Manufacturing and sale of ejection seats
Maintenance
Development of new products and improvement of existing equipments
Customer and product support
SEM MB was created in 1959 as an equally-owned subsidiary of Snecma Group (France) and Martin-Baker Aircraft(UK).

For almost 50 years, Société d’Exploitation des Matériels Martin-Baker (SEM MB) provides the most advanced escape systems for pilots.
The most recent allow a complete parachute opening 2 seconds after initiation of ejection.
Today, SEM MB is the French specialist for ejection seat. We place our know-how at our customers’ disposal, and we offer a complete service.
Société d’Exploitation des Matériels Martin-Baker is also involved in escape systems technologies and techniques :
- Physical behaviour
- Mechanics
- Pyrotechnics
- Propulsion
- Materials and fabrics