390e2192_Qs____SKYbrary_Aviation_Safety_resentative_Protocol_Questions_Description
[Rank] 95 [PQ Number] 5.421 [Description] 
Has the State developed guidelines for qualification procedures for specialized maintenance activities such as welding of aeronautical products and non-destructive testing (NDT)?
ICAO Representative Protocol Questions (PQs) - SKYbrary Aviation Safety
Description