Other FAA Documents

Which of the following is true of SAIBs?

They provide non-binding guidance when an AD is not needed.

A Group II Aircraft Specification typically applies to what type of product?

Domestic products built between 1927 and 1938 without formal type certification

What does a Type Certificate Data Sheet (TCDS) provide that is critical for airworthiness certification?

Operating limitations and configuration specifications

In what scenario might an AMOC be most appropriate?

When a different but equally safe maintenance method is known.

How does the AC numbering format "25-42-C" convey regulatory context?

It shows subject matter area, sequence, and revision letter.

Why is possession of an STC not enough to perform a modification?

Permission from the STC holder is needed to access supporting data.

Why must a technician be familiar with the TCDS for each aircraft they service?

To verify the aircraft matches its certified specifications and limitations.

Why might an Advisory Circular be considered non-binding to the public?

It is only binding if incorporated by reference into a regulation.

Which group of Aircraft Specifications covers engines rated for use on very light aircraft only?

Group IV

What does the certification basis section of an STC help determine?

Compatibility with future modifications or additional STCs.

What authority does an STC grant a technician or operator?

FAA-approved authorization to modify a type-certificated product.

Which condition must be met before using an AMOC in place of an AD directive?

It must offer equivalent safety and be FAA-approved.

What distinguishes Emergency ADs from other AD types?

They require immediate action before public notice.

Why must maintenance technicians regularly review ADs?

To avoid operating noncompliant aircraft or components.

Why are Aircraft Specifications still valid for certain aircraft?

They were issued before TCDS and remain recognized for airworthiness.

What is the primary difference between an SAIB and an AD?

SAIBs are informational, while ADs are legally enforceable.

What role does the TCDS play under 14 CFR §21.41?

It officially documents that a product is type-certificated.

What document may a technician consult to find ADs by aircraft model or part number?

The Federal Register or Regulatory and Guidance Library

What primary purpose do Advisory Circulars (ACs) serve in the FAA's regulatory framework?

To provide guidance on acceptable methods for regulatory compliance.

Under which regulation are Airworthiness Directives legally enforceable?

14 CFR Part 39