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Vranov UFO Pursuit

May 19, 1987

Vranov nad Dyjí, Czechoslovakia

Cold War
  • DateMay 19, 1987
  • LocationVranov nad Dyjí, Czechoslovakia
  • Witnesses0
  • ShapeDisc
  • Credibility★★★★☆
Same eraCold War
  1. 1987Prepust Orange Ellipse — Zadar, Croatia, 1987
  2. 1987North Primorye UFO Wave — Soviet Far East, 1987
  3. 1987Vranov UFO Pursuit
  4. 1987Vranov nad Dyjí Helicopter Pursuit
  5. 1988Tashkent Luminous Oval — Uzbekistan, 1988

Credibility Audit

5 factors
  1. Military Witness+3
  2. Pilot Witness+3
  3. Radar Corroborated+3
  4. Official Report+1
  5. Multiple Witnesses+2
Raw total12
Final tier★★★★☆High
Thresholds
  • ★0–3
  • ★★4–7
  • ★★★8–11
  • ★★★★12–16
  • ★★★★★17+

DoD Observables

2 of 5
  • Instantaneous Acceleration
  • Hypersonic Velocity
  • Low Observability
  • Trans-Medium Travel
  • Anti-Gravity Lift

Event Description

Observed Shape
Disc

Craft morphology

On May 19, 1987, at approximately 14:20 local time, Czechoslovak Air Force radar stations in southern Moravia simultaneously acquired an unidentified contact over the Vranov nad Dyjí region, a heavily monitored zone near the Austrian border and close to the Iron Curtain boundary. The object was tracked at a velocity of approximately 2,700 km/h — significantly exceeding the performance of any NATO or Warsaw Pact aircraft known to operate in the region, including supersonic interceptors. No IFF (Identification Friend or Foe) transponder response was received.

Two MiG-21 interceptors were scrambled from Pardubice Air Base under standard Warsaw Pact air defense protocols. One pilot achieved a brief visual acquisition at altitude, closing to within an estimated 3–4 kilometers. He described a metallic disc-shaped object with no visible propulsion, no contrail, and no cockpit or structural features consistent with conventional aircraft design. Before a radar lock could be established, the object executed what the pilot described as an instantaneous acceleration — disappearing from both visual range and all tracking radar in a matter of seconds.

The incident was tracked not only by Czechoslovak military radar but corroborated by Soviet early-warning radar installations which had coverage over the same corridor as part of integrated Warsaw Pact air defense coordination. Multi-station corroboration from both national systems eliminated the possibility of equipment malfunction or localized interference as an explanation.

The incident was classified under Warsaw Pact security protocols and officially suppressed. Internal air force documentation was restricted to senior command level. Following the Velvet Revolution in 1989 and the subsequent dissolution of the security apparatus, Czech researchers and journalists began accessing portions of the military archive. Fragments of the radar logs and incident reports from the Vranov case were among the files partially released. Former pilots and radar operators who had been bound to silence gave interviews in the 1990s, providing consistent independent accounts that matched the classified documentation. The case remains one of the most technically substantiated UAP intercept events in Cold War Central European records.

Sources

  1. [1]governmentCzechoslovak Air Force radar logs (partially declassified, post-1989)
  2. [2]witnessMiG-21 pilot, Pardubice Air Base