Scientific Study of Unidentified Flying Objects (the Condon Report, complete, three volumes)

information is not includl'd in (he folder, 1\0 firm l'ol1r:lu~i()11 may he
reached [1-; t () tl1l' proha" Ie ~:allsc of the !'aJar s il~hti ng or even as to
"Jhethcr or not the radar and visunl objects "ere corrl'1atcd.
'111e general visual :lppeOrancl', brightness ranRe, lIlotion and mode
of di.sappearance arc all r.'0:npatihlc with the hypothesis that the ob-
ject was a 1<lrR(' meteor. Sonte bq~( meteors display even more unusual
appearance than this fl'port. If it was a mct~or, tht' radu!' may have
actually tra~ked it: radar tracks of lar~e meteors are not unknown.
IJf C\)Ul'St'. tlu' radar tl'ack may h'w£, heen spuriOlls, or may havl'i,nd i-
I.:l\ted that the ohject \~as unnllturnl. '11H' trackin!~ (lata wOllllllw
l'~'ql\ i f('L! to Sl'tt Ie the po int .
'l1w radio refractivity profil<.' fOl' (lhOO lSI', shown in Fi~.3
in.JicatL's that an illtL'Il~<" slIpcl'-refradivl' layt'r existed within the
first :n2 Ill. (1220 ft.) :~bovt' thl' surfat('. This pl'ofill' is l:on'111civc
to tl:(' format ion of AI' l'dHH'S 011 ~:round-bllst'd radar, so tllf.'l'l' is S<'111C
po~sibilit~, that thL' ohsel'vl'd rndar ~Iatn ill this LJI'O illlidellt may Iwv<.'
been spurious. '111is l:aSl' would :H'CIlI to merit furthcr illvcstigali(lTl,
~~:.::..:.~ Edmonton, Alberto, h April 1%7, ...'1.?:'-2200 I.ST.
Weather: "vl'ry clear," cool, tCI1lP<"fllt.ufe about ~5°F, little or no
wind at surface, stars "ll1'ilolht," no moon. nhservl'rs state that a
bri~ht objf'\.~t apl'C'areu in the NNW low on till' hDrizon, movin/-: fflst,
appl'.lf<.'<1 to hovrr, I\n<l thF.'11 dh;aplwart'll. 'l1w night Iwfore, 1\ whitish
object l:ik<.' 11 llOfllHd still' "(lnly much lurgl'I''' h,lll llppcan'd in till ~(lt1l<'
place tNNN). A I'adfil' Wl'!H<"t'll 1\\1'1\11<.'<; IdIot InJl'pl'I1\"~llt,ly l'l'portl,d
"chnsinR" a liFO WIIOSl' posltt(lI\ \"a~'·l'luy('t.1 to hilll ill' (;C.\ rUllar from
Edl1l0illoil Intt'rnntio1\l\l Ai rport. Tllis UFO llPl'l':ll'l'd to !nOV(' S(lllll'\~hrtt
l'rrlllirull~', was Sl'l'll oTlly hriL'f]v fly th,' pUnt 1I~ H "rl'ddisl1nl':tIlW'
1 i. ~lt ted (" fft' c t," al\l1 JiJ "('It t raVl' I tl\l' ~; al1\<" ~()\Ir~(' a:-; till' v \ <;\1111
obJ('ct d<,!\crih\.d llboVl'.
'!1\(' gl'!lcl'al Iltm[J!lplll'ric cr-!\(lltIOl1ll prl'vnliing uurill K tl\i~
~ I ~httl\j.l \~l:'rc l:lllt<lttCtl vr to 1\1'. The dt':H~ri ptlon of till' (;CA rauul'
track i~ !;u~~('~ti·.'<' of AI' (qll:l!-;i -Stlltiolllll'y tllr~wt llPIH'Hrlll):! t.-, ".lump"
III llo!\ilion) , 811\.1 tll<' dl'l'lCnption of the UFO of:; I\pril i~; ~\lr.gl'~tiv('
of tht' tli rfract('\! iJ1la~(' of il !'t'l1' ~r:l'l1 thro\l~:' U l'lhal'p tC'lI1pl'rllt.lIl'e
lOA
information is n(1t Included in rile folder, no firm eOlh'lu~i()ll may he
rcachcu ll,; to the prohahll' ellUSC of thl' !'adar Sil,hti!l!, or evcn as to
"Jhethcr or not the radar lind visunl ol)jccts ,/Crc \.',orrl'latcd.
'nle ~en(,I'a 1 v iSl1:1 1 1J1J1caranct', hrigh tnes s range, mot i on and mode
of di.sappearancl' ilrc all r.o:npatihle with the hypothesis that the ob-
ject W3!\ a largc met!.'or, Some !:lrg! mt'teors display ('v en mort' unusual
appearance than this r(']101't, If it was a meteor, thl' radii/' may have
actually tracked it; radar tracks of larRc mctcor~ arc not unknown,
'Jf c\)Ul'se, till' radar trnck may h.wl' hN'1\ spuriolls, or may hav~'i,nJ i-
\:I\tf'd that the o11ject \~as unnatural. '11le trackil1)~ data would h~'
l'~'qllired tu sl'ttlc the point,
'11H' r<Hlio refractivity profill' fOl' (lbOO LS'C, shown in l;i)(,5
in.Jic;ltl's that an intl'Il~t' sllpl'r-n~fradiv(' layer exi~;ted within the
first ;172 Ill, (1220 ft.) ::hove ttl(' slIrfa('(', This pl'ofill' is con'llldvc
to till' f0rllmt ion of AI' ('l'h()('s Oil )(round-hllsl'd radar, ~p tlWl'l' i~; ~(\11It'
pO!i:;ibilit~, thllt the ohsl'I'v('d radar llata ill this lH'G lnl'i\Il'llt ilia)' htlVl'
been spurious,
\2(1(' ,:-;,
'lllis CU!\(' would ~l'CI1l totllcl'it fUrther inv(,stii~ati()n,
Edmonton, Alherta, I, April 1%7, ..'1.~;'-2;:O() I.ST,
Weather: "vl'ry clear," cool, temperat.ure ,,[milt :-5°1', littll' or no
wind at slIrface, stal's "hri).!ht ," liD moon. (1hscrv('r~ !itate that (I
I"'i!!ht objl'ct llppt'ared in the NNW low 011 till' h()rlzon, 1l10Vinlo: f;lst,
appl'.1rt'd to hovrr, and th'.'l1 di~lIppl'afl'd, '111l' night 11l'fol't', a whitish
objcct l.kt, 11 nonlilfl stal' "unly mllch 11Irgl'"'' hall UPtwnn,t! ill till S(IIIl('
plnn'tNNII'), /I. Pad!,ic Wl'stl'l'll AII'lille'; pilot lnJl'[1l·llIlpllt.ly l'l'portl'd
"ch(1~lnR" a liF(l wtiOSI' pt)~[ti<lll \~a~I'l'laYt'd to him h)' (iC.\ rndar from
Edm();Jt.oi\ lnt!' mat i 01\!\1 ill f'l'tlTt, Til i ~ UFIl IlPPl'arI'J to !nOv I' ~()llll'\~hnt
t'l'l'lItil:1l1Iy, Wll~ :-;('('11 ollly hril'fh' h~' til" I'llllt .. ~ II "r('ddi~i1(lI'nll~~(,
li~htl't1 l'fft'ct," alit! JiJ 110t travl'l tl\l' !"1I1K' C()\Ir~(' a~ tlw v\.;ual
objl'ct t1e~crih.d abovu,
'l1\l' 1!l'l\cl'al Rtll\[)~pl\{'ric CNlllltlOll~ prl'Vldlilll! ullrillp, tlli!-\
~I!lhttillol \~l:'rc Clllluuctlvr to /\1', The dl':;criptlol1 of tit,· (il:/I. I'II0ur
track l~ ';ua!gl'~tiv(' flf M' (qllasl 'statiollal'Y tur"wt IIpJ1l'urlll!l to "jump"
III pO!li t ion). BIlU th(' lk~crtptioll (1f the lJF() of :' Apri 1 i~; ~lI!l!ll':;t I V('
of tht' til f'frBct('\1 i.llla~1' of ,I ~t'll' ~r.l'11 thl'oll!llt II ~hal'p tl'1Il111'nltlll'e