Eirtech Aviation Services is an EASA Part21J approved Design Organisation (DOA). Our highly experienced global team is available to provide a full suite of aircraft modifications from minor to major (STC). Modifications can be provided with EASA, FAA, GCAA and CAAS approvals as required.

Why Choose Eirtech Engineering?

We have extensive experience in providing design engineering, certification and integration services for all commercial aircraft types (narrow body, wide body and regional aircraft). We work with the largest Airlines, Aircraft Leasing Companies and MRO’s globally.

We have Engineers located around the world to support projects in your time zone. We can provide EASA, FAA and GCAA approved minor and major modifications.

We can provide a turnkey solution for your aircraft transition or fleet modification programme.

We deliver on time and on budget.

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Our Design Services

Aircraft and Fleet Engineering Integration
  • Dedicated integration services to project manage complex aircraft modification programmes on narrow and wide body aircraft.
  • Integration of avionic equipment, IFE products and monuments from multiple vendors.
  • Integration of new seat models into customer aircraft.
Cabin Reconfigurations & Modifications
  • LOPA (Single to Multi Class and Multi Class to Single Class).
  • Emergency Equipment Layout / PSU / Overhead Bin Modifications.
  • Monument removals and installations.
  • IFE installations and removals.
  • Interior placard modifications and supply of placard kits.
  • Carpet and emergency escape path marking (EEPMS) modifications.
  • Burn certification compliance.
  • Cargo Fire bottle installation.
  • HF installation.
  • Installation of fixed and portable ELT, Cockpit Door Surveillance (CDSS). 
Livery Design Packages
  • Design of livery packages for new airlines, rebranding of current airline fleets.
  • Specialist expertise in developing complex livery packages.
  • Supply of livery stencil kits, external decals, registration marking kits.
Avionic Modifications
  • Avionic Suite Changes
  • Upgrade of avionic systems to comply with regulatory mandates: CPDLC, ADS-B, FANS-1/A, TCAS 7.1, 8.33KHz Spacing.
  • T-PED operation - testing and certification.
  • Pin programming, EGPWS callouts, code changes.
  • Mode S, SELCAL, ELT Reprogramming.
  • CAM Reprogramming for Airbus aircraft.


All commercial aircraft types

B737, B747, B757, B767, B777, B787

A318, A319, A320, A321, A330, A340, A350, A380

E170, E190

ATR42, ATR72

Engineering Team

Our Design Engineering team consists of a diverse mix of highly experienced Avionic, Structural and Cabin Safety engineers who have previously worked with OEM’s, Airlines, Aircraft Leasing Companies, MRO’s and other DOA’s globally.