© 2018 BOSA-Thayaan.

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BTAS is a company built by embracing customer requirements. It is through collaboration with our clients that we are empowered to offer class leading service and innovation.


BTAS offer several maintenance release certifications including, EASA Part 145, FAA and TCCA.

Services that we offer include (but not limited to):

  • Transit Checks

  • Night Stops

  • Defect Rectification

  • Pre Departure Service Checks (PDSC)


  • Line "A" Checks

Please contact us today for more information regarding our services.