'l.Ylnl wbJ• ,,_ • lfO\IIJl "'
O.-..J-'a.na,Worl4Willl"ll. !hl---ll!l'Jal.loMN
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that ~ -. General 3amts:,rd to 1epc:,r\ GIii 'illl ....,_ of
tbe Air 1'woe proJ4tet. at. tlll !AC aeat1ag.)
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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.