A Flybe Embraer ERJ-195, registration G-FBEJ performing flight BE-4321 from Exeter, EN (UK) to Alicante, SP (Spain) with 100 passengers and 5 crew, had backtracked Exeter’s runway 26 for departure, lined up for departure and was waiting for takeoff clearance when a loud bang occurred followed by haze developing in the cabin.

• The crew initiated an emergency evacuation of the aircraft via slides.
• There were no injuries.
• The airline confirmed the aircraft was evacuated after haze developed in the cabin.