Civil Aviation Bureau

Bilateral Aviation Safety Agreement

Bilateral Aviation Safety Agreement (BASA)

BASA is a bilateral agreement in aviation safety area which facilitates the technical assessment process of two signatory countries. For example, an importing country can avoid dupliacative inspections by accepting inspections and certifications an exporting country conducted.

BASA also includes provisions for mutual cooperation and technical assistance between the two signatory countries.

Through these activities, BASA reduces the economic burdens on aviation industries and aircraft operators.

Japan (or JCAB) concluded BASA or similar arrangements with following countries (or authorities):


  Canada / TCCA
  Brazil / ANAC
  Singapore / CAAS
  UK / CAA

Japanese version of the BASA or similar arrangements is uploaded here. Look at line 7-001, plsease.

Type Certification issued by JCAB