Manises UFO incident

Case dossier

The official chronology begins before the visual report. At 20:27 UTC, Valencia tower received a call from Madrid search and rescue about an unidentified transmission on the emergency frequency 121.5 MHz. Aircraft queried at Valencia did not then hear it, although the JK297 crew later said it had heard the signal earlier while operating flight IB608 from Madrid to Ibiza. At 22:02 Barcelona Control asked JK297, now flying Palma–Tenerife, to monitor 121.5; the crew heard the transmission but could not identify it. The file treats this as a radio anomaly. Temporal overlap with the lights is not evidence that one source produced both.

At 22: 05, about 15 nautical miles south of Ibiza and climbing from flight level 230 toward 330, the crew reported two very bright red lights at roughly the ten-o'clock position and near its altitude. Early estimates in the file range from about three to five miles to roughly ten miles; a later newspaper interview offered still closer and larger impressions. These are cockpit judgments made at night without a resolved outline or measured range. Concerned about collision with what seemed a large object, the commander turned toward Valencia. The lights remained to the left until the crew lost them at 22:24 while descending toward the airport.

JK297 landed at 22: 45. Personnel outside Manises then described three unusually bright sky lights; the strongest lay east-southeast, about 20 degrees above the horizon, and appeared to flash green, red and white. The file says their later motion followed the firmament, a feature compatible with celestial sources. Two controllers also used binoculars to report navigation-like lights moving south between El Saler and La Albufera at an estimated 2,500–3,000 feet. Their estimate was visual, and those lights were not the F-1, whose reported position was then north of Calles. No radar track independently fixed the low-altitude traffic.

An F-1 from Albacete contacted the Pegaso control centre at 23:42 and was guided during the search. The pilot reported lights and radio interference but could not appreciably reduce the distance; he ended the mission at 00:57. The judge found that an apparent multiple-target report at Pegaso resulted from the discriminator display and hurried communication: operators were following JK297, not a second unknown track. The fighter radar, Pegaso, Barcelona Control and Valencia ground-controlled approach recorded no unknown-object contact. The camera was inoperative, so the sortie yielded neither a radar return nor photograph of the reported source.

The investigating judge divided the evidence into phases rather than assuming one object. For the airliner lights he discussed a reflection of the aircraft's own navigation light in ice crystals and unidentified traffic, while noting missing tests and observations. For the airport lights he regarded a celestial body—probably a planet, distorted and coloured by atmospheric scintillation—as an acceptable but not proven hypothesis. The low moving lights could have been uncontrolled aircraft or helicopters. His 28 November report says the information was insufficient to accept or reject any hypothesis categorically. A conditional passage about a single unknown craft or energy applies only if all phases were one phenomenon; it is speculation, not a finding.

Contemporary El País reporting establishes how quickly the episode became public, but also shows why press claims require checking. Its 13 November account spoke of radar detection and four Phantoms; the official file instead documents one F-1 and no unknown radar track. A 16 November interview preserves the commander's attributed impressions, not calibrated measurements. A 2000 skeptical reconstruction, summarized favourably in El Escéptico, attributed major phases to refinery flares, stars and misinterpretation. That later proposal is useful because it tests ordinary light sources, but the review does not itself publish the complete primary flare logs, geometry and meteorological chain needed to make it dispositive. The defensible result remains B / DISPUTED: multiple documented reports and a real diversion/intercept, bounded by absent radar corroboration, separated observation phases and unresolved conventional alternatives.