It! '10 A'j'lC IICIAXAla UNCLASSIFIED Reference 1a made to SAO wlre DIC 12660 dated 10 December to JCNI' head.,uartera on unlclentltlecl tl)'lns objecta. Intorn1atlon ln reterence meaaage la oontualns. It 1a 1mpoaa1ble. to aacertaln Wbetner the alghtlnn 1n question 1a the aame aa that reported ln aaeaaa1- ' ADDIC '9913 dated 10 Novea~ber trom co Third All' Dlvlalon, South Ru1al1p England, or whether 1t 1a a dltteront a1ght1ng. SAC me~ atatea that alghtlng occurred one week prevlo~ to 17 HoYember. Date or a1ght1ns reported b7 Third Alr Dlv1a1on waa 8 September~ Sugt~ t your headquarter get more do tall a trom Tblrd All' Ulvlalon. Their meaaaE ot 10 November etated that a tull report waa bolns prepared. ~o date thia report haa not been reoelved. J J Rodgers THIRD AIR DIVISION UNCL,~::;SIF iEC> a Co~-wndln:-: \'oncral \,r1.r~t.-: u:..- rD\ln Alr ~orca nuae ~kyt.on, J.1l.o 1. In ll~oord"neo wl th lr.t t.or, ,~ead'1Wll't.ora \'!1~\ : , cubjo~ta !leport tn-: . ot lnJ l.lJ"::n'!..i.)n .pn l!!C:;nvon~lvrw.l J~lro~cdt, c:.&\.:d 0 :-to.,t.llubor l OSJ, tho 1na loat;\l J"t); '"'rt. \J !' Wl.;ouvo,llioMl a.lru:Jrne o bJ~o-. 1a l'or\ ~r.~ocl. 2. 'or,,\-luae rtti.,arli \~CAl lul"\'.:o~.r~ou to y;)\lr he~c; quar,ora bJ . th1e :u..tt! li~llrt.oru, CJ .. :a, datt.;cl liJ-lll!lliOe , ,:1 r~ot~r or 1 ntolllt:onoe \.aa:1ln;t.on ~G, .c. UNCL/\SSIFIED -'b7 tbe ft1r4 A11' D1Y. tbat tM radar t1cme. Letter with .an c!etall 111 foUc:w. ID the attaohed to ADI Science ill London 'be Snatruated to rta1t 1aeat1gat1on. 'JI::f S"M-L) NO. fiO:C' D C~ULL et.NA\'Ufll:) DATa Rce o COl"\' NO, fiO:C'D ey DATa RI:_F' D DATa IIII:C' D DATa IIIEC' D .UNCLASSIFIED ORIGINATED BY COORDINA1'ED BY 3 I ROOOBR8 AF FvP.M 11! -PART I JNCLASSIFIED AIR INTELLIGENCE INFORt.iA TION REPORT ~.PIJOI't~ -I_nt'or~tlon on_ Un~r.Ytmt1o_llL'!~ Alrorc.tt, liq tS~ Foqr radtl.r o:>nt&ots Wf'.re 111nc\e w1 th e.n Wl1d~nt1ti.wl objeot e.ilborne ov~r Enpand nt altitude ot 1 000 or leate to :m,ooo and 110re 11Y1Dg r~ ~Ltb~!..'!! h thole or 'P. L~? nlrcr~tt, betwft8n 0859 and 1026Z, 10 Novf':Jbf'r 19SOe The objeot ti'!!.Vdl'ld at. I'Rt~ or speed Yal')'iala tror. ap;;rc,xria~f11J _. to 1,000 at,.t:ztto lllU"'a !>tsr hot.are Ita IIOYOill~t WP.e Oht..r110t rJ.z'!d by ita a ~ar.,nt cspr bH1ty to oak~ e.n aceptlonall7 lare .. D&l"lber or abr'Jpt cbaDgf!:l or cour,;e ill n r.W.t1vel.7 abort disteno., _Q_. -IIIW. 1 Atfldn 2 Atf1drvit ) /.tt1dav1t 4 -Att1dav1t s,t Oolcme1 tJW ~/Intelligence 5 jft1dllvit Cpl. 7 Traok Chart 6 -Attidr.vit Cpl 8 Route Diacraa SAC, UW~, tE Air Attaohe, London, US I.IU1tarJ Att.ncl:~, London, US NG.Yal Attache, Lond:>t .. Itir !-!itistrt, HQ 3rd Air D1Y co 3903 I~S Sqdn. UNCLASSIFIED DY l A'."J. Af FDIM 111 PAIT II NPAUtD IIUIC- UNCLASSIFIED INIELLIGENCE INFORMAnON Ohl.-t or at.att, Intellll IRl50 )rd Air DlYlaloa ,..{ on" two oo Pour radar oontaot1 were Mde with M un1dent.1tlecl obJPOt. airborne OT@r Eftcland at elt.lt.ud ot 1 000 and mor,., and rli.Db rf'turna o011p~rable wi.th ~e ot a 829 aircnd\ betweM\ 0859 "ad 1026Z tb.-obJeot trttTlla! at rate. ot epetld ftJ"YiDP. t'rot:l &j)f)roxi.llate17 )0 to 1,000 .. t.at.ute allea pt-r bo\11" Ita IK>Y(I!I'IIfl'ft\ na cbaraotf"l"bflld b1 ita npp~rent O..,")llbU 1.t7 to ke all 8XOIJ!)tlooall1 lrLr.:e Daber of ftbrl.lpt cbaD(Iee or COUl'P.fl in fA r.UatlV4!"11 abort. dbknoe. le VlaUI\l oont"ct wu not 11ade with objttat. R~turna on redu aereon pel'lllt Mt:\ attt that obJ.-ot ooW.d baYe bt~ten or the onhr or 1&o of the B29 or CS4e Objeot g&Yft th~ aa.11e returna on the PPI aoop., und J acopf' that. woud huv~ bNn glYeo by "7 e1n(le olrcrntte Th~ a peed of thf' obj ~ot Y~trifld rro. 30 up to and well in ezoeea ot 1 000 Ph atatutf'e In one o&oe tl':e obJ~ot cllmbf!d fr?.ll 000 teet. 1D le:!r than flvf' st~eontb g1v1nr: o cltab1n& cp~f"d ln nc~3a Of 1,000 llePeb wbU~ cov .. r1 t: a latflrAl. t\btrnoe o! J,(:OO feet 1n t.he BMI8 ptrio:l For the IIOtt ~rt the obJeot t.ra&Yellf'd llt a apet!d or about 60 "Ph In :aaneuv,.r the ob~eot. asde turns Ytt'f'T W1dul.llt.lne both ertioo.lly end 1!\t.t-rnlly at ~Mt. au,..r-d wlt.l.ln 'ff'ry short lateral aDd y,.rticnl diotaDO'~l4 In rme cae~ the objtct turnod 9fP to richt frons oouree tor 600 70rds of trav,..l end then turnf'd 1000 to lft for 200 )'lll'de, then 15()0 rit,;ht ror m yt.J"da (sp.o<Ja Ytl.rf~ rrore 60 to 1~ :!lPhe) and t.b.-n 1100 abruptly l .-n.. Thitl neuver continuro tor c.bo,tt. 70 Sl!oondse In another o"ee the object mtJ.de 18 abrupt turns or lOCf.> or 110re 1D A Llt.t>rt\1 d 1st! nee 500 7o.rd &t one ti.lle the nl t1tude ot t.h,.. o'>jf'IOt wnl'l 10 low (around 1 te@t} t.he.t it wae lo1t in th~ gl'ound cluttt!J"e In each cue wbou t,},~ objeot diaappear..t its op.ed wr11 ao great or ita alt.!tt.ade ao low ftD to bto outl'1de the 11dt or capabllitiea or tbfl auto atio tracklnt circuits or the 2 radar plotth11 eQulpllttDt. 2. Firat contact. aade with tho obj .. ct nt 085qz c.nd lastf9d unttl 090'7~1 "hen it waa lost. 1D groUDd clutter. In t.h1o intervlll. t.bc cromd diat&.ncft COY@J'ed aboJt. 8., rallfl. Att.er " 90 e80t)Dd break a seoond c ontRct WhS "lllde at 0909Z whloh l.Aat~ untll 0912LZ Tb~t lat.oral dl~tsnoo covered in thb 1Dt.Prv~l ua about l.B aUe A third contaot waa made at 094& laat1Jlg untU 091.7}[/. ?:ben object ... loat. d\le to acceleration and aaoent in ao of c-spab111t7 ot rad.l\1" auto:llt11.io trackinc equipiftnte A lat brief mcounter na :.de at 102SZ laating tor a td.n\ltt- The object 1111.1 tben loat. due to aoceltr8t1on aDd uoent apeeda @OCOeeding red:u- oap&bU1\7e lo turthf'r oont!Lot. waa ad 3e Object ob3t1'Yed through surtaoe radar oontaot by AN~-2 (SCi\534 redar aet aDd ~-627 tn>e plottint; board) Radar Dom Sooriq EqulJ~r-nt. 4. Observation waa aa4e tro:t rada.r n.n at Heaton A1rdrolfte (51029t1f 2 aU 18 of London Alrport. Poaition ot first and aecood oontacta ' ail or Bowlngdoa Alrtl~d (5104)'1f -00032'7) on hMdlng o1' 450 T. Dropped at point 2 1111 s or Luton (51S7'tl -()()O)Oii) atter trav~.l or 3.5 ailMe (Thla 1Dc1udH brk betw.-en tirat and seoond oont11cte.) In th~se conta.ota objeot obe.-ved at. 20,000 teet., deeoendi"' to about. 1 000 te~rt c.Dd n~cnd1aa; to an nnreoorded high .altitude Tb position ot the third oontaot. waa "t a point 6 aUea eouth or Luton on oouraa or 3600 T, tund.na o1ookwiae attr about 3 rdle11 to a b....Sinc o goo' Objeot ... droppfd At point 3 mUca ss or Lut.on At'tf'J" trAV~ of about 6.25 ailc:a. Ip this oonte.ot. obj eot W~ollftdecS fi'OII 1 to lOfOOO teet. Tb" tourtb contact wu 11ade in the vioinlt.J ot taatlJOurne \50050 turning to 'r100 T aDd th'n to 1600l'e Th~ obj-et waa dropJ*l "-t aA \IDknowD poi.Dt ill t.he TlOilllt7 Of F..aatbo&&rne v.rtf'!' tro.vt~l of Lhout NCLASSiEUiO Af FORM 111-PAIIT II UNCLA:su: u:.u AIR INTEWGENCE INFORMATION ME PORT 1e5 ldle Ia Ual1 oontaot. al t.J.t\llle 6 . . ,. !hue obe.-rnt.ioDI were fl8.d8 b7 otflOfTI aDd alrra.n or ht.aobsf!Jlt. B, )90)rd JUJ8 sq .. droa, wlt.h aper1enoe 1A the radar field .. tollo . t Wee.t.ht"r end w1D4 conditional 10/l.O elol.d cover, 1 000 feet, rain, wtncte 230 65 knota at 20 000 teet, C'aE 29.50 inchf.tDe 8, lone, oth"r thaD RBS plot tine traoM &howine grouDd tre.ak nl tl tude, aad croumd apeed ot objeote 9. lo aircrntt nre acrnmbled br thtt U.S.A.Yo nDd R.A.Fo to atte:npt tnt~r .. oeption dutt to WMther ond 1n thl'l C".se of the R.A .r becauee o!' th~ 1\ba-.ncf'l or a tl"equenoy chanDel OOIU'IOD to Heaton nas. . UNCLASSIFIED 11illZ:IIJJ1 UNCLASSIFIED At a!)pi'OxlMtel.7 0905 th4 un4erP.1:1lfld obe~fd tb.-traok ot the tlrt contaot. 'l'h' tU.t1.t.ude and low ,;rOUJ1 ef)eed waa c"''"'iderftd Yfll7 unra~:uale Inlnatruot~ the radAr op.:rator aDd plo,tera to Jcttep the plr..n~ under rad:.-r rurT,.UlMoe aDd 18d1at.-l.7 oheokNI the eq,Jipt~Mt llrlltunotll)n WllZ not \nd~.or~t!o Other aireratt n.,toc 1A tbe area were !>iokfld up aDd tracked without d1ttioult7 Tbe tlret contact f!bded when the aircraft d~c-,nded to an altitude so lcnr oa to ~k-tracking lr.troee1ble. A aPOond oontr.ot waa eatablinbr-d whlob het"i about tbr~te alnutea 'l'h~ trnok waa co~po or very eharv turn wh~.ol'1 woaltl b .. Yery unuaual tor oonv~ntional aircrar.t. Th,. third CC'ntn.ot ooo\UTfd 11 t 0946 ~n" .continued for a lnute and a half. Break in c.:>nt'..ot oocurr--d "t.~n ~iror" "'t's a~eecl nnd r!ltP or olillb inorflaled ao rapidl.7 ao ae to oaue" op~rt~.tor to b" m!!ble to k P th~ tracking c ... t.-(,)Q ttt..rcte ;. fourth cont ot or rdort dur,\t,ion south ot the radar S.te wv.s ut11bliohed &t 1025. Loa& or cont.ot was o~u l b~ .same reaon ns in the t~1rd oontAot. . ONCLASSIFIED ltA:tlYI:Ilt UNC' .. ;.~SIFIED . At approximt.-17 0915, I wna ot\ll'!d to th~ plotting Ynn to obattrYe the traokina . end plott.inc or 1\l\ aircraft ny1n8 1.n an \ln\.18\.11)1 ftiUM@re At tJlf' tillle or rq arr1vsl, ra4l\r oont:Jot ,,1.th the a1rortft W&l lost. I ffXt..n~in.-.1 tbft two tr.oka on th<' !'lottira board ADd queetion4d the plottinc p~r~onnel r~gardinc ftiror~rt' manner or tlichte R-.l.l1inc thl\t it ~n WlU.l\UJ. OOC'\lrrftnoe I 1.MtrJot4!d them to prob~ th~ ar ... acaln in ~rtort to re-establish oontaot. At 0946 co~taot waa ag&1n ~de &n~ a le1ible plotting track obtai.'lfl!d tor r.pproxi 'tlbt~l 1~ minutea at 1'th1ch tilDe cont11ot with th~ airornft wsa lost due to itf~ h16h rat~ or aooellerPtion and ep~ed. Oontaot wa1 again re-ee~bliched to th~ south at 1025 &nd a legible traok lnetinc 40 s~oonds wae obtained Thfl! aircrart ne &8ftin '1Uki.Q8 undul.,Jting t\U'ns arid ~:udden eilt.itude obaDMe Contsot waa again lost du.-to it c e hich rat~ or a.oeellention ~nd clillb., A fwother eearoh laetins ep;>roximatftly 1 hour faUed to reeotabliah oontt.ot. Oboervation ot the tn.oking end plotting Etquipment revealed it tl') be 1A first cl .. ae opera tin ooodltion. Other airord't were trncked in the local crM ttt th exc.,llent reaul. ta. All dAta obtained 1e inol\lded ln basio r~port and photoetatlt oopiee of pJttin& tr~oea. . Ooa!D8nd1n& DtSTitiiUTION ay IJ:tiGINA fOil i~Ai.l!~iilt UNCLASSI~IED. I w D O"J c!uty "t 0800 hnur:., t"ridf,t, tO t:ov~hr l 5o. .},en =>tU" :o, .. er un:\ t, h:: d wr r r,ed up cr llf1e1flnt17 I t.ur""~ o th~ rtd..tr 'nri J.lot,t.l 1g ~l'l.l[l'1f'nt Ar I 'nor'ltt ~ ly "'o, I let th~ ~ul~.-nt. war u~ :4Jlll th~u 11bout O~J..S ;-t-oc~"'dt-d t:.~ tUDe ;pz h' lc:.l .-o .... ra to ~,.~ tf 1 oo'.Jl.~: loct t,.. ~n;l ~.trorJ't to c1.cx:. +..h , ... Jtoa..nt.ir. tl"lCki&t; O:'l~r" t.1ou v:1 tt.. It Yue tl1~n ~h t "'" pic!'~ 11p t~l ,. rf"tlrn fror th~ niror:!.ft i.-l ,~ts,.tol on d .Jty) .,,.,. "i;h '",. :ln thr-.JCR SJ 4 ot th~ .... a,.' hr-o~ t ~ ... control~ ~.a.rr.; tni teh ~ to .utoi~tic trackinc,. 4, t fir :at eout,. .ct it \\:'D :.LbOtlt ~ 0JO p .rf;r; fl".ant rMlu" f'r,it!t t,Lr r:d Ar 1"t !Jwin~ t.ho n"'Ct iulf n rr.1nut" or a'O' "~ notiel!:! ~h,.t it Wt.tD trrJV~llinG v-.ry nlowl( hll.;oue;h fro tl".-f'l ... Vtd .. ion tant;l,. it B,.P."lM t.o bfl' 1\bC'.tt .~,JOL r,.tt IJ~. At. th'ts '>Ot:lt r Ut'C1.'"111( T.h;;.t. ita tr.-.ok WC'uld louk 11'/(f- I c .111 .. d to C. l 'Cflo Wh~ it ti,:-~"lottittg t .nli rsl:t'd hi:a to s"'~ t.hf' :dti~urif' t.nu ~h ,,-o tr:&cf!', thn 1 ,;,..nt into tle- plottint; Vttn, '""'l~ Otl "'l Oll th~ bo:..rd, (.:.o,oiO ,.,rds :: ~ lo,c I( :rrt~u (I f)t.r:llax). It'!i ~4ltitud~ a t th~ t ti~f' Wl.. O 1Cj 5Ci0 fr-fl!te Cpl ormt1'1U' d t.o trt~ck it ~nd WI! w,...teh"'J ~h" rirr w!r'!.." n ' lllUS\JI '"ly irr~t:.W.r t.l .. ~ok on tJ .. bnc!'(.'.. K.uov.i':l.: ti," rnchr '"lu plotti.~ e us~'? hj' I~IIY ~lui.>'ll"llt fHilu-~, "''" c ... le'<l 00 O\lr i ... t:-.r-t.o tl .... o rflct. for Lt t(J c)"tf" up . He t:1"> c . .l.~ u;, t.o;_.~tl r ~1.th Sr. th~ cl i,.f rlottfl\r on