Airframer
ProgramsSikorsky S-97 Raider

Aircraft program

Sikorsky S-97 Raider

In production
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Counter-rotating coaxial rotor attack helicopter with pusher propeller. Includes variants Sikorsky-Boeing SB>1 Defiant (demonstrator), Defiant X (Future Long Range Air Assault program, FLRAA contender - not chosen) and Raider X (contender for U.S. Army's Future Attack Reconnaissance Aircraft (FARA) program - chosen). Derived from X2 technology demonstrator.

Lift type
Rotary wing
Construction
Factory-built
Control
Piloted
Engine type
Turboshaft
Application
Attack, Experimental, Surveillance

Design & construction

Primary structure
Composite
Landing gear
Retractable tricycle
Ice protection
None
Pressurisation
Unpressurised
Flight controls
Full FBW digital
Autopilot
3-axis
Avionics architecture
Integrated glass suite
Environmental control
None-unpressurised
Rotor configuration
Coaxial
Certification
Military
Minimum crew
2
Composite fuselage (primary structure) Primary

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
Sikorsky Innovations X22009 / 20102011Technology demonstrator.
Sikorsky S-97 Raider2010 / 2015Armed observation helicopter, also known as S-97A Raider.
Sikorsky-Boeing SB>1 Defiant2013 / 2019Co-axial rotorcraft with same mission computer as Boeing AH-64E.
Sikorsky Raider X2019 / Compound helicopter, for FARA Program (program cancelled in 2024).
Sikorsky-Boeing Defiant X2021 / 2021Derived from SB>1, for FLRAA Program.

Airframer

Sikorsky, a Lockheed Martin companyNews
Boeing Defense, Space & SecurityNewsDefiant variants jointly developped with Sikorsky

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Program milestones 49 dated events

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