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Our Services

AV Aerospace Ltd offers a wide range of avionics design and integration services to support UK CAA or EASA Part 21J Design Organisations in delivering Supplemental Type Certificates (STC) and minor modifications.


Avionics Integration

AV Aerospace are experts in integrating avionics systems on fixed-wing and rotary-wing aircraft.

We provide full design and engineering services to support your project, from initial conceptual design through to installation support and testing.

Our engineering team are experienced with a wide range of avionics systems and specialise with complex multi-system integration projects, such as cockpit modernisation programmes.

Recent projects include:

  • Dassault Falcon 50 Avionics Upgrade Programme;
    EFIS, Synthetic Vision System, FMS, LPV, Datalink, Satcom, CVR, ADS-B Out, Cabin Power Supply, IFE.
  • Flight Management System upgrades, including WAAS/SBAS FMS with RNP (RNAV/GPS) and LPV Approach capability.
  • Automatic Dependant Surveillance – Broadcast (ADS-B)  Out, DO-260B.
  • Enhanced Ground Proximity Warning System (EGPWS).
  • Electronic Flight Bags (EFB) and Aircraft Interface Device (AID).
  • Communications Management and Datalink, CPDLC, FANS-1/A+.

The AV Aerospace design team offers an expert level of know-how on the most complicated and intricate systems integration programmes.  Contact us to discuss  your requirements.

Cabin Systems

Our design team have been integrating IFEC systems on large commercial aircraft for years. We understand the specific requirements and challenges associated with aircraft cabin upgrades and can deliver full engineering and certification packages, partnering with a Part 21J DOA to achieve on-time, fully compliant solutions.

  • In-Flight Entertainment systems; wide-body aircraft, narrow-body aircraft, VIP aircraft.
  •  Cabin connectivity systems; Wireless/Streaming on-demand IFE.
  • T-PED Assessments.
  • USB Power Outlets.
  • In-Seat AC Power Outlets.
  • Cabin Lighting.
  • Changes to Layout of Passenger Accommodations (LOPA).
  • Galley and Lavatory integration.

Mechanical Design

AV Aerospace has in-house capability to provide mechanical design solutions for the integration of avionics systems on any airframe.

  • Equipment mounts, trays and avionics racks.
  • Integrated equipment shelves.
  • Mounting brackets.
  • Adapter plates.
  • External antenna mounting.
  • Switch panels.
  • Video Control Centres and IFE racks.
  • 3D CAD.

Design Substantiation

AV Aerospace can produce  substantiation reports to demonstrate compliance of the design solution with the latest regulatory requirements.  
  • System Safety Assessments.
  • Electrical Load Analysis.
  • Weight and Balance Assessments.
  • Human-Machine Interface Assessments.
  • Human Factors Assessments.
  •  T-PED Assessments.
  • Acceptance Test Plans.
  • Test Reports.

Certification Services

AV Aerospace can support DOAs throughout the certification process for STCs and minor modifications. Our design teams has experience with EASA Part 21J requirements and our lead engineer has previously held the post of Avionics Certification Verification Engineer (CVE). We can assist in the preparation of the following certification documentation:

  • Certification and Test Plans.
  • Compliance Checklists.
  • Compliance Reports.
  • Instructions for Continued Airworthiness.
  • Equipment Approval Assessments.



Integrated Panels

AV Aerospace can support Part 21G Production Organisation Approval (POA) in the design and production of an array of bespoke panel assemblies. 

  • Cockpit switch panels
  • Integrally illuminated panels.
  • Wiring Interface Units


Our Technical Publications capability include the production of manual supplements to incorporate new systems introduced by STCs and modifications. 

We pride ourselves in the quality of our manual supplements and can provide documentation to our own ATA-100 / iSpec 2000 in-house templates, or to the clients own specific requirements. 

We also offer publication services for Operators wishing to consolidate their manual supplements into a common format.

  • Aircraft Maintenance Manual Supplements (AMMS).
  • Wiring Diagram Manual Supplements (WDMS).
  • Illustrated Parts Catalogue Supplements (IPCS).
  • System Schematic Manual Supplements (SSMS).
  • Operations Manual Supplements (OPS).
  • Aeroplane Flight Manual Supplement (AFMS).
  • Minimum Equipment Lists (MEL).

Technical Publications

Get In Touch

We welcome any enquiries you may have regarding our services, please don’t hesitate to contact us.