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This certificate certifies that the change in the type design for Bombardier DHC-8-300 series aircraft meets the airworthiness requirements as specified in Part 25 of the Federal Aviation Regulations,

How to fill out supplemental type certificate

How to fill out Supplemental Type Certificate

1. Identify the aircraft modification that requires a Supplemental Type Certificate (STC).
2. Gather all necessary data and documentation related to the modification, including engineering data, design drawings, and safety assessments.
3. Prepare the STC application form provided by the aviation authority, filling out required information accurately.
4. Submit the application along with the gathered documentation to the appropriate aviation authority.
5. Respond to any requests for additional information or clarification from the aviation authority during their review process.
6. Once approved, ensure that certificate holders comply with any maintenance and operational requirements stipulated by the STC.

Who needs Supplemental Type Certificate?

1. Aircraft manufacturers looking to modify existing aircraft designs.
2. Organizations or individuals modifying aircraft for commercial or private use.
3. Maintenance and repair organizations making changes that affect the aircraft's type design.
4. Aviation regulatory authorities that oversee the safety and compliance of new aircraft designs.

People Also Ask about

What is the difference between a supplemental type certificate and a 337?

An STC is an approval for a major alteration and major alterations requires a 337. If an item is a minor alteration it does not require an STC and a log book entry will do it.

How to get an STC approved?

An STC applicant submits a certification plan to the FAA that details the proposed alteration to a type-certified product and how that alteration will comply with the applicable FAA regulations and guidance material. The FAA reviews the certification plan and issues an STC project number if the plan is accepted.

What is considered a major repair in the FAA?

FAR 1 defines a Major repair as a repair that if improperly done, might appreciably affect weight, balance, structural strength, performance, powerplant operation, flight characteristics, or other qualities affecting airworthiness; or that is not done ing to accepted practices or cannot be done by elementary

What is considered a major alteration?

FAR 1 defines a major alteration as an alteration not listed in the aircraft, aircraft engine, or propeller specifications that might appreciably affect weight, balance, structural strength, performance, power plant operation, flight characteristics, or other qualities affecting airworthiness or that is not done

Is an STC always a major alteration?

Any STC is, by definition, a major alteration and also requires a 337 form.

What is a supplemental type certificate?

A supplemental type certificate ( STC ) is a type certificate ( TC ) issued when an applicant has received FAA approval to modify an aeronautical product from its original design.

What is the difference between TC and STC?

A supplemental type certificate ( STC ) is a type certificate ( TC ) issued when an applicant has received FAA approval to modify an aeronautical product from its original design.

Is an STC a major alteration?

“A Supplemental Type Certificate is an approval for a major alteration to a type certified product, i.e., an aircraft,” explained Ken Farsi, Managing Partner and President of Aerospace Design & Compliance, LLC and an FAA ODA.

For pdfFiller’s FAQs

What is Supplemental Type Certificate?

A Supplemental Type Certificate (STC) is a document issued by the Federal Aviation Administration (FAA) that approves a change to a type-certificated product, such as an aircraft, engine, or propeller, allowing for modifications or alterations that are not covered by the original type certificate.

Who is required to file Supplemental Type Certificate?

Any individual or entity that wishes to make modifications or alterations to a type-certificated product that are not part of the original design must file for a Supplemental Type Certificate with the FAA.

How to fill out Supplemental Type Certificate?

To fill out a Supplemental Type Certificate application, one must complete the appropriate forms provided by the FAA, including detailed descriptions of the proposed modifications, supporting documentation, and any required data such as engineering reports and validation test results.

What is the purpose of Supplemental Type Certificate?

The purpose of a Supplemental Type Certificate is to ensure that modifications made to type-certificated products are safe and compliant with regulatory requirements, thus maintaining the airworthiness of the aircraft or component.

What information must be reported on Supplemental Type Certificate?

Information that must be reported on a Supplemental Type Certificate includes details about the modification, technical data, installation instructions, compliance with safety regulations, and the effect of the modification on the original type design.