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Programs › Schweizer S-333

Aircraft program

Schweizer S-333

In production
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Light single turboshaft helicopter. Marketed as Shen4T in China. Originally manufactured by Schweizer. Sold to Sikorsky in 2004. Acquired by Schweizer RSG in 2018.

Schweizer S-333
Lift type
Rotary wing
Assembly
Factory-built
Control
Piloted
Engine type
Turboshaft
Application
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
Steel tube
Landing gear
Skids
Ice protection
None
Pressurisation
Unpressurised
Systems & avionics
Flight controls
Mechanical
Autopilot
None
Configuration & certification
Rotor configuration
Single main + tail
Certification
Part 27
Minimum crew
1

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
Schweizer S-3331987 / 1988Turbine-powered variant of Schweizer 300.
Northrop Grumman RQ-8B Fire Scout1999 / 20002022An unmanned derivative of the S-333. Includes upgraded MQ-8C Fire Scout variant.

Airframer

SchweizerNewsAcquired product line from Sikorsky, Jan 2018
Shanghai Sikorsky Aircraft Company Limited

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