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Bell 525 Relentless

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2+16 Pass.
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619 nm

maximum range: 1,146 km

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160 kts

Cruising speed: max. 296 km/h

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12 000 ft

maximum flight ceiling: 3 657 m

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20 500 lb

maximum takeoff weight: 9,299 kg

More data technical data
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Crafted in USA
"Set a new standard for flight with this new, 21st century aircraft".
Bell Textron

Bell 525 Relentless

New quality in the supermedium class

The Bell 525 is the world's first civilian helicopter equipped with an electronic fly-by-wire control system. This system replaces traditional mechanical controls, offering smoother and more responsive responses to pilot commands.

The advanced Garmin G5000H avionics system, complemented by two touchscreen controls, significantly affects the level of safety in all conditions, and the flight becomes pure pleasure. 


The helicopter is powered by two General Electric CT7-2F1 electronically controlled (FADEC) engines with close to 1,800 horsepower each. In the event of failure of one of them, the Bell 525 has enough power to continue safe flight on one engine. 

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Bell 525 Relentless

Exceptional versatility

Available in a luxuriously equipped passenger version of the BELL 525, it can be successfully used for business, haptops also perform well in demanding rescue, transport or military missions.

Designed to provide users with excellent visibility from the cockpit and the ability to perform a wide range of tasks.


The Bell 525 also features an advanced anti-icing system with the ability to fly in difficult and variable weather conditions. In addition, thanks to the use of modern aerodynamic solutions, the helicopter shows better stability and less noise compared to other machines of its class.

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Garmin G5000H

Garmin is setting a new standard for precision operation of navigation and communication devices. Four large high-resolution displays and two touchscreens provide the crew with all relevant information on flight parameters, helicopter systems or weather conditions. 

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Relentless

The Bell 525 Relentless, is called unprecedented for a reason, as in addition to its business use, it is also an ideal helicopter for special missions such as offshore flying. In addition, it's a helicopter capable of carrying payloads of up to 2,268 kg (5,000 pounds). 

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Fully customizable

A spacious cabin to suit your needs - the flat floor allows for quick disassembly and flexible rearrangement of the interior layout so that every mission goes smoothly and your passengers fly comfortably. The Bell 525 Relentless can accommodate up to 20 passengers like a sky cab.  

Expert section

Details

Dimensions

  • length with rotors (hangar dimension): 19.75 m (64.81 ft)
  • width with rotors (hangar dimension): 16.62 m (54.53 ft)
  • height with rotors (hangar dimension): 5.54 m (18.18 ft)
  • width (hull): 2.43 m (7.97 ft)
  • length (hull): 17.24 m (56.56 ft)
  • height (hull): 5.54 m (18.18 ft)

Weights

  • fuel volume and weight: 641 US gal
  • maximum takeoff weight (internal load): 20,500 lb (9299 kg)
  • empty helicopter weight (standard equipment): 13,825 lb (6271 kg)

Performance

  • maximum cruising speed: 160 kts (296 km/h)
  • maximum range: 619 nm (1146 km)
  • maximum horizontal flight ceiling: 12,000 ft (3657m)
  • maximum hovering height with terrain influence: 10,700 ft (3261m)
  • maximum hovering height without terrain influence: 8,100 ft (2469m)

Drive unit

  • motor: 2x General Electric GE CT7-2F1, FADEC controlled
  • Fuel: Jet A-1
  • engine power (starting): 2 x 1979 SHP
  • carrier rotor (type, diameter): five-blade, diameter 16.62 m (54.53 ft)
  • Directional rotor (type, diameter): four-bladed, diameter 3.05 m (10 ft)

Avionics

  • avionics type: Garmin G5000
  • autopilot: integrated into the FBW system, 4-axis
  • spare instruments: L3 GH-3900

Operating parameters

  • crew: 2
  • number of passenger seats: 16
  • Additional: Fly-by-Wire control system

Accessory equipment

  • Optional: HTAWS, TCAS-II, ADS-B In/Out, Flightstream 510, Weather Radio Datalink, Iridium SatCom, Weather Radar
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The Bell 525 is in a class of its own, the only helicopter in the world that is controlled by an electronic fly-by-wire system.

Magdalena Karska Director of Sales Department, Member of the Management Board