21.45—Privileges.
The holder or licensee of a type certificate for a product may—
(a)
In the case of aircraft, upon compliance with §§ 21.173 through 21.189, obtain airworthiness certificates;
(b)
In the case of aircraft engines or propellers, obtain approval for installation or certified aircraft;
(c)
In the case of any product, upon compliance with §§ 21.133 through 21.163, obtain a production certificate for the type certificated product;