Bulgaria's national Aviation Museum in Krumovo is a branch of the National Museum of Military History, preserving military and civil aircraft, helicopters, aviation engines, equipment and armament, radio-location, photographs, uniforms, models and astronautics. The museum's current visitor page publishes public exposition hours of Wednesday–Friday 09:00–18:00 and Saturday–Sunday 09:30–18:00 from April through September, and Wednesday–Sunday 09:00–16:30 from October through March; ticket sales close 30 minutes before closing.