5031N1730W ATLANTIC radar-visual unidentified-object report — December 1961

On or during December 1961, at or near 5031N1730W ATLANTIC, the source reports the following sequence: BRIEF SUMMARY OF SIGHTING: Blue-white-red-green lights sighted, moving in a scattered formation, hovering, and pulsating. Not sighted by the pilot. Radar also observed the objects. HEADING NORTHWESTERLY, FAST, SPARKING OBSERVED WHEN OBJECT CROSSED BOW FROM PORT TO STARBOARD.