13.17.1 All equipment to which this chapter applies
shall be of a type approved by the Administration. Such equipment
shall conform to performance standards not inferior to those adopted
by the Organization.
13.17.2 The Administration shall require that
manufacturers have a quality control system audited by a competent
authority to ensure continuous compliance with the type-approval conditions.
Alternatively, the Administration may use final product verification
procedures where compliance with the type-approval certificate is
verified by a competent authority before the product is installed
on board craft.
13.17.3 Before giving approval to navigational
systems or equipment embodying new features not covered by this chapter,
the Administration shall ensure that such features support functions
at least as effective as those required by this chapter.
13.17.4 When equipment, for which performance
standards have been developed by the Organization, is carried on craft
in addition to those items of equipment required by this chapter,
such additional equipment shall be subject to approval and shall,
as far as practicable, comply with performance standards not inferior
to those adopted by the Organizationfootnote.