Breguet Br.521 Bizerte

Mathll · August 8, 2026, 9:52pm

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Hello everyone, and welcome to this new suggestion!

Today, I’d like to introduce a French Navy seaplane from the interwar period: the Breguet Br.521 Bizerte.

In 1931, the French aircraft manufacturer Breguet acquired a production license for the British Short S.8 Calcutta, a commercial flying boat developed by Short Brothers, a company later renowned for producing the famous Sunderland maritime patrol aircraft of World War II. When the French Navy issued a requirement in 1932 for a replacement for the aging CAMS 55, Breguet responded by developing a militarized version of the Calcutta. The prototype made its maiden flight in 1933, and thanks to its satisfactory performance and mature design, it was selected by the Navy as its new long-range reconnaissance aircraft.

The Breguet Br.521 entered service in early 1935 and quickly became the backbone of the French Navy’s maritime reconnaissance force. Around thirty aircraft were built, equipping five squadrons based in northern and southern France, as well as French West Africa, where they carried out long-range patrol and surveillance missions.

When World War II broke out in September 1939, every Bizerte was still in active service. During the early months of the war, the aircraft conducted numerous maritime patrols over the North Sea in search of German submarines. Although these missions did not result in any confirmed victories, they contributed to the protection of Allied shipping and coastal waters.

Following the French Armistice in June 1940, the surviving Bizertes continued to serve with the Vichy French forces. Under the terms of the armistice, however, they were stripped of their offensive capabilities and were restricted to reconnaissance and transport duties. The remaining airworthy aircraft were later seized by the Luftwaffe, which operated them for a short period before abandoning them during its retreat from France. The last surviving Bizertes were subsequently recovered by the French Air Force and, due to the post-war shortage of transport aircraft, remained in service as utility transports until 1946. They were finally retired and scrapped that same year, bringing an end to the career of one of France’s last large pre-war flying boats.

Two types of cockpit were installed on the aircraft; this is particularly noticeable in photographs, yet they are indeed the same type of aircraft.

Characteristics

Length : 20.33 m

Width : 35.13 m

Height : 7.48 m

Mass :

Empty : 9 150 kg
Max : 16 000 kg

The aircraft is powered by three 900 hp Gnome & Rhône engines, enabling it to reach a top speed of 243 km/h and a service ceiling of 6,000 m. It has a range of 2,100 km at a cruising speed of 200 km/h.

The crew consists of eight people: a pilot, a co-pilot, a navigator, a radio operator, and several gunners to operate the defensive armament.

Weapons

This seaplane’s armament is quite interesting; it boasts an impressive defensive setup that allows it to effectively fend off enemy aircraft, while also carrying enough firepower to inflict damage on ground or naval targets.

Defensive armament:

5 x 7.7mm Darne machine guns mounted in turrets around the aircraft

Offensive armament:

300 kg of bombs (4 x 75 kg bombs)

In-game, this seaplane would be a particularly interesting addition to the French tree, providing a reconnaissance aircraft with good defensive capabilities but limited offensive firepower, thereby rounding out Rank I of the French tree.

Pictures

Sources