High Quality Content by WIKIPEDIA articles! The Ilyushin DB-3 (for Дальний бомбардировщик - Dalniy Bombardirovschik - "long-range bomber") was a Soviet bomber aircraft of World War II. It was a twin-engined, low-wing monoplane that first flew in 1935. It was the precursor of the Ilyushin Il-4 (originally named DB-3F). 1,528 were built.