Bell 525 Relentless

Bell 525 Relentless
Role Medium-lift utility helicopter
National origin United States
Manufacturer Bell Helicopter
First flight 1 July 2015
Status Under development



The Bell 525 Relentless is an American medium-lift helicopter, under development by Bell Helicopter. The Bell 525 was unveiled at the 2012 Heli-Expo in Dallas, Texas in February 2012. The helicopter first flew on July 1, 2015.

Design and development

The Bell 525 is being developed to meet a requirement for a medium lift helicopter. It will be constructed primarily from composites and metal and is to be the first commercial helicopter to incorporate fly-by-wire flight controls,[1] with tactile cues. The system is triple redundant, and is developed in two simulator environments.[2] The 525 will be powered by a pair of GE CT7-2F1 turboshaft engines, with a new composite five-blade main rotor system.[3] The cost of the 525 has not yet been determined, but it is expected to be cost competitive on missions between 50 and 400 nmi, performed by helicopters such as the AgustaWestland AW139 and Sikorsky S-92.[4][5]

The Bell 525 is designed to fit the emerging "Super-Medium" size category suited ideally to support offshore oil and gas operations,[6] with 50% of the customers coming from that sector.[2] Helicopters under development in the same class are the Airbus Helicopters H175 and the AgustaWestland AW189.[3] The Bell 525's maiden flight was planned for late 2014.[7] PHI, Inc. is the launch customer for the type.[3]

After a six-month delay, the Bell 525 took its first flight on July 1, 2015. Bell expects certification in 2017.[8][9]

Specifications (Bell 525)

Data from Bell Helicopter[10][11][12]

General characteristics

Performance

Avionics

See also

Aircraft of comparable role, configuration and era

References

External links

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