Definition(s)
Special Feature
Specific additional functional capability not specifically described in the validation profile test sequences in Annex A.
Source:API SPECIFICATION 19TT, Specification for Downhole Well Test Tools and Related Equipment, First Edition, October 2016. Global Standards
Special Feature
Specific component or sub-assembly that provides a functional capability that is not validated during the validation test conducted in accordance with 6.5.
Source: API SPEC 14A, Specification for Subsurface Safety Valve Equipment, Eleventh Edition, October 2005 (Reaffirmed June 2012). Global Standards