AIRCRAFT PROGRAM

Bell 525 Relentless

Photo: Bell

Lift type	Rotary wing
Construction type	Factory-built
Control type	Piloted
Engine type	Turboshaft
Application	Business, Passenger small, Search & Rescue, Utility
Final assembly	Amarillo (Rick Husband International)
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Twin turboshaft super medium transport helicopter, offered with Offshore, Corporate, VVIP, and Parapublic (rescue) kits.

Type variants

Variant	Launch/First flight	Production end
Bell 525 Relentless	2012 / 2015		Production: 0 (2025) As of November 2025 the Bell 525 remained uncertified under FAA Part 29 standards. All flight testing was completed but regression tests in the systems integration lab were still pending FAA acceptance. No deliveries occurred; first deliveries (to Eq [high]. Multirole medium helicopter.

Operations data

For detailed information about current charter operators, maintenance and training providers, and completions services for this aircraft, please consult our sister publication Business Air News: Bell 525 Relentless

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Toray Advanced Composites (U.S.A.)

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Airframer

Bell Helicopter Textron

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Other aircraft programs: Bell AH-1Z Viper, Bell UH-1Y Venom, Bell V-280 Valor, Bell FCX-001, Bell V-247 Vigilant, Bell APT 70, Bell 360 Invictus, Bell X-76

Supply chain

(55 links)

Design	Design Software (2)
Materials	Adhesives (1) Composite Materials (6) Metals (1)
Manufacturing Processes & Treatments	Manufacturing Services (1) Tooling (2)
Production Equipment, Tools & Facilities	Process & Finishing Equipment (1)
Airframe & Structures	Airframe Assemblies (5) Cargo Systems (1) Landing Assemblies (2) Structural Components (3)
Propulsion	Auxiliary Power (1) Engine Accessories & Oil (1) Engine Controls & Monitoring (1) Turbine Engines (1)
Mechanical Systems & Hardware	Actuation (1) Mechanical Hardware (3) Tubing, Hoses & Conduits (2) Valves (1)
Fluid, Fuel & Environmental Systems	Environmental Systems (1) Fluid Power (1) Fuel Systems (2)
Electrical & Electronic	Electrical Power Systems (1) Lighting (1) Terminals, Relays & Switching (1)
Avionics, Instruments & Sensors	Air Data & Flight Instruments (2) Engine & Systems Indicators (1) Imaging and Visual Systems (1)
Interiors, Safety & Crew	Furnishing & Trim (2) Safety & Emergency Systems (1)
Operations, Services & Organisations	Aircraft Operations (1)

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Toray Advanced Composites	Analysis \| News	Carbon-reinforced Composites. Note: Compression molded composite parts
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Information on this page is compiled from a variety of published sources, and links do not necessarily imply recommendation or confirmation by the airframe manufacturer.