Breguet Bre.4

This article is about an aircraft of World War I. For the pre-war design of the same designation, see Breguet Type IV. The Breguet Bre.4, also known variously as the Type IV and BUM, was a French biplane bomber of World War I. A fighter version of it also was produced as the BUC and BLC; some of these saw service with the British Royal Navy, which called them 'the Breguet 'de Chasse.

Breguet Bre.4

This article is about an aircraft of World War I. For the pre-war design of the same designation, see Breguet Type IV. The Breguet Bre.4, also known variously as the Type IV and BUM, was a French biplane bomber of World War I. A fighter version of it also was produced as the BUC and BLC; some of these saw service with the British Royal Navy, which called them 'the Breguet 'de Chasse.