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AIRCRAFT PROGRAM

Leonardo AW101

Lift typeRotary wing
Construction typeFactory-built
Control typePiloted
Engine typeTurboshaft
ApplicationBusiness, Military Transport, Search & Rescue, Surveillance, Utility
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Triple turboshaft medium utility helicopter. Includes Japanese KH101, and UK Merlin MK4 variants. (Previously known as AgustaWestland, now a subsidiary of Leonardo).

Type variants

Variant Launch/First flight Production end  
Leonardo AW101 1984 / 1987 Multirole helicopter with cvil and military applications, formerly EH101.
Leonardo CH-149 Cormorant 1997 / 2000 Canadian adaption of AW101.
Kawasaki KH101 2003 / 2006 Japanese variant, includes MCH-101 countermeasure variant, and CH-101 support variant.
Leonardo US101 2005 / 2007 2009 American version of AW101, made with Lockheed Martin and Bell Textron, also known as Lockheed Martin VH-71 Kestrel.
Leonardo Merlin Mk 4 2015 / 2016 Variant made for UK RAF or RN.

View full news archive for the Leonardo AW101.

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: AgustaWestland AW101

Supply chain

  (76 links)
Materials Composites (6) Metals (2)
Components Actuation (1) Electrical Components (1) Fasteners (1) Lighting (4) Mechanical Components (6) Structural Components (2) Valves (1)
Airframe Systems Airframe Assemblies (3) Cabin Interiors (1) Cargo Systems (1) Crew Seating (2) Environmental Systems (1) Landing Assemblies (5) Safety & Security Systems (3) Weapons Systems (3)
Avionics Avionic Components (2) Communications (Airborne) (1) Flight and Data Management (1) Imaging and Visual Systems (5) Indicators and Instruments (2) Warning Systems (1)
Power Systems Auxiliary Power (1) Electrical Power Systems (3) Engine Components (1) Engines (2) Fuel Systems (5) Power Transmission (2) Rotors & Propellers (1)
Production Handling Equipment (1) Production Equipment (1)
Testing Test Equipment (1) Test Services (2)
Expand/Collapse All

Materials / Composites

Hexcel Composites Analysis Honeycomb Core Composites: Honeycomb, prepregs, composite adhesives (US101)
Kanfit Ltd Analysis Composite Structures: Composite structural parts & assemblies
Magnolia Advanced Materials, Inc. Analysis Syntactic Composites: Epoxy syntactics (US101)
Socomore (Dysol) Analysis Epoxy Resins: Precatalysed sheet moldable shim material (US101)
STELIA Aerospace North America Analysis Composite Manufacturing Services: Layup & assembly
Tods Defence Analysis Composite Sandwich Panels: Class A Structural composite assemblies; Composite Monolithic and sandwich panels

Materials / Metals

Gould Alloys Ltd. Analysis Metal & Alloy Suppliers:
Kanfit Ltd Analysis Metal & Alloy Fabrications: Sheet metal parts

Components / Actuation

Secondo Mona SpA Analysis Electromechanical Actuators: Folding system actuators

Components / Electrical Components

OGMA Analysis Wire Harnesses:

Components / Fasteners

Ateliers de la Haute Garonne AHG Analysis Solid Rivets: Aeronautical rivets (US101)

Components / Lighting

Collins Aerospace, Interiors, Lighting Systems Analysis Aircraft Interior Lighting Systems: Cockpit utility lights, IR flash light, illuminated exit & seatbelt signs, strobe lights, wing position lights, dome lights, hook bay lights, cargo compartment lights.
ECE Analysis Aircraft Exterior Lighting Systems: External lighting
Spectrolab Inc. Analysis Searchlights: SX-16 searchlight (CH-149)
Trakka Systems Analysis Searchlights:

Components / Mechanical Components

Avibank Mfg. Inc. Analysis Hinges: Ceiling panel hinge
ECE Analysis Windshield Wipers: Windshield wiper system
GKN Aerospace Analysis Ice Protection/Prevention Equipment: Rotor blade ice protection system
Midland Aerospace Analysis Manifolds & Ducts: Air Conditioning ECS ducting
Teledyne CML Composites Analysis Manifolds & Ducts: Composite ducts
Voss Industries Inc. Analysis Clamps: Clamping, coupling and ducting products (US101)

Components / Structural Components

Otto Fuchs KG Analysis Metal & Alloy Forgings: Die forgings (US101)
Teledyne CML Composites Analysis Aircraft Structural Components: Metal-to-metal bonded components (AW101)

Components / Valves

Lee Products Ltd. Analysis Hydraulic System Valves:

Airframe Systems / Airframe Assemblies

MECAER Aviation Group Analysis Aircraft & Helicopter Controllers: Mechanical flight controls
STELIA Aerospace North America Analysis Helicopter Assemblies: Sponsons
Teledyne CML Composites Analysis Fairings: Composite fairings (AW101)

Airframe Systems / Cabin Interiors

Collins Aerospace, Interiors, Lighting Systems Analysis Passenger Service Units (PSUs): PSUs, loudspeaker panels, infill panels

Airframe Systems / Cargo Systems

Onboard Systems International Inc. Analysis Cargo Systems: HEC Secondary Hook Kits

Airframe Systems / Crew Seating

Ipeco Holdings Ltd. Analysis Crew Seating: Optional crew seats (AW101)
Martin-Baker Aircraft Co. Ltd. Analysis Crashworthy Seats: Crew seats

Airframe Systems / Environmental Systems

Collins Aerospace, Actuation Systems Analysis Cooling Systems: Supplemental galley cooling system (US101)

Airframe Systems / Landing Assemblies

Collins Aerospace, Mechanical Systems - Actuation Analysis Helicopter Landing Gear: Decklock arrestor hook & shipboard securing system
Collins Aerospace, Wheels and Brakes Analysis Helicopter Wheels: Wheels & tyres; Carbon Brakes:
Héroux Devtek (APPH) Runcorn Analysis Helicopter Landing Gear: Hyraulic tricycle landing gear, with single mainwheels and steerable twin-wheel nose unit (AW101)
Héroux-Devtek Inc. Analysis Helicopter Landing Gear: Landing gear design and development
OMA Officine Meccaniche Aeronautiche SpA Analysis Brake System Components: In partnership with APPH (AW101)

Airframe Systems / Safety & Security Systems

Collins Aerospace, Sensors & Integrated Systems (Kidde) Analysis Fire Fighting/Detection Systems: Fire supression system (AW101)
GKN Aerospace Analysis Flotation Gear: Emergency flotation system
GKN Aerospace - Portsmouth Analysis Flotation Gear: Emergency flotation bags

Airframe Systems / Weapons Systems

BAE Systems plc Analysis Weapons Countermeasures: AN/ALE-47 chaff/flare dispensers (Merlin)
MES SpA Analysis Weapons Countermeasures:
Northrop Grumman Misson Systems (was Electronic Systems) Analysis Weapons Countermeasures: AN/AAQ-24(V) NEMESIS directional infrared countermeasure, or large aircraft infrared countermeasures (LAIRCM) (Merlin)

Avionics / Avionic Components

BAE Systems Platform Solutions Analysis Radar Receivers: Sky Guardian 2000 RWR (Merlin)
GE Aviation Systems - Electrical Power Analysis Instrument Panels: Control panels & lighting controllers (US101)

Avionics / Communications (Airborne)

Telephonics Corporation Analysis Onboard Intercom Systems: Secure intercommunications system (SDI)

Avionics / Flight and Data Management

CMC Electronics Inc. Analysis Flight Management Systems: CMA-9000 FMS (civil, AW101)

Avionics / Imaging and Visual Systems

Collins Aerospace, Avionics Division Analysis | News Enhanced Vision Systems (EVS): HeliSure synthetic vision system
Honeywell Aerospace Analysis Weather Mapping Radar: Weather radar (civil, AW101); RDR-1400 radar (CH-149)
L3Harris Technologies (WESCAM) Analysis Airborne Reconnaissance Infrared: MX-15 sensor turret (AW101)
Teledyne FLIR (was FLIR Systems, Inc.) Analysis FLIR Systems: Star SAFIRE NAWSAR 380-HDc (AW101)
Telephonics Corporation Analysis Reconnaissance Radar: RDR-1600 search, rescue, and weather avoidance radar (AW101)

Avionics / Indicators and Instruments

Collins Aerospace, Avionics Division Analysis | News LCD Displays: Cockpit display system (AW101)
Parker Meggitt Avionics Analysis | News Electronic Flight Instrument Systems: iSFD secondary flight display

Avionics / Warning Systems

Collins Aerospace, Avionics Division Analysis | News Terrain Awareness and Warning Systems: HeliSure H-TAWS

Power Systems / Auxiliary Power

Collins Aerospace, Power Systems Analysis Auxiliary Power Units: T-62T-40-C7EH APU

Power Systems / Electrical Power Systems

Axon Cable SAS Analysis Cable Assemblies: MIL-STD-1553 cable assemblies (US101)
Safran Electrical & Power HQ Analysis Generating Systems: AC generator
Safran Electrical & Power Sarasota Analysis Airborne Electrical Power Supplies: Electrical power generation & distribution systems (US101)

Power Systems / Engine Components

Power Systems / Engines

GE Aircraft Engines Analysis | News Turboshaft Engines: (CT7-2/4/6/8 Series - Leonardo CH-149 Cormorant - CT7-6A; Leonardo US101 - CT7-8E - )
Safran Helicopter Engines Analysis | News Turboshaft Engines: (RTM 322 - Kawasaki KH101 - RTM 322 Mk 250; Leonardo AW101 - RTM 322-02/8; Leonardo Merlin Mk 4 - RTM 322-018/048 )

Power Systems / Fuel Systems

Collins Aerospace, Engine Components Analysis Fuel Nozzles: Fuel nozzles (US101)
Eaton Ltd Analysis Fuel Tanks & Systems: Fuel system components (US101)
GKN Aerospace Analysis Fuel Tanks & Systems: Fuel bladders
Parker Meggitt Polymers & Composites HQ Analysis Fuel Tanks & Systems: Fuel barriers (US101)
Secondo Mona SpA Analysis Fuel Tanks & Systems: Fuel gauging system

Power Systems / Power Transmission

Collins Aerospace, Power & Controls - Engine Components Analysis Rotor Drives: Drive systems
Hutchinson Aerospace Analysis Mechanical Transmissions: Transmission link assembly

Power Systems / Rotors & Propellers

AVPE Systems Analysis Helicopter Rotors: Rotor shaft

Production / Handling Equipment

Breeze-Eastern Corporation Analysis Hoists: Primary and secondary hoists, and underslung load hook (CH-149)

Production / Production Equipment

Komax Laselec SA Analysis Marking Equipment: Cable & wire laser marking equipment (US101)

Testing / Test Equipment

MK Test Systems Ltd Analysis Electric/Electronic Test Equipment: Wire harness testing

Testing / Test Services

Cascade Engineering Analysis Stress Analysis: Conducted certification static stress analysis and reporting for the SAR racks
Strand Aerospace Malaysia Analysis Stress Analysis: Civil 510 static stress analysis of the foward fuselage region
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.