The main database contains duplicate registration numbers

[rickstaa]

Describe the bug

The main database contains the following duplicate registration numbers:

duplicate_regs.csv

Expected behaviour

I would suspect that the registration numbers are unique.

Screenshots / Live demo link

No response

Additional context

We can uncomment the following line if it is fixed:

plane-alert-db/scripts/check_main_databases.py

Lines 153 to 155 in 8449559

	# contains_duplicate_regs(
	# main_df
	# ) # NOTE: This is commented out because there are duplicates.