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Over MOD St Athan, Vale of Glamorgan, near Cardiff, United Kingdom

South Wales Police Helicopter Encounter

A South Wales Police helicopter crew reported an unusual illuminated object while approaching MOD St Athan shortly after midnight. Contemporary news reports described an avoided collision and pursuit toward the Bristol Channel; a much later anonymous pilot account described a small translucent spher

Date2008-06-08
LocationOver MOD St Athan, Vale of Glamorgan, near Cardiff, United Kingdom
TierTier 2
Evidence Score4/10
Media Score3/10

Why This Case Matters

A useful ordinary UK test case: professional witnesses and a strong location, but a source base dominated by press reports and later testimony.

Chronology

  • ~00:40 approach to St Athan and reported encounter
  • alleged pursuit toward Bristol Channel
  • story breaks 20 Jun 2008
  • later anonymous pilot interview in 2018 adds close-range detail

The Witnesses

Pilot and two police observersnot named in public record
‘Martin’anonymous pilot identity used in 2018 account

Evidence

The following evidence types are documented for this case:

Evidenceprofessional crew report as relayed by press
Evidencelater anonymous first-person interview
Evidenceknown aircraft identity
Evidenceno object imagery or released official record

Conventional explanations: Another aircraft/drone/light near the airfield, reflection or cockpit illusion, balloon, celestial object or exaggerated/tabloid retelling. Later basketball-sized close-hover claim is difficult to test and conflicts in scale/emphasis with early reports.

What Remains Unresolved

Key Takeaways

Sources

Primary and secondary sources for this case file: