
Manufacturer of avionics equipment: air data computers, displays and digital aircraft clocks for helicopters, airplanes and UAVs.

THOMMEN AIRCRAFT EQUIPMENT AG
4132 Muttenz (Switzerland)New on Amplifa
About Thommen Aircraft Equipment
THOMMEN AIRCRAFT EQUIPMENT AG is a Swiss manufacturer of avionics and aircraft equipment based in Muttenz. The company produces digital air data computers, air data displays such as digital encoding altimeters, digital cockpit clocks and chronometers, as well as display solutions and display modules in 2ATI and 3ATI formats. The products serve OEM equipment for new aircraft as well as the retrofit market for existing fleets. The portfolio includes, among others, the Digital Air Data Computer AC32 with vibrating-cylinder pressure sensors, the AD32 display and the STRATOTIMER 3ATI multifunction chronograph. In addition to manufacturing, Thommen offers services: inspection and recertification, repair of original parts, upgrades, reconfigurations and integration of service bulletins. The devices are used worldwide in helicopters, fixed-wing aircraft and UAVs, for civil and military applications. Production, sales and service are bundled at the Muttenz site.
- Site
- Muttenz
- Processes
- Inspection / Recertification, Repair of Original Parts, Upgrades, Reconfigurations, Integration of Service Bulletins (SB), Customized Solutions for OEM and Retrofit
- Materials
- Digital Air Data Computer AC32, Digital Air Data Display AD32, Digital Encoding Altimeter AD32 DEA80, Electronic Chronometer CM30, STRATOTIMER 3ATI Chronograph, 3ATI Multifunction Display, 3ATI High-Resolution Display Module
- Certificates
- EN 9100:2018 / AS9100 Rev. D (JISQ 9100:2016), EASA Part-21G (POA) Production Organisation Approval, EASA Part-145 Maintenance Organisation Approval, EASA Part-21 ADOA Design Organisation Approval, ETSO/TSO Authorization (ETSO-C2d, ETSO-C10b, ETSO-C46a, ETSO-C88a, ETSO-C95), EN 9100:2018 / AS9100 Rev. D, EASA Part-21G (POA), EASA Part-145, EASA Part-21 ADOA, ETSO/TSO Authorization
- Founded
- 1916
- Industries
- Aerospace, Helicopters, Fixed-Wing Aircraft, UAV, Military Aviation, Civil Aviation
- 01
Engineering and Design (ADOA)
- 02
Production (EASA Part-21G POA)
- 03
Testing and Certification (ETSO/TSO)
- 04
Sales
- 05
Maintenance and Service (EASA Part-145)
Products and Technologies
Digital Air Data Computer AC32
Measures barometric altitude and airspeed with vibrating-cylinder pressure sensors for static and dynamic pressure.
Digital Air Data Display AD32
Combines an air data computer with a digital altimeter in 3ATI format.
Digital Encoding Altimeter AD32 DEA80
Digital altimeter with extended altitude range for all aircraft categories, including above 25,000 ft.
Electronic Chronometer CM30
2ATI Swiss precision chronometer for operation under extreme environmental conditions.
STRATOTIMER 3ATI Chronograph
Multifunction aircraft clock with high-resolution TFT multifunction display for onboard time management.
3ATI Multifunction Display
Customizable cockpit multifunction display for customer-specific applications.
3ATI High-Resolution Display Module
High-resolution display module for OEM new-build and retrofit programs.
Muttenz Site

Muttenz
CHProduction, Sales, Service
Products and Components



Inside the production




Industries
Additional services
Approvals and Certifications
Production is carried out in accordance with EASA Part-21G (POA) with Production Organisation Approval; the quality management system is certified to EN 9100:2018 (AS9100 Rev. D) by SQS (Reg. 48186, valid until 03.06.2028). In addition, EASA approvals exist as a maintenance organisation (Part-145) and design organisation (Part-21 ADOA), as well as ETSO/TSO authorizations.
| Evidence | Muttenz |
|---|---|
| EN 9100:2018 / AS9100 Rev. D | |
| EASA Part-21G (POA) | |
| EASA Part-145 | |
| EASA Part-21 ADOA | |
| ETSO/TSO Authorization |
Company History
- 1916
Founding – Thommen has been supplying Swiss quality aircraft instruments for civil and military applications since 1916.