Engineering Services for aircraft interiors

AAR is a leader in commercial aircraft cabin and avionics upgrades, reconfigurations and modifications. Our Engineering Services team has accomplished 80+ Federal Aviation Administration (FAA) and European Union Aviation Safety Agency (EASA) supplemental type certificates (STCs), amendments and validations.

With an extensive portfolio of experience and a team of experts, we provide complete engineering, integration, certification and procurement services. AAR’s proven program management approach ensures a seamless project from start to finish, offering turnkey services to support the full cabin modification process and securing all required regulatory authority approvals.

Our certifications

Turnkey solutions for aircraft interiors

Full-service integration

Our full-service integration encompasses every aspect of aircraft interior projects, resulting in seamless coordination from initial design to final implementation.

Seat and full cabin reconfiguration
Monument (galley, lavatory, closet)
Cabin component (bins, PSUs, sidewalls)
Crew rest
Partition, divider, doghouse
Inflight Entertainment (IFE)
In-seat power systems (ISPS)
Avionics
Combi smoke barrier and cabin video monitoring systems
Custom parts and components

Engineering design

Our engineering and design services combine innovation with practicality, focusing on creating functional yet aesthetically pleasing aircraft interiors.

Conceptual designs
2D and 3D electrical and mechanical CAD drawings, schematics
Wiring and cable harnessing
3D rendering and modeling
Autocad, Inventor, Solidworks
Detailed part and component design
ICA manual development

Program management

Our meticulous approach ensures projects are completed on time and within budget, without compromising on quality.

Project, customer, supplier management
Integrated project plans
Procurement and logistics
Manufacturing and kitting
Integration and installation kits

Manufacturing and kitting

PMA Parts Manufacturing and Kitting authority
FAA approved 14 CFR Part 21.137 Quality System
ASA-100 Quality System for Distribution
Inventory management and supply chain procurement support
Dedicated kitting, QC, and procurement staff
Qualified Authorized Release Document (ARD) Inspectors

Certification and regulatory experience

STC Certification (FAA, EASA, CAA)
Minor / Major modification approvals
Foreign regulatory approvals
DER / DAR / ODA network
Ground and flight testing
80+ FAA and EASA STCs and amendments

Interior reconfigurations / cabin modifications

Our interior reconfigurations and cabin modifications are tailored to enhance both aesthetics and functionality, creating an optimal balance between passenger comfort and operational efficiency.

Part 25 and 121 evaluations of passenger seat and cabin reconfigurations
Layout of passenger accommodations (LOPA)
Interior rearrangement and cabin modifications
Seat installation and certification
Floor covering replacement
Emergency equipment layout

Structural modifications

Monument installation and replacement
Seat track and floor panel design
Structural parts and components
Attach fittings, tie rods, support assemblies
Structural substantiation
Interface loads analysis
Decompression analysis

Systems modifications

ECS integration and modifcations
Aircraft side systems modifcation (oxygen, gasper)
Mechanical systems interface
Water, waste, plumbing reconfiguration
Airflow balancing
Smoke detection
Fire suppression
C-130 toliet upgrade solution

Electrical and avionics upgrades

IFE and Wi-Fi system integration
Avionics upgrades
Passenger service systems (PSS / wPSS)
Cabin lighting
Emergency escape path lighting
Wire harness routing
Cabin interface software updates
Electrical load analysis
In-seat power systems

Maintenance, repair, and overhaul (MRO) touch labor

Our MRO touch labor services are provided by skilled technicians who ensure that every aspect of the aircraft's interior is meticulously maintained and repaired, adhering to the highest standards of quality and safety.

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