spares

At S3 AeroDefense, we specialize in supplying high-quality spare parts at competitive prices, backed by full documentation and responsive, knowledgeable support. By leveraging our expertise and extensive global network, we provide reliable parts solutions to military operators, MROs, repair stations, and distributors around the world.

spares support capabilities

  • Communication Systems: Radios, antennas, transceivers (UHF/VHF, HF, SATCOM)
  • Navigation Systems: GPS receivers, INS (inertial nav systems), TACAN, ILS
  • Indicating/Recording Systems: Flight data recorders (FDR), cockpit displays, altimeters, airspeed indicators
  • Surveillance & Mission Systems: Radar, EO/IR sensors, targeting pods, weapon management systems
  • Engines: Turboprop, turbofan, or turboshaft engines
  • APU (Auxiliary Power Units): Starters, controllers, generators
  • Engine Accessories: Fuel control units, pumps, actuators, oil systems
  • Exhaust Systems: Nozzles, ducts, suppressors
  • Fuel Tanks & Bladders
  • Fuel Pumps & Valves
  • Fuel Quantity Sensors
  • Fuel Filters & Connectors
  • Refueling Equipment: Boom systems, probes, drogues
  • Generators & Alternators
  • Transformers & Rectifiers
  • Power Distribution Units (PDUs)
  • Circuit Breakers, Relays, Contactors
  • Batteries & Inverters
  • Hydraulic Pumps (Engine-Driven/Electric)
  • Actuators (Linear, Rotary)
  • Reservoirs, Accumulators, Filters
  • Pneumatic Ducting, Valves, Compressors
  • Air Conditioning Packs
  • Bleed Air Ducting (Composite/Metallic)
  • Cabin Pressure Controllers
  • Heaters, Coolers, Heat Exchangers
  • Smoke & Fire Detection Components

Primary Controls: Elevators, rudders, ailerons (via rods, cables, actuators)

Secondary Controls: Flaps, slats, spoilers, trim tabs

Actuation Systems: Electromechanical, electrohydraulic, or fly-by-wire

Flight Control Computers (FCCs)

 

  • Landing Gear Assemblies (Main, Nose)
  • Shock Struts & Actuators
  • Brakes & Wheels
  • Tires & Anti-Skid Systems
  • Retraction/Extension Systems
  • Fuselage Sections
  • Wings, Stabilizers
  • Doors, Panels, Hatches
  • Hardpoints & Mounting Brackets
  • Insulation, Seals, Composites
  • Landing Gear Assemblies (Main, Nose)
  • Shock Struts & Actuators
  • Brakes & Wheels
  • Tires & Anti-Skid Systems
  • Retraction/Extension Systems
  • Fire/Smoke Detectors
  • Fire Extinguishing Bottles
  • Crashworthy Seats & Restraints
  • Egress Systems (Canopies, Hatches)
  • Oxygen Systems
  • Exterior Lighting: Navigation, landing, anti-collision lights
  • Interior Lighting: Cockpit, cabin, maintenance bay lights
  • NVIS-Compatible Lighting
  • Towing Equipment
  • Ground Power Units (GPU)
  • Hydraulic Test Stands
  • Maintenance Platforms
  • Ladders, Covers, Safety Locks

s3 offers OEM-certified spares for c-130, uh-60, f-16, f-18 & other essential global military aircraft

oem authorized

stocking distributor

S3 is a stocking, authorized distributor for leading OEMs, with specialized expertise in managing niche product lines. By aligning customer demand with OEM capabilities, we streamline access to critical parts across diverse platforms. Our strong OEM partnerships allow us to offer competitive pricing, responsive service, and immediate delivery—maximizing value for our customers worldwide.

S3 AeroDefense maintains in-stock inventory across key OEM product lines to support our customers’ immediate needs. Our focus is on providing high-quality, OEM-certified parts backed by responsive service and industry expertise. Whether you’re planning routine maintenance or addressing an urgent requirement, our ready-to-ship inventory ensures minimal downtime and dependable performance. Explore our current stock and see how S3 helps keep military fleets mission-ready.

parts sourcing & logistics

S3 delivers smart, responsive spare parts solutions tailored to each customer’s mission. We maintain strategic stock of high-demand and long-lead items to support urgent needs, while our global supplier network and in-house expertise allow us to source even the hardest-to-find components, including approved interchangeables that reduce cost and lead time.

From rotables and airframe structures to consumables, hardware, and Ground Support Equipment, we support nose-to-tail programs worldwide. Every order is managed with precision, from placement through delivery, with real-time status updates and customer portal access to ensure transparency, speed, and satisfaction at every step.

spares that are ready
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