Transport i infrastruktura · 19/12/1994
Proposed Advisory Circular 21-20B; Supplier Surveillance Procedures
This notice announces the availability of proposed Advisory Circular (AC) 21-20B, Supplier Surveillance Procedures, for review and comments. The proposed AC 21-20B provides information and guidance concerning an acceptable means, but not the only means, of demonstrating compliance with the requirements of the Federal Aviation Regulations (FAR) Part 21, Certification Procedures for Products and Parts.