Successful Partnership with BOEING

Robust Components Produce Safe Products

The number one priority for aircraft manufacturers is the safety of the civil aircraft which can be influenced by many factors relating to the design, maintenance and operation of the aircraft.  Therefore, when a new program is under development, the aircraft manufacturers must ensure that every supplier of the components meets the strictest quality standards.

When Boeing started development of the 737 MAX, the aim was to deliver superior design, efficiency and safety to customers by using the most advanced technology from nose to tail: new engins, new windlets, new fight deck displays and the passenger-preferred interior.

The landing of this aircraft uses a number of means to come to a stop with two of the most important being the mechanical brakes and jet engine thrust reverser. The thrust reverser is considered critical for safe operations as it helps to slow down the aircraft just after touch-down, reducing wear on the brakes and enabling shorter landing distances. To avoid accidents involving thrust reversal systems, Boeing selected Crouzet to provide the proximity switches to monitor the positions of the electric thrust reverser lock system on the 737 MAX.

It took nearly three years of close cooperation between Boeing and Crouzet’s R&D teams in order to finalize the proximity switches for the 737 MAX. There are 8 proximity switches on thrust reversers per plane, 4 on each engine.

Our French partners have played a leading technological role in the huge success of the 737 program said Yves Galland, President of Boeing France.

We are happy to be recognized by Boeing as a premium provider of detection and sensing components for the new Boeing 737 Max. Further cooperation between two companies is going on. Currently, Crouzet is developing another range of proximity switches for Boeing’s new fixed wing program-777X.

Through innovative design we deliver reliable components to the most severe aerospace environments. Applications include:

Detection and Sensing

  • Flight control functions
  • Landing gear
  • Doors and actuators
  • Cargo loading systems
  • Thrust Reverser Actuation Systems TRAS
  • Download Datasheet

Crouzet certifications

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