Title: Explain the function of supplemental type certificates (STC), service bulletins (SB), and airworthiness directives (AD).
Course: Aviation Maintenance Technology I (20114-I) > Section: Interpreting Maintenance Publications, Forms, and Records

Explanation should include

- researching STCs through the FAA website
- identifying the reason STCs are issued
- identifying information presented on the STC
- identifying reasons for an AD being issued.

Process/Skill Questions:

- What is the function of ADs?
- Why would an AD be issued?
- Why would an STC be issued?