Engineering

Engineering and design for rotary and fixed wing aircraft

EASA Part 21J design organization delivering certified modifications, repairs and STCs.

EASA Part 21J DOA
Engineering

From a mission requirement to a certified modification

Mach Technical Design holds EASA Part 21J approval EASA.21J.401, designing and certifying changes to helicopters and fixed wing aircraft so operators can adapt them to their missions.

  • Engineers work with operators from the first requirement to the approved data.
  • Installation carried out by the group Part 145 organization.
Aircraft & scope

What we work with

Recent group projects

  • AW139 software upgrade
  • Accessory systems
  • FLIR cameras
  • Loudspeaker systems
What we do

EASA Part 21J design organization delivering certified modifications, repairs and STCs.

01

Modifications

Minor and major changes to adapt aircraft to new missions.

MinorMajor
02

Repairs

Design of certified repairs with approved data.

Repair designApproved data
03

STCs

Full Supplemental Type Certificate projects for rotary and fixed wing aircraft.

STC projectsCertification plans
04

Certification support

Documentation and compliance for authority approval.

ComplianceInstallation
How we work

Four steps, one point of contact

01

Define

Operator requirement and aircraft configuration.

02

Design

Engineering, analysis and drawings.

03

Certify

Compliance and approval under Part 21J.

04

Install

Support to the maintenance organization.