This standard specifies the general requirements for pressure drop testing of civil aircraft fuel system accessories, classification and selection of test methods, test procedures and test result processing, etc. This standard is applicable to the pressure drop test of civil aircraft fuel system accessories whose working medium is fuel.
HB 8503-2014 Referenced Document
HB 8453-2014 General specification for fuel system accessories of civil aircraft
HB 8503-2014 history
2014HB 8503-2014 Pressure drop test methods for fuel system components of civil aircraft