Charles de Gaulle vs Foch/Sao Paulo
Charles de Gaulle vs Foch/Sao Paulo at a glance — displacement 42,500 vs 32,800 tons, length 261 vs 265 m, speed 27 vs 32 knots, crew 1,350 vs 1,338.
| Charles de Gaulle | Foch/Sao Paulo | |
|---|---|---|
| Origin | 🇫🇷 France | 🇫🇷 France |
| Category | Aircraft carrier | Aircraft carrier |
| Type | Aircraft carrier | Aircraft carrier |
| Manufacturer | DCN | DCN, St-Nazaire (France) |
| Year introduced | 2001 | 1963 |
| Number built | 1 unit | 2 units |
| Estimated unit price | $3,500 million | NA |
| Displacement | 42,500 tons | 32,800 tons |
| Maximum speed | 27.0 knots | 32.0 knots |
| Range | Unlimited | 7,500 nm at 18 knots |
| Length | 261.5 m | 265.0 m |
| Beam | 64.4 m | 51.2 m |
| Crew | 1,350 | 1,338 |
| Charles de Gaulle | Foch/Sao Paulo | |
|---|---|---|
| Armament |
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| Propulsion | 2 × Areva K15 pressurised water reactors (PWR), 150 MWt each; 2 × Alstom steam turbines with a total 61 MW (82,000 hp) shaft power; 4 × diesel-electric; 2 × shafts | 2 shafts; 4 × steam turbines; 6 × Indret boilers with a power of 126,000 shp (94,000 kW) |
Detailed Comparison
The transition from the conventional Clemenceau class to the nuclear-powered Charles de Gaulle forced a structural shift in French naval aviation. By replacing two medium-deck carriers with a single 42,500-ton platform, the Marine Nationale altered its expeditionary doctrine, trading continuous at-sea availability for heavier strike payloads and deeper interoperability with the United States Navy.
Development and Design
Foch was laid down in 1957 as a 32,800-ton conventional carrier, designed to support up to 40 aircraft. It utilized an 8-degree angled deck and two 52-meter catapults, fielding a split air wing of Super Étendard strike aircraft and F-8E Crusader interceptors. Charles de Gaulle evolved from a mid-1970s requirement into a larger, 42,500-ton hull. The newer vessel required a flight deck extension in 1999 to operate the 24-ton E-2C Hawkeye. Its air wing centers on 30 Rafale M multirole fighters, eliminating the need for dedicated interceptor and strike squadrons. Both platforms utilize CATOBAR systems, but Charles de Gaulle integrates 75-meter C13-3 catapults, allowing heavier takeoff weights and simultaneous launch and recovery operations.
Weapons and Sensors
Foch originally carried eight 100 mm gun turrets. During modernization in the 1980s, these were replaced with two 26-cell Crotale EDIR point-defense missile systems and two Sadral launchers. Charles de Gaulle incorporates a modern vertical launch architecture with 32 Sylver A-43 cells for Aster 15 surface-to-air missiles, providing a 30-kilometer interception envelope. For airborne early warning, Charles de Gaulle relies on the E-2C Hawkeye, whereas Foch operated the shorter-ranged Breguet Alizé for anti-submarine warfare and radar picket duties.
Propulsion and Performance
Foch operated six Indret boilers and four steam turbines generating 126,000 shp, pushing the 265-meter hull to 32 knots with a range of 7,500 nm at 18 knots. Charles de Gaulle employs two Areva K15 pressurized water reactors delivering 61 MW (82,000 shp) to two shafts. This reactor configuration limits the carrier to 27 knots—a 5-knot deficit compared to its predecessor. However, nuclear propulsion provides unlimited range, restricted only by aviation fuel capacity and crew provisions.
Deployment and Combat Record
Foch conducted strikes over Yugoslavia in 1999 and supported operations in Lebanon (1983) and Djibouti (1977). Its 1999 Adriatic deployment ended four months early due to catapult mechanical failures. Charles de Gaulle absorbed the entire French carrier requirement post-2001, launching strikes in Afghanistan (Operation Enduring Freedom), Libya (Operation Harmattan), and Iraq/Syria (Opération Chammal). During Chammal, the French command staff integrated directly with the US Navy, taking tactical control of Task Force 50.
Conclusion
In contested airspace against modern surface combatants, Charles de Gaulle provides higher per-sortie strike capability. Its integration of the Rafale M and E-2C Hawkeye, coupled with Aster 15 self-defense, delivers strike range and situational awareness that the Foch air wing could not achieve. However, the two-ship Clemenceau-class fleet provided continuous sea control. Relying on the single-hull Charles de Gaulle creates a 12- to 18-month gap in French carrier strike capability during nuclear refueling and scheduled refits. Charles de Gaulle operates at a higher tier of allied integration, but Foch delivered the persistence required for uninterrupted fleet presence.