Services for Commercial Aircraft.

Comprehensive solutions tailored for the world of commercial aviation.

SERVICES

 

Certified Engineering

Advanced engineering solutions that ensure compliance, safety, and innovation for commercial aircraft.

Component sales

Aviation components designed for durability, efficiency and performance.

Consulting

Gain the competitive edge with our specialized consultancy in avionics integration, cabin interior changes and structural changes.

Project Management

Seamless execution from inception to delivery, ensuring timely and efficient completion of aviation projects.

Modifications/STC’s Sales:

Offering a vast portfolio of EASA STC’s, vital for aircraft upgrades, and over 3000 minor modifications to match aircraft operators’ need.

Most common commercial STC’s

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EMB-135LR NEW
Iridium antenna installationrev 1: maintenance interval inspections update Passenger Seats RearrangementAircraft with initial LOPA (37Y) changed due to new seats part numbers. Installation of integrated communication unit honeywell rcz-833k & pcpower system

Iridium antenna installationrev 1: maintenance interval inspections update

EASA STC no. 10078055

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Passenger Seats RearrangementAircraft with initial LOPA (37Y) changed due to new seats part numbers.

EASA STC no. 10079033

Order STC

Installation of integrated communication unit honeywell rcz-833k & pcpower system

EASA STC no. 10077485

Order STC

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Airbus A330 NEW
Cabin ModificationLateral (FWD) stowage replacement and installation of new ones Seat Track and Floor Panels Installation in A330Seat tracksand floor panels will be installed on passenger cabin Passenger Seats RearrangementPassenger seats rearrangement in the AFT cabin.

Cabin ModificationLateral (FWD) stowage replacement and installation of new ones

EASA STC no. 10079613

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Seat Track and Floor Panels Installation in A330Seat tracksand floor panels will be installed on passenger cabin

EASA STC no. 10067355

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Passenger Seats RearrangementPassenger seats rearrangement in the AFT cabin.

EASA STC no. 10077945

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B737 New
Iridium antenna installationrev 1: maintenance interval inspections update Passenger Seats RearrangementAircraft with initial LOPA (37Y) changed due to new seats part numbers. Installation of integrated communication unit honeywell rcz-833k & pcpower system

Iridium antenna installationrev 1: maintenance interval inspections update

EASA STC nº. 10078055

Order STC

Passenger Seats RearrangementAircraft with initial LOPA (37Y) changed due to new seats part numbers.

EASA STC nº. 10079033

Order STC

Installation of integrated communication unit honeywell rcz-833k & pcpower system

EASA STC nº. 10077485

Order STC

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S4A

Comprehensive solutions from design, installation, to global certification of aircraft repairs and modifications.

Cabin Interiors.

S4A specializes in arranging any required cabin interiors, blending cutting-edge technology with timeless elegance. From plush seating arrangements to state-of-the-art entertainment systems, we redefine air travel comfort. Elevate your journey with S4A, where every detail is tailored to perfection.

Structural changes and Structural repairs.

S4A is your premier destination for aircraft modification and repair services, ensuring your fleet operates at peak performance. With expert design and certification process and meticulous attention to detail, we enhance safety and efficiency with every modification. Trust S4A to elevate your aircraft’s capabilities and reliability, keeping you soaring above the rest.

Avionics modifications.

S4A performs any kind of avionics change for commercial aircraft, from a single item replacement to full avionics upgrades.

Environmental control systems.

S4A perform modifications for Air conditioning systems, Oxygen systems and water and waste systems.

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Years of Industry Excellence

 

S4A has been providing modifications for commercial aircraft for the last 17 years. From cabin interior modifications to avionics changes, S4A provides you with any certified design change covering your needs.

Years in Business

Explore our catalogue of STC’s, Supplementary Type Certificates that transform your needs into certified solutions.

MOST DEMANDED COMMERCIAL STC’s AND MINOR MODIFICATIONS.

Most demanded minor mods:

Seat cover replacement. Aircraft model: A330

Bilingual placards (several languages such as English/Arabic; English/Chinese; etc). Aircraft model: A330

Crew rest area (Class 2). Aircraft model: A330

Most demanded STC’s:

FliteByte WiFi system. Aircraft model: A320 family. EASA STC # 10070031

Aviator 700S SATCOM installation. Aircraft model: A320.
EASA STC # in progress

ADS-B out installation. Aircraft model: DO-228. EASA STC # 10080708

More than 380 customers trust us.

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