US twin-engine helicopter.

Function: attack

Manufacturer: Bell Helicopter

Produced: 2003 –

Rotor diameter: 15 m

Lenght: 17,75 m

Max. takeoff weight: 8391 kg

Max. speed: 370 km/h

Engine: 2 × General Electric T700-GE-401C turboshaft, 1,300 kW each

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Bell AH-1Z Viper Czech Air Force, reg. 0488, Open Days Čáslav 2025