Supplemental Type Certificates (STC)

Question 1

What are some of the STC holders responsibilities?

Answer 1

• Report failures, malfunctions and defects.
• Make type certificate available to FAA and NTSB board, upon request.
• Make instructions for continued airworthiness available to owner/operator
• Make required design changes to address AD’s and make them available.
• Make flight manuals supplements and supplemental flight manuals available with each alteration

Question 2

Which FAA order defines changes in type certification?

Answer 2

FAA Order 8110.4C, Chapter 4

Question 3

What does STIR stand for?

Answer 3

supplemental type inspection report

Question 4

When will the FAA issue a STC rather than a TC?

Answer 4

When the the major change for a type design of a type-certified product is not great enough to require a new TC.

Question 5

True or false: If a replacement part on a type-certified product is installed it requires an STC.

Answer 5

No STC is required for replacement parts. PMA’s are issued here instead.

Question 6

True or false: An STC may be issued by the FAA for minor changes in type-design.

Answer 6

False.

Question 7

What is an approved model list STC?

Answer 7

An approved model list STC is a multi-model approval method that allows a set of compliance
data to be designated as “baseline data” that
is applicable to various aircraft models.