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To comply with the requirements of Continued Airworthiness Overhaul Periods (TBO), Service Life Limits must be established for Hovercraft Propellers.

 

The established Time Between Overhaul (TBO) is a result of a TBO-development program.

 

TSO (Time Since Overhaul)

 

TSN (Time Since New)

 

They are expressed in hours in service and/or calendar time.

Griffon Hoverwork see it is as essential to adhere to these OEM time limits, not only to comply with the requirements of Continued Airworthiness Overhaul Periods, but the following benefits will also be gained by the operator:

  1. Prevention of in-service failure
  2. Reduction of overhaul cost
  3. Reduction in overhaul turnaround time

When the propeller time limit is reached it is essential that the propeller is sent for overhaul. Please contact Griffon Hoverwork Support Department for assistance in overseeing this overhaul process:  Support@griffonhoverwork.com

 

MT-Propeller Service Station network can be seen here:

https://mt-propeller.com/en/entw/services.htm

 

Hoffmann Propeller Service Stations can be seen here:

https://hoffmann-prop.com/en/6/Service_Stations

MT-Propeller Approved Time Limits in accordance with MT-Propeller Service Bulletin 1-1r2  https://mt-propeller.com/pdf/sbs/sb1-1r2.pdf are as follows:

Hoffmann Propeller Approved Time Limits in accordance with Hoffmann Propeller Service Bulletin SB E23 rev G are as follows: https://griffonhoverworkltd.sharefile.eu/d-s0c3c31c4e599450db032fc1d8c507083