The BF110 aircraft at Hendon Museum, London The Bf 110 was an effective, highly versatile twin-engined aircraft. Outmanoeuvred by the British fighters during the Battle of Britain it was converted into a night fighter and proved to be one of the most successful put into service during World War Two. The Bf 110 was conceived as a Zerstörer, a long range escort fighter equally able to undertake defensive or offensive tasks. This high-performance, heavily-armed fighter first entered service in 1939