Airframer
ProgramsBell 525 Relentless

Aircraft program

Bell 525 Relentless

In production
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Twin turboshaft super medium transport helicopter, offered with Offshore, Corporate, VVIP, and Parapublic (rescue) kits.

Lift type
Rotary wing
Assembly
Factory-built
Control
Piloted
Engine type
Turboshaft
Application
Business, Passenger small, Search & rescue, Utility

Design & construction

The aircraft as engineered: what it is built from, the systems it flies with, and its configuration — each box a theme.

Airframe & structure
Primary structure
Mixed
Landing gear
Retractable tricycle
Ice protection
Electro-thermal
Pressurisation
Unpressurised
Systems & avionics
Flight controls
Full FBW digital
Autopilot
3-axis
Avionics architecture
Integrated glass suite
Configuration & certification
Rotor configuration
Single main + tail
Certification
Part 29
Minimum crew
2

Technical reference compiled with AI research; a value appears only where two independent research passes and a web fact-check agree. Gaps are deliberate.

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Type variants

VariantLaunch / first flightProduction endNotes
Bell 525 Relentless2012 / 2015Multirole medium helicopter.

Airframer

Bell Helicopter TextronNews

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