Engineering & Certification
Minor changes and STCs
under EASA 21J.361 DOA

Services for Airlines, MROs and Lessors

Inter-Informatics holds Design Organization Approval (DOA) EASA.21J.361 with extensive scope, and is entitled to design and implement STCs, minor changes and repairs.

 

Our Offer

We offer a full range of services, from concept to certification.

STCs and minor change approvals
ETSOs
Technical and certification consultations
Conceptual design & feasibility studies
Testing guidance and management
Repair documentation and approval

 

Why to Choose Us


Large Team

120+ experienced aerospace engineers with immense record of finished projects


 Chain of Qualified Suppliers

Research & Testing Institutes, Part 21 G Production Organisations, Part 145 Maintenance Organisations 


 Flexibility
& Fast Response 

Minor changes as well as more complex EASA STC process

Examples of Delivered Changes

  • Cabin layout reconfiguration (including VIP cabin)
  • Monument replacement and modification
  • PAX Seat replacement and modification
  • Cabin system retrofit
  • Cabin electrical harness modification
  • Emergency equipment modification
  • Floor covering change
  • Sidewall + ceiling panel modification
  • Seat cover replacement
  • Curtain and carpet replacement
  • IFE modification
  • New partition installation
  • Placard change
  • ELT installation and changes
  • Portable oxygen installation
  • Livery

 

Scope of Approval

See the Design Organization Approval in PDF > 

Changes to type design (STC or Minor changes) and repairs
Categories of products: Aeroplanes and Rotorcraft

DOA TECHNICAL FIELDS LIMITATIONS
Structure Secondary structure and simple modifications of primary structure components
Environmental Systems Installation of components of the systems and design of tubing and similar components
Electrical Systems Electrical subsystems integration and installation and electrical harness design and installation
Cabin Interiors No limitations
Galleys or Other Interiors Equipment

No limitations

Installation of Avionics Equipment No limitations
Hydro-mechanical Systems Installation of components of the systems and design of piping and similar components
Power-plant/ Fuel Systems Fuel system installation of components and design of tubing and similar components
Non-critical Engine Parts No limitations
 

Partners


Serial production
of composite parts
CZ.21G.0019 

Aircraft component maintenance services
CZ.21G.0057

Maintenance, repair and overhaul (MRO) services
EASA.145.0070

Maintenance, repair and overhaul (MRO) services
EASA.145.0021

Maintenance, repair and overhaul (MRO) services
EASA.145.0361

Maintenance, repair and overhaul (MRO) services
EE.21G.0001 

 

 

 

 

 

 

 

 

 

 

 

Selected Customers