Schweizer S-333 - program supplier guide | Airframer

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.

Lift type

Rotary wing

Construction

Factory-built

Control

Piloted

Engine type

Turboshaft

Application

Utility

Design & construction

Primary structure

Steel tube

Landing gear

Skids

Ice protection

None

Pressurisation

Unpressurised

Flight controls

Mechanical

Autopilot

None

Environmental control

None-unpressurised

Rotor configuration

Single main + tail

Certification

Part 27

Minimum crew

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

Variant	Launch / first flight	Production end	Notes
Schweizer S-333	1987 / 1988		Turbine-powered variant of Schweizer 300.
Northrop Grumman RQ-8B Fire Scout	1999 / 2000	2022	An unmanned derivative of the S-333. Includes upgraded MQ-8C Fire Scout variant.

Airframer

Schweizer	News	Acquired product line from Sikorsky, Jan 2018
Shanghai Sikorsky Aircraft Company Limited

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Program milestones 2 dated events

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Information on this page is compiled from a variety of published sources; links do not necessarily imply recommendation or confirmation by the airframe manufacturer.