Xxxx Xx 8869692 Between Osel Island And Gulf Of Finland unidentified aerial event — an undetermined date

On or during an undetermined date, an unidentified aerial event was reported at or near Xxxx Xx 8869692 Between Osel Island And Gulf Of Finland, Finland. The surviving machine transcription does not yet yield a dependable beginning-to-end event sequence. The source text is retained in full for manual chronological reconstruction against the original scan.