Aircraft cabin interior

Aircraft Cabin Interior

Designing next-generation cabin experiences.

End-to-end cabin interior engineering for commercial, business, military, and advanced air mobility platforms: lightweight, passenger-centric, and certification-ready from concept to series production.

The capability

Full-lifecycle cabin interior engineering

Our multidisciplinary team supports OEMs, Tier-1 suppliers, airlines, completion centers, and MRO organizations across the entire interior program: concept development, detailed design, structural and stress analysis, certification support, manufacturing engineering, and cabin modernization.

The result: passenger-centric cabin environments that improve comfort, optimize space utilization, lift operational efficiency, and reinforce brand identity, all delivered to stringent aerospace standards.

Aircraft cabin interior engineering

ENGINEERING

Specialisations

10

Engineering Disciplines

Cutaway illustration of an aircraft cabin interior showing seating, stowage, and systems integration
Cabin Systems
3D CAD, 2D Drawings, MEP Integration, technical publications
Composite Design
Laminate optimisation, stack and orientation design, autoclave and press lay-up definition
Structural Analysis
Linear & non-linear FEA, ultimate load analysis, fatigue, damage tolerance, topology optimisation
Ballistic Engineering
Layer stack design to STANAG 4569, NIJ, and AEP-55, integration with vehicle and aircraft armour systems
Manufacturing DFM
Manufacturability reviews, CNC programme design, jig & fixture design
Certification Support
FAA, EASA documentation, STC documentation packages, AS9100 audit evidence generation
Systems Integration
Avionics housing design, electrical harness routing, EMI/EMC shielding design, DO-160 compliance
Tooling Design
Autoclave mould design, RTM matched-die design, assembly jigs, holding fixtures
Reverse Engineering
3D laser scanning, point cloud to CAD conversion, legacy component digitization
Materials Engineering
Metallurgical evaluation, XRF spectrometry validation, composite resin characterization, failure analysis

ENGINEERING

Cabin Interiors

19

Cabin Components

Wide-angle symmetrical view of a modern aircraft cabin interior
Galleys
Structural design, MEP, load analysis
Lavatories
Structural design, MEP, FST
Overhead Bins
Structural sizing, latch mechanism design
Sidewall Panels
Lay-up design, material qualification packs
Dividers & MCDs
Mechanical design and kinematic analysis
Closets & Stowages
Structural, mechanical, and human factors design
Insulation Blankets
Thermal and acoustic design
Floor Panels
Structural analysis, weight and load calculations
Carpets
Specification and supplier qualification documents
Seat Tracks & Covers
Design to EASA CS-25 / FAR 25 seat track standards
Floor Path Marking
Layout, illumination design
Dado Panels
Composite design, bracket and attachment
Ceiling Panels
Composite lay-up and attachment design
PSU Channels & Coverings
Structural and MEP integration
Lighting Systems
Lumen calculations, fixture integration
Placards & Signage
Specification, layout, regulatory compliance
Bulkheads
Primary and secondary structural design
Window Panels
Thermal analysis, attachment design
Emergency Exit Signs
Placement analysis, regulatory submission

ENGINEERING

Galley

16

Galley Systems

Cutaway diagram of an aircraft galley complex showing chillers, stowage compartments, and cart bays
Galley Complexes
Nose, aft, and overwing
Composites
Honeycomb construction
Insert Equipment
Mounting frames and guide rails
Electrical, Water & Waste
MEP integration
Aircraft Formats
A320, B737, A330, A350, B777
Refrigeration Units
ARINC standardized air chillers
Catering Storage
ATLAS and KSSU cart compatibility
Doors and Latches
Secondary retention systems for turbulence
Cooking Appliances
Convection and steam oven inserts
Beverage Stations
Integrated coffee makers and water boilers
Task Lighting
Low-power, high-yield LED strip integration
Ventilation and Exhaust
Odor extraction and air circulation routing
Surface Finishes
Fire-retardant laminates and Tedlar coatings
Base Protection
Stainless steel kickplates and extruded bumpers
Drainage Systems
Fold-down faucets and anti-clog filters
Compliance
D6 Documents and Frame Specifications

ENGINEERING

Lavatory

16

Lavatory Systems

Cutaway diagram of an aircraft lavatory module showing the toilet, vanity, and plumbing integration
Modules
Composite structure with plumbing integration
Surface Materials
FAR 25.853 fire, smoke, and toxicity compliance
Plumbing
Vacuum flush mechanisms and gray water drainage
Retrofit Modules
Designed for cabin conversion programmes
Certification
Full STC documentation package available
Door Systems
Space-saving bi-fold or blade doors
Touchless Amenities
Sensor-activated faucets, soap dispensers, and flush
Vanity Lighting
LED wash-lighting and task illumination
Baby Changing
Fold-down, stowable composite tables
Water Heaters
Inline heating units for the sink tap
Ventilation Systems
Cabin air exhaust routing
Smoke Detection
Ceiling-mounted detectors
Flooring Pans
Anti-slip, seamless waterproof composite base pans
Accessibility Features
PRM grab bars and turning space
Amenities Storage
Secure, rattle-free compartments
Compliance
D6 Documents and Frame Specifications

ENGINEERING

Cabin Interiors · LRUs

5

LRU Types

3D render of a modular aircraft cargo container line-replaceable unit
Cargo Containers
Certified aluminum or composite ULDs (ETSO-C90)
Standard Containers
Lower and main deck contoured baggage/cargo units
Galley Trolleys
Half-size and full-size ATLAS/KSSU meal and waste carts (ETSO-C175)
Pallets & Nets
Heavy-duty restraint nets and aluminum bulk freight bases
Cabin Attendant Seats
Folding jumpseats with integrated retraction and harness mechanisms

ENGINEERING

Cabin Interiors · Retrofit

11

Retrofit Scopes

Cutaway illustration of an aircraft cabin retrofit showing overhead bins, window panels, and sidewall structure
Overhead Stowage Bins
High-capacity composite bins and assist handrails
Movable Class Dividers
Track-mounted bulkheads and custom curtain headers
Seasonal & Regional Mods
Quick-change seating, LOPA updates, and galley swaps
Full Cabin Conversions
Complete interior strip-down and density reconfigurations
VIP Conversions
Bespoke monuments, luxury finishes, and VIP seating
Cabin Lighting Upgrades
Retrofit LED mood and reading light systems
Upholstery
Ergonomic, fire-blocked bespoke upholstery
Linings
Refurbished composites with updated laminates
Carpeting & Flooring
Flame-retardant carpets and durable wet-area NTF
Certification Support
Engineering analysis and FAA/EASA compliance
STC Documentation
Full STC generation for major cabin alterations

Cabin interior solutions

Aircraft Interiors Structures

  • Mechanical Design and Development
  • Stress Analysis
  • Weight CG analysis, Flammability analysis
  • Assembly and Manufacturing drawings
  • Layout creation, Design to Cost
  • Engineering Change Management
  • Product Enhancement Support
  • Conversion From Passenger to Freighter
  • Certification Support
Aircraft Interiors Structures cabin interior

Water & Waste Systems

  • System Detail Design and Development
  • Stress Analysis
  • Retrofit support
  • Installation Design
  • Harness Design
  • Weight and Cost Optimization
  • Engineering Change management
  • Testing Support
  • Certification Support
Water & Waste Systems cabin interior

Oxygen System

  • Reliability and Maintainability
  • System Design
  • Testing support
Oxygen System cabin interior

Aircraft Seating

  • Seating Design and Development
  • Floor Layout Design
  • FEA Analysis
  • Electromechanical Control Units
  • Harness Design and Routing
  • Manufacturing Support
Aircraft Seating cabin interior

Galley

  • Detail Design and Development
  • Retrofit Support
  • Installation Design
  • Harness Design
  • Assembly and Manufacturing Drawings
  • Manufacturing Support
  • Testing Support
  • Certification Support
Galley cabin interior

Who we work with

Industries we serve

  • 01

    Commercial Aviation

    Narrow-body, wide-body, and regional aircraft cabin interior programs.

  • 02

    Business & VIP Aviation

    Premium and executive cabin design and development solutions.

  • 03

    Military Aviation

    Mission-specific cabin modifications and defense interior systems.

  • 04

    Advanced Air Mobility (AAM)

    Next-generation eVTOL and urban air mobility cabin solutions.

  • 05

    MRO & Cabin Retrofit

    Aircraft modernization, cabin refurbishment, and interior upgrade projects.

Commercial aircraft cabin interior with passenger seatsLuxury private jet interior with business passengersMilitary cargo aircraft interioreVTOL aircraft at an advanced air mobility vertiportAircraft cabin under maintenance and refurbishment

Why choose us

Engineering you can certify against

engineering

Aerospace Domain Expertise

Experienced engineers with extensive aircraft interior development knowledge.

route

End-to-End Engineering Support

From concept design through certification and production support.

groups

Multi-Disciplinary Engineering Team

Mechanical, electrical, stress, manufacturing, and technical publication specialists working together.

verified

Quality & Compliance

Engineering deliverables developed to meet stringent aerospace standards.

public

Cost-Effective Global Delivery

Flexible engagement models tailored to customer program requirements.

workspace_premium

Proven Engineering Excellence

Reliable support for complex aerospace development and cabin modernization programs.

Ready to elevate your cabin program?

Talk to our cabin interior specialists about your design, certification, or modernization requirements. We support programs from concept through series production.

Get In Touch