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65_HS1-834228961_62-HQ-83894_Serial_220
FBI PDF RELEASE 2026-05-08 ⌥ 2,547 WORDS OCR

65_HS1-834228961_62-HQ-83894_Serial_220

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This document is Serial 220 from FBI case file 62-HQ-83894, released May 8, 2026. It consists of a translated letter dated March 19, 1950, sent by Miguel Angel Garcia Macias, a pianist and self-described "ideographic inventor" from Veracruz, Mexico, addressed to the "Commission of Scientific Investigation of the United States." Macias proposes a theoretical propulsion concept he calls "stratospheric aerostats," which he associates with flying saucers. The submission includes Spanish-language originals, English translations by Mrs. Sophia Saliba, hand-drawn diagrams of a conical-global craft with propeller and atomic force propulsion, and a clipping from a Mexican newspaper (El Universal, March 16, 1950) describing photographs allegedly taken by engineering student Germán Horacio Robles Jr. over Durango at approximately 9,000 feet.

The document represents unsolicited public correspondence the FBI received and filed under its broader UAP case file. It is notable primarily as an example of civilian speculation reaching federal agencies during the 1947–1950 flying saucer wave, not as evidence of an observed phenomenon. The newspaper clipping and diagrams were apparently enclosed with the letter. No FBI analytical response or disposition is visible in this serial. Redactions are minor. The document adds context to how the Bureau catalogued and retained public submissions during this period.

The FBI's 62-HQ-83894 case file includes investigative records, eyewitness testimonies, and public reports concerning Unidentified Flying Objects and flying discs documented between June 1947 and July 1968. The records include high-profile incident accounts, photographic evidence from sites like Oak Ridge, TN, and technical proposals regarding potential propulsion systems. Additional topics include convention programs, researcher accounts, and extensive media coverage from the period. This file is partially posted on FBI vault with more redactions and some pages missing. Included here is the complete case file with several newly declassified pages and only minor redactions.
⌥ 2,547 words OCR'd

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62- HQ-83894 Serials EBF 220 62-HQ-83894-EBF 220 DO NOT DESTROY FOIPA# 294932 FBI - CENTRAL RECORDS CENTER HQ - HEADQUARTERS Class / Case # Sub Vol. 0062 83894 Serial # 220 ONLY 8/11/1274164 RRP003IXG6 + ENCL BEHIND FILE 62-83844-220 Declassification authority derived from FBI Automatic Declassification Guide, issued May 24, 2007.

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MIGUEL, ANGEL GARCIA MACIAS Pianist Composer Discoverer and Ideographic Inventor No. 324 Pino Suarez Avenue VERACRUZ, Veracruz Veracruz, Veracruz March 19, 1950 To the President of the Commission of Scientific Investigation of the United States of North America New York Dear Mr. President, This is to greet you and at the same time to bring to your knowledge the STUDIES which I permit myself to send to that Honorable Commission of Scientific Investigation, because I believe that it is my duty to make them available for the deep consideration of that commission over which you so worthily preside. This deals with stratospheric aerostats (?)* or Flying** saucers as people commonly call them, and which I believe your great Nation, making use of ATOMIC force, possesses. Before giving an exposition of my IDEA, I want you to know of the Inventions which I have thought up by means of my STUDIES as an IDEOGRAPHIC Inventor, and which have been REGISTERED and PATENTED by other persons whom I do not know and which are the following: "GOTE-GRADUNS" (DROP GRADUATION?) The "Gote-Graduns" was originated when I was making studies on Atmospheric Graduations of the Earth and one afternoon it occurred to me to graduate a Dropper. The experiment did not cause me a great deal of work since I was able to graduate it with ease, but the PLANS of my IDEA were stolen from me and patented in your Nation. FRI - NEW YORK "AUTOMATIC SHOVELS" for Dump-Trucks (or Concrete-Mixers)*** APR 7 1950 The Automatic Shovels originated when a party of Workers was trying to fill a Dump-Truck in front of the Custom House of the Port. I took my watch and I was able to prove that the workers took a long time to fill the truck since it took almost an hour and a half of continuous work. Then I thought that the same Truck equipped with an Automatic Shovel could do the same work in less time. I set about drawing up the plans and I sent them to Mexico to the Secretary of National Economy. The plans remained there ** #* These words are written "aereo-astactos extratofericos". I think that the writer intended to write "aereo-estaticos estratoesfericos". The writer frequently uses capital letters when there is no apparent need for them. I have retained them in the translation. "Camiones de volteo", literally, "trucks for turning over or revolving".

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- 2 - for eight months. After that time, and after I had paid all my fees as an Inventor of the said Apparatus, I received a reply stating that the said Patent had already been given to another person whose identity I do not know • "ROOMS FOR MEASURING OPTICS" for the Examination of vision. I have this study in my possession and have not REGISTERED it since I need to prove some things in order to be able to put it into effect. "THE GRADUAL CENTIMETRIC MUSIC OF THE FUTURE" or the discovery of Sound (15) composed for PIANOMETRICS, PHONOMETRICS, CENTIMETRICS and DISCOPHONOMETRICS . I have finished this Study and the plans are in the TOWN LI BRARY of this Port, as well as the Autophonics and the Euphonics of Alphabetic Letters. The "FERROTACTOMETER and the FERROCEMACTOMETER" to eliminate Railway collisions from a DISTANCE at Road crossings. I extended this IDEOGRAPHIC INVENTION to eliminate automobile collisions on Roads, but since I do not have money I was not able to put it in PRACTICE nor to have it REGISTERED. "EXQUINOCIS" (?) of graduation, time and distance, in order to determine the distribution and division of TIME on CLOCKS of the whole World. This drawing is in the Town Library of this Port. Description of the STABILITY of SURFACE and the SUPERMEDIA (?) in order to prevent the sinking of big Transatlantic liners, guaranteeing the lives and interests of persons who travel, like those of Navigation Companies of the whole World. The graduation and Illumination of the Wharves which load large quantities of combustible materials, in order to eliminate accidents on the Wharves during the loading and unloading of the same. Study of the MULTIPLES and the SUBMULTIPIES of Mechanized gears. This study is correlated with Music since it deals with Universal mechanical gearing or the gradual Centimetric Music of the Future. "STRATOSPHERIC AEROSTATS" In this study enters Global Stability which the Globe has and Semi-Global Stability which the Parachute has. Uniting the two STABILITIBS into one, we find the superior Stability or the SUPER-STABILITY of bodies in Air or space. These apparatuses can be used in order to avoid Atomic Explosion on the Farth, since the velocity is Greater than that of Light or Sound in accordance with the quantity of Atomic Material which is used in their fabrication. These apparatuses can be thrown from the ground or from

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- 3 - the Water since the Conic-Global or Global-Conic form permits it. The force that the said apparatus can develop can be compared only with THOUGHT since this has no barriers on the earth such as mountains and clouds in Space. This apparatus can be used for the Study of the Stars. This force is applied by means of stratospheric skyrockets placed at the top or sides of this apparatus using Nuclear-Atomic force. I hope that my idea is Studied and approved by the said Commission and may serve for the Progress of the Universe instead of its DESTRUCTION, and for the good of all of us human beings who inhabit the Earth. My description is IDEOGRAPHIC, but I believe that it will be a grain of sand which will help the SCIENTIFIC INVESTIGATION of that big Nation. Cordially yours, Miguel Angel Garcia Macias Ideographic Inventor "FOR UNIVERSAL PROGRESS" Translator: Mrs. Sophia Saliba

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THE FIRST PHOTOGRAPHS OF A "FLYING SAUCER", OBTAINED IN DURANGO AT AN ALTITUDE OF 9000 FEET (Caption under photographs) Mr. German Horacio Robles Jr., student at the National School of Engineering, is one of the thousands of persons who have seen "with their own eyes" the flying saucers or disks which have become the general topic of commentaries and have given rise to the most varied hypotheses. But at the same time the young man himself is the first to have photographed those strange apparatuses. He observed one of them and was able to take its picture against the skies of the city of Durango. 1. Picture of the "flying saucer" at an altitude of 8000 to 9000 feet above the streets of Durango. The apparatus seems to be a double truncated cone, joined at its bases which moves by something like jet propulsion and which displaces itself by changing position in order to use its motive force in the direction desired, for which reason it can be seen under apparently different forms. 2. Conception of Mr. Robles Jr., concerning the real form of the strange mechanical objects drawn by him. 3• Another aspect of the flying saucer. 4. The future civil engineer, Horacio Robles Jr. sketched in our editorial offices after having reported his observations on the flying disk and after having handed over the pictures of this apparatus which he had obtained. (Page with five drawings is entitled "Wings and Propellers" Next drawing Propeller Air-Seizing Force Direction of the currents of air Catches Cuts Expels Direction of the Wings Atomic Force Vacuum Oxygen Chamber Entrance of the Air Currents Propeller Air Seizing Force Exits of the Air Currents Expulsion of Air GLOBAL-CONIC AND SEMI-GLOBAL STA BILITY Third Level 2nd Level lst Level FBI - NEW YORK APR 7 1950 Translator: Mrs. Sophia Saliba

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MIGUEL ANGEL GARCIA MACIAS. a Pianista Compositor Deacubridox 6 Inventor Ideógrafo. •Av.Pino Suarez Núm. 324. VERA CRUZ. VOT. - H. Veracruz. Ver.,n 19 do Marzo de 1950. Co. Pronidente do la Comisión de Inventigación Ciontifica de Estadoa Unidon de Norte Amexica. Nueva York. Muy apreciablo y dintinguido soñor Presidente. La presente ap para aludarlo y al mismo tiempo, para hacer do. su conocimiento sobre los ESTUDIOS que mo permito remitir a coa Honorable Cominión de vestigncion Cientifica, porque erco por oi daber ponerlos a la alta concideración do. la que usted dignamente proaide. so trata sobro los Aerdo-natacton extratofóricos o sonn los platos Voladoren como bulgarmente nombran lan gentoa y que yo cre en genn Nacion los ponce, aprovechando la fuerza aToMiCA, antos de hacer una exposicim de mi IDEA, quiero que nopa unted do toa in- ventoa que he idealizado por medio de mis ESTUDIOS como Inventor IDEOGRAFO y que han sido REGISTRADOS Y PATENTADOS por otras pero nas que yo desconosco y son los siguientes: "GOTE- GRADUNS" El Gote-Graduns nació cuando yo cataba haciendo setudios Bobie Graduaciones Admonféricas y de la Tierra y una tarde so me ocurrio graduar un Gotero el esperimento no me causó gran trabajo, puos pu- de graduarlo con facilidad, pero los PLANOS de mi IDEA mo fuoron robados y patentados en esa Nación. "INg PALAS AUTOLAGICAS" parA CAmiones do Volteo. Ins malas Auto-míticas nació cuando frento al Edificio aduann de esto Puerto una partida de Obreros trataba de llenar un oRmión de volteo, tomé mi reloj y pudo comprobar que el tiempo que demo- ravan dichos Obreros para llenar el Camión hora mucho, puca cani llegaba a una hora y modia de trabajo continuo, entonces pense que eso mismo camion dotado do un Recojedor Automático, podria hacer o1 mismo trabajo en menos tiempo,ue puno hacer loa planos y los mando a méxico a la secretaria de Economin Nacional, lon planos co- tubieron serca de ocho meses, después de dicho tiempo y de haber pagado todos mia derechos como Inventor de dicho Aparato no me contesto que dicha patente ya habia mido inda a otra persona le cual desconoaco. *LAS SALAS de OPTICA GRADUAI™ para el Examen de In vinta. Cato gatudio lo tengo en mi poder sin REGISTRAR, puca neconi- to comprobar aigunan coans, para poderlo llovar a efecto. *LA MUSICA GRADUAL CENTIMETRICA DEL FUTURO™ o son o1 descubrimiento del sonido (15) compuesto por la PIANOMETRIA. PONCHETRIA, CINTIMETRIA Y In DISCO FONCHETRIA. Bate batudio lo tengo terminado y los cuadros Bo encuentran on la BIBLIOTECA dEl PUEBLO de ceto Puerto,aní como in auto-fonin y Eufonía do ins Lotras Alfabeticas. al fronto...... ••#

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Hoja número 2. EL "FERRO TACTOMETRO Y EL FERROCIENA CTOMETRO" para evitar los choquen de lon Forrocarrilca por DISTANCIA en loa crucoa do laa Vias Gato Il VINTO IDEOGRATO l0 amplió para evitar los chogues de los Au- tos en las carretaror, paro como yo no tengo dinero no lo he podido poner en PRACTICA ni hacer el REGISTRO del mismo. "EXQUINOCIS" de graduación, tiempo y distancia, pra provient la distribucion y repartición del TIEMPO en 10a RELOJES de todo cl Mundo, cate cuadro no encuentra on in Biblioteca dol pueblo de oste Puerto. Descripción de la ESTABILIDAD de SUPERFICIZ Y In SUPER-MEDIA para evitar el undimiento de los grandes trasatanticos, garantizando vida d Interones de las personas gua viajan, asi como la de ing cias. de Navegación en todo el Mundo. In graduacion e Iluminación do los Muciles que cargen gran cantidad de Combustiblo, para evitar accidentos en los Muelles de in garga y descarga de los mismos. Ee tudio de los MULTIPLOS Y SUB-MULTIFLOS de Los engranaj ca Mecánidos,onte estudio tiene correlacion con ln Musica por del engranajo Universal mocheico o sea In Musica gradunl centimétri- ca del FUTURO. "ADROSTATOS EXIRATROSFERI COS* En ente entudio entra la Estabilidad-Global que tiene el Globo y In Entabilidad Somi-Global gud tiene 6l Paracnidas, juntando Ing don ESTABILIDADES en. una moln, encontramos In Fetabilidad superior o son lA SUPER-ISTABILIDAD de loe cuerpos en el Aire o capacio. otos aparatoa no pacdon unnr para ovitar la Exploción Atómien en la Tío cen, puesto que velocidad eo Mnyor a la de la Luz 6 el sonido de de el Agun porque la forma Global-cónien & cónica-Global no la por- mi te. In fuerza que pueden desarrolar dichos aparatos nolo no puede comparar con el PENSAMIINTO porque dete no tiene barreras en la tio- Ira como montañas y nubea en el tapeio, antor aparatos puedon emplo- perior del mismo o en lon costados, aprovechando la fuOrzA NUCLORI Atómica. bien de todos lon nerea humanos que habitamos en la tierra. Mi doncripción on IDEOGRAFICA, pero erco sorá una grano de arena que ayudará a 1a INVISTIGACION CIENTIFICA de esa gran Nación. De usted muy atentrente. *POR EL PROGRESO UNIVERSAL* El Inventor Ideografo.

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Miguel Angel farcia Macias Descubridor soares invento fr. Pino 1 3 24 Ideognafo. Veracruk. Vei al 6: residente de la Cientifica de Estados 20 NAB50-10 REO - MEXICO REO E MEXICO AEREO 20.5 AR.50-12 20-12 Nueva York

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ESTABILIDAD CÔNICA- GLUBAL SEMI-GLID

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Global y Belabilicad Semiglobal. » Conca. global 11 - 1- 6- 1-1-1 - 10. 31.

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HELUCE. CAPTO - AEREO-FUERZA. Propiedades Capta - corta y expulsa Capta Direccion de las corrientes del Gline. Corta Puer x a Culomica. Plano. Camará de Origeno Entrada de Helice las Corri- Me Capto- dereo Fuerka. Plano se ainer Centes Plano. Expulsión del - Oire

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PRESIDENTE Y GERENTE: LIC. MIGUEL LANZ DURET MEXICO, D. F., JUEVES 16 DE MARZO DE 1950 GREGORIO LOPEZ Y FUENTES NUMERO 12,096 Las Primeras Fotografías de un «Plato Volador", Logradas en Durango a Nyeve mil Pies de Altura /35 Plomo. de Plam: 19 Plans. 2i Plani BeNe OEl señor Germán Horacio Robles, Jr., pasante de la Escuela Nacional de es uno de los miles de personas que han cuta oe sus pro- tema general de los comentarios y convertido tesis. Pero al mismo tiempo es el pronio: dado que se han convertidos cine! primero esos extraños aparatos. Observó los cielos de la ciudad de Durango.- a 8,000 6 9.000 pies de altura parece un oble sobre Era dica des y pudo cantarlo cono truncado. unido nor las calles durangueñas. El aparato por algo parecido a la propulsión a chorro y que se bases que se mite te de posición para desplaza aprovechar su fuerza motivo por el cual puede vérsele con motriz en la dirección descada, cepción del señor Robles, Jr. diversas formas aparentes.-2. Con- eal de los extraños dispositivos dibujada por el él mismo acerca volador. de la forma El futuro Ingeniero civil. Horacio mananthern Otro aspecto del plato nuestras oficinas de redacción desavid Robles, Jr. informar acerca de errado en vaciones del disco volador y de entregar las gráficas del mismo aparato

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FiGura Nº 2. ASPAS HELiCES Ficura JFº3 FiGura JYº1 FiGura JF 4 FIGura Jº5

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ESTABILIDAD GLOBAL - DUNIDA SEMI - GLIBAL.