Created in 2013 by Claude Hamache and Brigitte Hamache, the holding Hamache DEVELOPMENT include ACH and New Design’Air.

These two entities work in the interior aircraft furnishings, upholstery, cabinetmaking and composites. The objective of the creation of this group is to have this sectors coming together to offer a comprehensive service.


With experience since 1977, ACH has become an international reference in the field of aircraft interior arrangement/layout.

ACH is certified PART 21G and PART 145 to meet the aeronautical airworthiness requirements.

Mastering perfectly the manufacturing processes, ACH leans on its expertise in upholstery to turn comfort into an absolute priority. His huge experience in business jets arrangement shapes every day its requirements. Each project is a unique achievement.

Inspired by a spirit of timeless elegance and well-being, shapes and volumes are created to match with the decor, thus respecting the interior design.

The ACH core business is the interior arrangement. We are able to manufacture and maintain all cabin equipments on airplanes and helicopter:

  • Airbus
  • Airbus Helicopters
  • ATR
  • Hawker – Beechcraft
  • Boeing
  • Bombardier
  • Cessna
  • Daher TBM
  • Dassault Falcon
  • Embraer

ACH handles programs in partnership with aerospace interiors designers, from the development of prototypes to the manufacturing of the final product installed in the cabin.

ACH works with complementary partners for engineering and certification.


ACH holds a PART 145 maintenance approval since 1998.
This agreement covers the “elements other than engines and APU” class, rating C6 “cabin finish”.
This agreement authorizes the company ACH to maintain a large number of cabin equipment in the scope of upholstery and monuments.

EASA PART 145 n° FR.145.416


ACH also holds a PART 21G certification since 2006.
The applicable category is the C1 for equipments , and C2 for the parts.
This approval allows ACH company to cover the manufacturing of cabin components.

EASA PART 21G n°FR.21G.0203