On 22.09.2023 at 07:43 h from the stadium of the village of Garmen takes off helicopter Robinson R44 Raven II with registration marks LZ-RAD, owned by "Aviootryad Varna Ltd", for rebasing under the rules of visual flights to the village of Tsalapitsa. The aircraft was operated by a pilot with many years of experience, without the presence of other persons on board. During the preparation for the flight the weather in the stadium area was sunny with good visibility. However, one minute after take-off, flying north over hills with elevations 800 - 1000 m above the ground, the aircraft entered into fog and low dense cloud, hit a lone tree on the hill and stalled in a vegetated ravine. After the collision, the helicopter broke up, caught fire and burned, and the pilot died.
On November 17, 2022, the Airbus 319-111 aircraft, registration marks G-EZBV, operated by easyJet UK Limited performing ferry flight EZY9002 after base maintenance from LBSF Sofia (Bulgaria) to London/Gatwick/ EGKK with two people on board. During the climb out phase shortly after take-off, approximately 10 min after departure, at FL290 a message Cabin Altitude Warning is appeared on ECAM. The pilots levelling off around FL300 and donned their oxygen masks. The cabin altitude was rising rapidly to about 9000 ft resulting in low cabin pressure, they declared "MAYDAY" and made the decision to return to LBSF. The flight crew set squawk 7700 on the transponder and initiated an emergency descent. During the descent the cabin pressure slowly recovered and at 10500 ft reached normal values. The aircraft landed safely on runway 27. There were no consequences for the flight crew.
On July 26, 2023, the PZL M18 А “Dromader” aircraft, registration marks LZ-KEC, performed an agricultural flight (fertilization of rice crops with urea) from the landing area of Kolarovo village. At about 03:10 UTC, while performing a reconnaissance flight over the field before starting the operation, the pilot lost control of the aircraft at low altitude, stalling to the left and impacted the ground. In result of the collision with the ground surface, the aircraft was destroyed, and the pilot died.