Engine Vibration Kit For TURBOMECA Helicopters

Vibration toolkit for field inspection of all helicopter engine families produced by Turbomeca.

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Turbomeca Engine Vibration Test Kit Type 3656-A is designed for field inspection of all Turbomeca helicopter engine families. Vibration test measurements are performed according to the respective maintenance manual.

Type 3656-A has been developed by Brüel & Kjær in close collaboration with Turbomeca, a leading helicopter engine manufacturer.

The test kit comprises a vibration meter (with measurement templates for all Turbomeca engines), a high-temperature accelerometer, and a 7 m cable, all packed in a handy shoulder bag.


  • Vibration test for field inspection maintenance of aircraft engines on the ground
  • High GG speed vibration checks for Arriel 1® engines: On ground for twin-engine helicopters and in-flight for single-engine helicopters


  • Immediate and unambiguous pass/fail decisions according to engine maintenance manual instructions
  • Recording and documentation of test data according to Turbomeca requirements for easy interaction with Turbomeca Services


  • Verifies overall vibration levels in a specific frequency range during engine run-up against allowable limits
  • Message if level limitations are exceeded
  • Turbomeca templates for all engine families are included
  • Meta-data annotation according to Turbomeca requirements
  • Designed for one hand operation and simplified operator user-interface
  • Requires only one transducer and one cable
  • No computer required during measurements
  • No tachometer connection required
  • Storage of results with full annotation including the raw signal for post-processing
  • Enhanced diagnostics can be carried out after the test by postprocessing the raw time signal
  • Easy reporting, data transmission and data export to consumer software
  • Long-life rechargeable battery operation (>8 hours)