DOW-UAP-D163, Rapporto informativo di intelligence aerea, Svezia, 1953
Dati principali
- ID ufficiale del fascicolo
- DOW-UAP-D163
- Tipo di documento
- Documento
- Agenzia
- Department of War
- Pubblicato in
- R07 · 2026-10-23
- Data dell'incidente
- 12/17/53
- Luogo dell'incidente
- Svezia
- Coordinate
- 59.6749712, 14.5208584
- Pagine leggibili
- 3/3
- VIRIN
- 260508-D-D0360-1155
Descrizione ufficiale
Questo AIIR registra un episodio del 17 dicembre 1953 nei pressi di Hässleholm, in Svezia, tradotto da un articolo della stampa locale. Alle 14:37 il capo pilota della Transair, il comandante Ulf Christiernsson, e il capo equipaggio Olle Johansson riferirono di aver osservato un oggetto che si avvicinava al loro DC-3 in direzione opposta, circa 600 metri (1.969 piedi) sotto il velivolo, che volava a circa 2.150 metri (7.054 piedi). L'equipaggio descrisse un «oggetto metallico lucente, sferico ed ellittico» e ne stimò la velocità in circa quella del suono. Christiernsson descrisse l'oggetto come fortemente metallico, quasi rotondo e leggermente ellittico. Riferì che rimase visibile per sei-sette secondi, non produsse scarichi né scie di condensazione visibili e inizialmente gli sembrò un aereo a reazione o forse un «robot» senza pilota. Secondo il rapporto, lo Stato maggiore della Difesa svedese non individuò alcun velivolo svedese nella zona in quel momento e dichiarò che avrebbe esaminato eventuali osservazioni radar. Il rapporto include anche un breve profilo di Christiernsson basato sul racconto di un conoscente, che lo definì «del tutto inaffidabile», e osserva che le autorità svedesi avevano avviato un'indagine sull'episodio. Tutto il linguaggio descrittivo e valutativo contenuto in questo rapporto riflette l'interpretazione soggettiva dell'osservatore al momento dell'evento. Tali caratterizzazioni non devono essere interpretate come un'indicazione conclusiva della presenza o dell'assenza di caratteristiche intrinseche dell'oggetto o delle sue prestazioni.
Su questo tipo di documento
Questo documento è un Air Intelligence Information Report (AIIR), un modulo standardizzato dell'Aeronautica degli Stati Uniti utilizzato per registrare informazioni grezze di potenziale valore di intelligence ai fini di un'analisi successiva. Il modulo fu uno dei principali strumenti di raccolta di intelligence sul campo dell'Aeronautica degli Stati Uniti nei primi anni della Guerra fredda, finché all'inizio degli anni Sessanta non furono introdotti standard di segnalazione validi per l'intero settore della difesa.
Vedi il glossario →✦ Riassunto IA
Si tratta di un Air Intelligence Information Report dell'aeronautica statunitense datato 13 gennaio 1954, dell'ufficio dell'addetto aeronautico a Stoccolma, intitolato "'Flying Saucer' Sighted by Swedish Pilot". Inoltra la traduzione di un articolo di giornale svedese su un oggetto "sconosciuto" visto il 17 dicembre 1953 alle 14:37 sopra Hässleholm (Svezia) dal capitano Ulf Christiernsson, pilota capo della compagnia Transair, e dal suo capo motorista Olle Johansson, mentre pilotavano un DC-3 da Bulltofta a Bromma a circa 2.150 metri. Il pilota descrisse un oggetto metallico lucente, quasi rotondo e leggermente ellittico, che viaggiava in direzione opposta circa 600 metri sotto di loro, appena sopra le nuvole, a quella che stimò essere la velocità del suono, visibile per sei-sette secondi; disse che non poteva essere una meteora e che gli era sembrato "una specie di robot". Lo Stato Maggiore della Difesa svedese dichiarò di non sapere di aerei svedesi nella zona e di stare indagando, e il capo dell'Aeronautica disse che si stava verificando che cosa potessero aver rilevato le stazioni radar. Il rapporto aggiunge un ritratto del pilota fornito da una fonte del Regio Consiglio Aeronautico svedese che personalmente dubitava del suo racconto, e afferma che l'ufficio dell'addetto cercava di ottenere ulteriori informazioni.
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▸Trascrizione(3 di 3 pagine leggibili)
[PAGE 1] UNCIASSIFIID AF FORM 112 (CLASSIFICATION) APPROVED I JUNf-~ COUNTRY REPORT NO. Sweden AIR INTELLIGENCE INFORMATION REPORT SUBJECT nny1ng Saucertt Sighted By S1red1sh Pilot AREA REPORTED ON FROM (..49=CV) SWeden IOAirA, Stockholm, Sweden DATE OF REPORT DATE OF INFORMATION :A:ATION 13 January 1954 IDecember 53 January 54 l.o-c. PREPARED BY ( Office,) SOURCE BURT R()VEN Ma or USAF MC IPress and P rsonal Contact REFERENCES (Cbnt:ro nu1nbn, dir i", prni011..J rtport, dt., a, applicabl•) BAm 3A SUMMARY: (Ellter omcise ~mmar11 of report. Gwe •lgnlftcanu Infinal 0110-,ente11« paragraph. Li& lnclorure• at lower le/I. B<glntat ofreport 011 AF Form JJI-Part II.) This report f'o:rwards information on the "unknown'' object sighted on 17 December It 1953 by Captain Ulf Christiernsson, near Hassleholm, Sweden. Included is a translation of captain Chr1st1ernsson•s description of the incident, as reported in an interview with the loca1 press. There is also a brief character sketch of cap~in Christiernsson. APPROVED: Authority: ~Ll~ NND 57597 Acting Air .\ttache LJBRARY SUBJECT & AREA CODES ~ tP ---INCL& DISTRIBI/TION BY ORIGINATOR A-2 USAFE; USArmA. Stockholm NOTE: THIS DOCUMENT CONTAINS INFORMATION AFFECTING THE NATIONAL DEFENSE OF THE UNITED STATES WITHIN THE MEANING OF THE ESPIONAGE ACT. SOU. S. C. 31 AND 32. /lS AMENDED. ITS TRANSMISSION OR THE REVELATION OF ITS CONTENTS IN ANY MANNER TO AN UNAUTHORIZED PERSON IS PROHIBITED BY LAW. IT MAY NOT BE REPRODUCED IN WHOLE OR IN PART, BY OTHER THAN UNITED STATES AIR FORCE AGENCIES. EXCEPT BY PERMISSION OF THE DIRECTOR OF INTELLIGENCE. USAF. UNCIASSIFIEO (CLASSIFICATION) [PAGE 2] UNCIASSIFIED AF FORM 112-PART II (CLASSIFICATION) APPROVED 1 JUNE 1948 ... r • 'AIR INTELLIGENCE INFORMATION REPORT FROM (Agencu) REPORT NO. OAirA. Stockholm. Sweden IR-J2 PAGE 2 OF 3 PAI.ES 1. On Thursday, 17 December 1953., while flying near HHssleholm, SWeden, Captain Ulf Christiernsson sighted an 11 unknown" object. The follorring is the translation of a newspaper account of the incident: "The chief pilot of Transair, Capt. Ulf Christiernsson, and his crew chief, Olle Johansson, had a strange meeting over HHssleholm at 1437 hours Thursday. A shining metal spherical elliptical object came toward them traveling in the opposite direction from their machine at an estimated speed of sound and approximately 600 meters below their DC-3, which was on its way from Bulltofta to Bromma. It was visible six to seven seconds; Capt. Chris tiernsson, who had good silhouette recognition, stated that what he saw was something absolutely new, possibly an unmanned robot. 11The Transair plane was automatic controls when the meeting occurred. Capt. Christiernsson did not have time for any measures other than to report to Bulltofta and the Defense Staff, which later sent out the following com munique: " •'rhe air crew of a civil aircraft observed on Thursday at 1437 hours over the area of HRssleholm an unknown object moving in the opposite direction from the airplane. The object was observed for six to seven seconds. At that time and altitude the weather was clear. Because of the low lying cloud for mations the object is not thought to have been seen from the ground. The De fense Staff does not know o.f any Swedish plane that was in that area at the time in question. An investigation is being conducted.• "Previously I have been extremely skeptical about all the stories of mysterious objects -- called flying saucers -- that have been seen at diverse points, said the Captain. Now I don't know exactly what to think; but it did seem to me that we had seen a robot of some kind. When I first caught sight of the object, which like us was in the civil air corridor, I thought it was a jet. We had, however, received no word that any such thing was on the way. "The object came toward us at what I would say was the speed of sound; we were flying at an altitude of approximately 2,150 meters and the object was around 600 meters below us. It was going in a southwesterly direction and disappeared after six or seven seconds. •tThe object had a strong metal shine; the crew chief, Johansson, who coulc see it longer than I, thought it was almost phosphorescent. The flying weathel was excellent above the clouds, which were at an altitude of about 1500 meters, and the sun was shining brightly. The object was proceeding just above the clouds. "The first silhouette I got diagonally from the right was narrow. When it was nearly directly under us, however, I saw that it was nearly round, just slightly elliptical. "The object, which could definitely not have been a meteor, gave off no waste gases or condensation traces. 11Was I afraid? No, but curious, very curious, concluded Captain Chris tiernsson. ItChristiernsson has seen just about everything in aviation and has very good silhouette recognition. From 1942 to 1946 he was a volunteer serving in NOTE: THIS DOCUMENT CONTAINS INFORMATION AFFECTING THE NATIONAL DEFENSE OF THE UNITED STATES WITHIN THE MEANING OF THE ESPIONAGE ACT. 50 U. S. C. 3I AND 32. AS AMENDED. ITS TRANSMISSION OR THE REVELATION OF ITS CONTENTS IN ANY MANNER TO AN UNAUTHORIZED PERSON IS PROHIBITED BY LAW. IT MAY NOT BE REPRODUCED IN WHOLE OR IN PART, BY OTHER THAN UNITED STATES AIR FORCE AGENCIES, EXCEPT BY PERMISSION OF THE DIRECTOR OF INTELLIGENCE. USAF. UNCLASSIFIED IR-J2 (CLASSIFICATION) 16-56670-1 U. S. GOV£JUOtENT PlltlHTING o,JPtC:t [PAGE 3] UNCIASSIFIED AF FORM 112-PART II (CLASSIFlCATION) APPROVED I JUNE 1948 - .. GJ 'AIR INTELLIGENCE INFORMATION REPORT FROM (Aomcr) OAirA. Stockholm, Sweden REPORT NO. m.-12 PAGE OF 3 PA~ES the Royal Air Force. He finished as a captain in the British Air Force, after making some thirty raids in a Mosquito against enemy territory, in both North Africa and Italy. "Air Force Chief, General Nordenskiild, announced that it had been ascer tained that the object could not have been any Swedish aircraft. •• 'We are now investigating/' he continued, 'what our radar stations might have spotted.•" 2. Captain Christiernsson is 41 years of age and was born in sl<Rne in the souther part of Sweden. An extremely reliable source in the Royal Swedish Air Board, who was born in the same town and who is a life-long acquaintance of Capt. Christiernsson's, has stated that Christiernsson is charming and well-liked, but that he is also most wi trustworthy and was dismissed from a former position for "financial difficulty''• Dur ing the last war, Christiernsson tried to take a Swedi.sh Air Force B-18 and fly to Eng land, but was intercepted at Gothenburg and was put in jail. Although it is generally agreed in the Swedish Air Force that Captain Christiernsson is one of the best (and most discussed) pilots in Sweden today, he has never served with the RSAF except as a reserve captain. ;. Although the source above personally doubts Christiernsson•s story, the news papers report that the Defense Staff is continuing its investigation of the incident. This office is attempting to obtain further information on the occurrence. ~ Major, USAF Assistant Air Attacbe NOTE: THIS DOCUMENT CONTAINS INFORMATION AFFECTING THE NATIONAL DEFENSE OF THE UNITED STATES WITHIN THE MEANING OF THE ESPIONAGE ACT. SOU. S. C. 31 AND 32, AS AMENDED. ITS TRANSMISSION OR THE REVELATION OF ITS CONTENTS IN ANY MANNER TO AN UNAUTHORIZED PERSON IS PROHIBITED BY LAW. IT MAY NOT BE REPRODUCED IN WHOLE OR IN PART, BY OTHER THAN UNITED STATES AIR FORCE AGENCIES, EXCEPT BY PERMISSION OF THE DIRECTOR OF INTELLIGENCE. USAF. UNCIASSIFIED IR-l2 (CLASSIFICATION) 1 8-66670-1 U. S. GOYHHMl!NT PRINTING OFl'I CI
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Commento dell'AARO
In base alla quota riportata del velivolo e alla separazione relativa, la quota riportata dell'oggetto era di circa 1.550 metri (5.085 piedi). In condizioni atmosferiche standard, la velocità del suono a quella quota è di circa 748 mph.
Traduzione automatica — il documento originale è in inglese. Vedi in inglese →
Fonte: Dipartimento della Guerra degli Stati Uniti / AARO — pubblico dominio · war.gov/ufo