site.btaLow-Altitude Helicopter Flights over Sofia Scheduled Ahead of May 6 Day of Valour

Helicopters of the Bulgarian Air Force will conduct low-altitude flights over Sofia's Prince Alexander I Square on May 4-6 in preparation for a military parade marking the Day of Valour and the Bulgarian Armed Forces on May 6, the Ministry of Defence said.

The flights are scheduled as follows: from 10:00 am to 10:30 am on Sunday; from 10:30 am to 11:00 am on Monday, with backup hours from 4:00 pm to 4:30 pm; and from 10:20 am to 11:00 am on Tuesday.

For safety reasons, it is not advisable for members of the public to use drones during these time windows on the specified dates, said the Defence Ministry.