|French seaplane carrier Foudre|
Foudre, first seaplane carrier in history, with hangar and cranes.
|Builder:||Chantiers de la Gironde, France|
|Laid down:||9 June 1892|
|Launched:||20 Oct 1895|
|Completed:||1896 (as a torpedo boat depot ship)|
|Decommissioned:||1 Dec 1921|
|Type:||Torpedo boat tender / Seaplane carrier|
|Tonnage:||6,100 tonnes (6,004 long tons)|
|Length:||118.8 m (389 ft 9 in)|
|Beam:||15.5 m (50 ft 10 in)|
|Draught:||7 m (23 ft 0 in)|
|Installed power:||12,000 shp (8,948 kW)|
|Propulsion:||Triple expansion engines, 24 boilers, 2 shafts|
|Speed:||19 knots (35 km/h)|
|Boats & landing |
|8 torpedo boats|
• 8 × 100 mm (4 in) guns|
• 4 × 65 mm (2.6 in) guns
• 2 × torpedo tubes
|Armour:||Deck : 120 mm (4.7 in)|
|Aircraft carried:||4 seaplanes after conversion|
Torpedo boat tender
She was then modified as repair ship in 1907, as a minelayer in 1910, as a seaplane carrier in 1911 (depot, transport, and launch by crane), and seaplane carrier with a flying-off deck in 1913. She was initially converted to carry torpedo-carrying planes in hangars on the main deck. They were lowered on the sea with a crane.
First seaplane carrier
In April 1910, Vice-Amiral Auguste Boué de Lapeyrère, Navy Minister, established a committee to study the usage of balloons and planes by the navy.
On November 29, 1911, a navy airbase was established at Fréjus Saint-Raphaël, and the torpedo boat tender Foudre was sent to the naval yard in Toulon to be converted as a seaplane tender. The ship was fitted out in a totally new way. A deck was installed at the bow for the seaplane to take off. The seaplane would land on the water, and be craned on board for stowing.
A float-equipped Canard Voisin seaplane was bought by the navy for this purpose in December 1911. The Foudre would be stationed at Fréjus, working as a seaplane tender, allowing for stowage, repair and supply of the seaplanes. The ship was armed on April 15, 1912, and trials with the Canard Voisin then started. On May 1, 1912, the Navy Ministry purchased several more seaplanes, a monoplane Breguet with a single float, a Nieuport with double float, and a converted Farman biplane.
Experiments at sea started with the Foudre in July 1912 during tactical exercises in the Mediterranean. The Canard Voisin, and a new foldable Nieuport were used. During the exercises, in which a wargame simulated the fight of two rival navies, the use of the Nieuport allowed the discovery of a surprise attack by the "adversary". During the summer of 1912 many flights of the Canard Voisin from the Foudre were accomplished in the bay of Saint-Raphaël.
By the middle of 1913, the navy had 11 seaplane pilots. The Foudre was again used in large-scale naval exercises. One of its planes, a Nieuport used for observations, foiled a "surprise attack" by a group of warships. Five more seaplanes were ordered following these exercises.
Liftoff platform experiments
In November 1913, a 10 meter flying-off deck was installed, with the objective of using it for a Caudron G.3 seaplane. The plane successfully lifted off from the ship on May 8, 1914. At the beginning of the war, the platform was dismantled, and further experiments were postponed to a later date.
World War I
During World War I her roles were numerous, ranging from submarine tender to seaplane/aircraft transport, and headquarters ship in 1916. She was employed as an aviation school ship after the war.
She disputes the honour of being the first seaplane carrier with HMS Hermes which was temporarily converted as an experimental seaplane carrier for two months in April–May 1913, and is more often considered as the first seaplane carrier.
|Wikimedia Commons has media related to French cruiser Foudre.|
- "The first ship to be transformed into a seaplane-carrier was the auxiliary cruiser Foudre in August 1912" (Fr: "le premier navire transformé en " porte-hydravions " est le croiseur auxiliaire Foudre en août 1912") French Defense Ministry
- "Le premier navire à être transformé en porte hydravion a été le croiseur auxiliaire Foudre en août 1911" "The first ship to be transformed into a seaplane carrier was the auxiliary cruiser Foudre in August 1911" 
- Description of Foudre
- L'avènement de l'Aviation Maritime (French)
- Les hydravions des frères CAUDRON (French)
- Les Canards de Gabriel Voisin (HTML), PDF file with images
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