Within Tenerife UFOs
The Smaller Tenerife Cases Worth Checking
Smaller reports, including the 1968 aircraft file and 1980 Alcalá sightings, show why Tenerife was more than a backdrop.
On this page
- The 1968 Tenerife to Las Palmas aircraft file
- The 1980 Alcalá and Guía de Isora reports
- How thin local records should be judged
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Introduction
The smaller Tenerife cases are useful precisely because they are not the famous Canary Islands UFO stories. The 17 September 1968 IB-220 Tenerife to Las Palmas aircraft file shows a classic aviation report: trained crew, clear weather, a short encounter, checks with air traffic control and radar, and no firm identification. The 20 and 21 November 1980 Alcalá and Guía de Isora reports show the opposite problem: local witnesses, striking claims from the coast, but very little surviving official detail. Together, they make Tenerife more than a backdrop to the better-known island-wide cases. They show how Santa Cruz de Tenerife’s UFO history sits between serious aviation documentation and thin local testimony, where “unidentified” often means “not enough evidence”, not proof of an extraordinary craft. Diario de Avisos+3Biblioteca Virtual Defensa+3Bluebook Files[bibliotecavirtual.defensa.gob.es]bibliotecavirtual.defensa.gob.esOpen source on gob.es.
The 1968 Tenerife to Las Palmas aircraft file
The strongest small Tenerife case is the IB-220 report from 17 September 1968. The Spanish Ministry of Defence catalogue identifies it as a 14-page file on “strange phenomena” in the Canary Islands, specifically the IB-220 Tenerife to Las Palmas route, produced by the Air Operational Command and Air Staff Intelligence Section. It was later declassified in January 1993, which gives the case a firmer documentary footing than many local UFO anecdotes.[Biblioteca Virtual Defensa]bibliotecavirtual.defensa.gob.esOpen source on gob.es.
The flight was operated by Spantax on the Tenerife to Las Palmas route. According to the file summary, the incident occurred at about 21:45 while the aircraft was roughly halfway through the journey. The crew reported a luminous object on the left side of the aircraft, around 20 to 25 centimetres in apparent diameter, visible for about 45 seconds, with zig-zag movement and indistinct reddish-blue flashes. The weather was described as good and completely clear.[Bluebook Files]files.bluebookfiles.orgBluebook Files
What makes the report worth checking is not that it proves an exotic object. It is that the file records the kind of cross-checks a reader would want in an aviation case. The official summary says the flight itself continued normally, the crew accounts broadly matched, air traffic control had no record of another flight crossing the Tenerife to Las Palmas route between 21:00 and 22:00, and the Number 8 Alert and Control Squadron did not detect an unusual object on radar during the same period.[Bluebook Files]files.bluebookfiles.orgBluebook Files
That combination cuts both ways. On the positive side, this was not a single ground witness briefly seeing a light: it involved an aircraft crew, a defined route, a time window, and a military paperwork trail. On the cautious side, the radar non-detection weakens any claim that a solid, trackable craft was close to the aircraft. The file leaves a genuine “unidentified” entry, but not a strong physical case.
What the IB-220 report can and cannot support
The report’s most memorable detail is the illumination of the cabin. In the commander’s statement, the light was described as approaching at very high speed, increasing in apparent size, and illuminating the cockpit and passenger cabin with an intensity greater than the night-flight instruments. The second pilot and cabin crew also described seeing or noticing the blue or reddish-blue illumination from the left side of the aircraft.[Bluebook Files]files.bluebookfiles.orgBluebook Files
Those details make the case interesting, but they also show the limits of witness-based distance and size estimates. The reported 20 to 25 centimetres is an apparent size from inside an aircraft, not a measured diameter. The claim that the object was “not very far away” is an interpretation based on brightness and cabin illumination, not a range measurement. Without a radar return, photograph, instrument reading or independent ground triangulation, the file cannot fix the object’s distance, altitude or real size.[Bluebook Files]files.bluebookfiles.orgBluebook Files
For Tenerife’s local UFO history, the case matters because it shows official attention before the more famous mid-1970s Canary Islands flap. It also shows a pattern that recurs in later reports: a vivid luminous observation is preserved in a serious file, but the available checks do not turn it into a solved case. The most careful reading is therefore “unexplained in the record”, not “confirmed anomalous vehicle”.
The 1980 Alcalá and Guía de Isora reports
The 1980 Alcalá reports belong in a different category. The Ministry of Defence catalogue lists a file for “strange phenomena” in the Canary Islands on 20 and 21 November 1980. It is only three pages long, includes illustrations, and was declassified in November 1995. That is a much thinner official footprint than the 1968 aircraft file.[Biblioteca Virtual Defensa]bibliotecavirtual.defensa.gob.esOpen source on gob.es.
Specialist case listings place both entries at Alcalá, in Guía de Isora, at around 20:00 on 20 and 21 November 1980. They classify them as nocturnal lights and give the assessment as “insufficient information”. That is the key phrase. It does not mean the witnesses invented the story, and it does not mean the event was extraordinary. It means the surviving material was not enough to support a confident identification.[El Ojo Critico]elojocritico.infoOpen source on elojocritico.info.
Local reporting adds the human texture. A later Diario de Avisos account describes residents seeing a strange light between Tenerife and La Gomera off the coast of Alcalá. It also says El Día later reported testimony about two series of unusually large waves in an otherwise calm sea, with speculation that something may have entered or left the water. The Air Force reportedly took an interest but did not find a convincing answer.[Diario de Avisos]diariodeavisos.elespanol.comDiario de Avisos“Cuando viramos hacia ella, la luz desapareció rumbo a Tenerife”Diario de Avisos“Cuando viramos hacia ella, la luz desapareció rumbo a Tenerife”
That is exactly where caution is needed. The story is vivid, coastal and memorable, but it rests on local witness accounts and brief official traces rather than a substantial investigation file. The sea-wave element is especially hard to judge from the surviving public material. Without tide data, meteorological records, harbour observations, photographs, multiple independent timings or a detailed official inquiry, it should be treated as part of the local sighting tradition rather than as a demonstrated physical event.
Why Tenerife’s smaller cases differ from the famous Canary sightings
The larger Canary Islands UFO cases of the 1970s are often discussed because they involved multiple islands, military observers, ships, radar stations or photographs. Later sceptical work by Vicente-Juan Ballester Olmos, Ricardo Campo Pérez and others argued that several spectacular Canary sightings, including the famous 1974, 1976 and 1979 events, match US Navy Poseidon missile tests and the visual effects of high-altitude rocket plumes.[Academia]academia.eduPDF) Identificados: Los OVNIS de Canarias fueron misiles PoseidonPDF) Identificados: Los OVNIS de Canarias fueron misiles Poseidon
The Tenerife cases on this page do not fit that same evidential pattern. The 1968 IB-220 report is aviation-centred and comparatively well documented, but it is brief, lacks a radar return and does not have the wide-area corroboration that made the major Canary cases so prominent. The 1980 Alcalá reports are local and coastal, but the official file is extremely short and later case indexes simply classify the information as insufficient.[Bluebook Files+2Biblioteca Virtual Defensa]files.bluebookfiles.orgBluebook FilesBluebook Files
This difference matters because it prevents two common mistakes. The first is to inflate every Tenerife light into part of the same dramatic island-wide mystery. The second is to dismiss the smaller reports as worthless because they lack a spectacular solution. The better position is in between: the IB-220 file is a serious unresolved aviation report; the Alcalá material is a weakly documented local cluster; both help explain why Tenerife kept appearing in Canary UFO discussions without proving a single overarching cause.
How thin local records should be judged
A useful way to judge these smaller Tenerife cases is to ask what kind of record survives. The IB-220 file has named institutional handling, a defined aircraft route, crew statements, weather notes, traffic checks and a radar-control check. The Alcalá file has an official catalogue entry and local press memory, but much less public detail. That difference should shape how much confidence readers place in each case. Diario de Avisos+3Biblioteca Virtual Defensa+3Bluebook Files[bibliotecavirtual.defensa.gob.es]bibliotecavirtual.defensa.gob.esOpen source on gob.es.
Three practical tests help separate a solid unresolved case from a thin one:
- Was there a precise time and place? IB-220 has both; Alcalá has approximate local reports around two evenings.
- Were there independent checks? IB-220 includes air traffic and radar checks; the public Alcalá material does not show equivalent technical corroboration.
- Did later analysis add or subtract strength? The 1968 case remains interesting because the official checks did not identify a mundane aircraft, but the radar silence also limits stronger claims. The 1980 Alcalá reports remain locally notable, but “insufficient information” is a weak final status, not a mystery badge.[Bluebook Files]files.bluebookfiles.orgBluebook Files
The fairest conclusion is that Tenerife’s smaller UFO record is historically useful but uneven. The 1968 aircraft file deserves attention as a compact, official aviation case with credible witnesses and unresolved features. The 1980 Alcalá and Guía de Isora reports deserve mention as part of the island’s local sighting cluster, but they should not be treated as strong evidence without better underlying documentation. Within the Santa Cruz de Tenerife UFO history, their value is comparative: they show how the province’s record ranges from serious operational reporting to fragile local memory, and why each case has to be weighed on its own evidence rather than absorbed into the legend of the Canary Islands as a whole.
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Endnotes
1.
Source: files.bluebookfiles.org
Title: Bluebook Files
Link:https://files.bluebookfiles.org/pdfs/1968.00%20-%20NARA%20-%20SpanishUFOFiles%20-%201968-09-17_avistamiento_en_tenerife-las_palmas.pdf
2.
Source: academia.edu
Title: (PDF) Identificados: Los OVNIS de Canarias fueron misiles Poseidon
Link:https://www.academia.edu/16027101/Identificados_Los_OVNIS_de_Canarias_fueron_misiles_Poseidon
3.
Source: academia.edu
Link:https://www.academia.edu/43047669/Los_gigantes_de_G%C3%A1ldar_y_los_avistamientos_canarios
4.
Source: academia.edu
Title: La Monografia de Antonio Munaiz Ferro Sastre
Link:https://www.academia.edu/31516261/La_Monografia_de_Antonio_Munaiz_Ferro_Sastre
5.
Source: academia.edu
Title: Bromas útiles
Link:https://www.academia.edu/43202902/Bromas_%C3%BAtiles
6.
Source: tenerife.es
Link:https://www.tenerife.es/AforoNetWeb/Web/IMDs/listarIMD.aspx
7.
Source: bibliotecavirtual.defensa.gob.es
Link:https://bibliotecavirtual.defensa.gob.es/BVMDefensa/es/consulta/busqueda_referencia.do?campo=idtitulo&idValor=3454467
8.
Source: bibliotecavirtual.defensa.gob.es
Link:https://bibliotecavirtual.defensa.gob.es/BVMDefensa/es/consulta/registro.do?control=BMDB20160070644
9.
Source: diariodeavisos.elespanol.com
Title: Diario de Avisos“Cuando viramos hacia ella, la luz desapareció rumbo a Tenerife”
Link:https://diariodeavisos.elespanol.com/2016/10/cuando-viramos-hacia-la-luz-desaparecio-rumbo-tenerife/
10.
Source: elojocritico.info
Link:https://elojocritico.info/los-archivos-ovni-del-ejercito-del-aire-desglosados-quien-que-como/
11.
Source: diariodeavisos.elespanol.com
Title: ejercito desclasifica expedientes ovni canarias
Link:https://diariodeavisos.elespanol.com/2016/10/ejercito-desclasifica-expedientes-ovni-canarias/
12.
Source: bibliotecavirtual.defensa.gob.es
Title: defensa.gob.es Listado de títulos
Link:https://bibliotecavirtual.defensa.gob.es/BVMDefensa/exp_ovni/es/consulta/indice_campo.do?campo=idtitulo
13.
Source: bibliotecavirtual.defensa.gob.es
Title: defensa.gob.es Title list
Link:https://bibliotecavirtual.defensa.gob.es/BVMDefensa/exp_ovni/en/consulta/indice_campo.do?campo=idtitulo
14.
Source: es.scribd.com
Title: 1968 09 17 Avistamiento en Tenerife las Palmas
Link:https://es.scribd.com/document/328552340/1968-09-17-Avistamiento-en-Tenerife-las-Palmas
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Source: exociencias.wordpress.com
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Source: itsup.edu.ec
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Additional References
17.
Source: youtube.com
Title: Scientific curiosities: A UFO in the Canary Islands
Link:https://www.youtube.com/watch?v=0TrYYlOS294
Source snippet
Ep. 10 | The Basement Office | UFO sightings with aliens | Close Encounters | New York Post...
18.
Source: youtube.com
Link:https://www.youtube.com/watch?v=HR9esLdArkQ
Source snippet
1976 Canary Island - UFO Presented by Michael Schratt...
19.
Source: youtube.com
Title: Tenerife’s Strangest Valley – UFOs, Lost Time & The Girl with the Pears
Link:https://www.youtube.com/watch?v=i1H7GTu2RXI
Source snippet
50 Years Since the Alleged UFO Sighting in Gran Canaria...
20.
Source: youtube.com
Title: 50 Years Since the Alleged UFO Sighting in Gran Canaria
Link:https://www.youtube.com/watch?v=Gst0twR_J-A
Source snippet
Scientific curiosities: A UFO in the Canary Islands - Laika Orbit - La 2...
21.
Source: instagram.com
Link:https://www.instagram.com/p/DLpQNbpow46/
22.
Source: instagram.com
Link:https://www.instagram.com/4columnsmag/?hl=en
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Source: facebook.com
Link:https://www.facebook.com/groups/2223654624519773/posts/4082095972008953/
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Source: facebook.com
Link:https://www.facebook.com/groups/urlaubkanaren/posts/2030665257094717/
25.
Source: facebook.com
Link:https://www.facebook.com/100091133470117/videos/avistamiento-de-onvi-en-1992-en-abades-tenerife/1026509842154103/
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Source: uniliber.com
Link:https://www.uniliber.com/buscar/libros_ordenado_por_autor-a-z?rows=500&titulo=HUELVA
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