In the context of AMC1 29.427, what does 'conservatively addresses' refer to regarding the selected load distribution?

It refers to the selected load distribution conservatively addressing the limit flight load conditions of Subpart C.

What is the amendment number associated with AMC1 29.427, and what decision introduced it?

The amendment number is Amdt No: 29/11, and it was introduced by Decision 2023/001/R.

For a load distribution that deviates from CS 29.427(b), what two types of measurements are explicitly mentioned as options to confirm the suitability of the proposed criteria?

Dedicated flight load measurements and/or wind tunnel measurements.

Which EASA decision and amendment number are cited in the header of AMC1 29.427?

Decision 2023/001/R and Amdt No: 29/11.

AMC1 29.427 Unsymmetrical loads

Q: What document supplements FAA AC 29-2C, § AC 29.427, and how should it be used when demonstrating compliance with CS 29.427?

AMC1 29.427 supplements FAA AC 29-2C, § AC 29.427 and should be used in conjunction with that AC when demonstrating compliance with CS 29.427.

Q: If the load distribution deviates from CS 29.427(b), what must the applicant provide, and what should be performed to confirm the suitability of the proposed criteria?

The applicant should provide the rationale justifying that the selected load distribution conservatively addresses the limit flight load conditions of Subpart C. Dedicated flight load and/or wind tunnel measurements should be performed to confirm the suitability of the proposed criteria.

Q: According to AMC1 29.427, what is the purpose of the rationale when the load distribution deviates from CS 29.427(b)?

The rationale should justify that the selected load distribution conservatively addresses the limit flight load conditions of Subpart C.

Q: When demonstrating compliance with CS 29.427, what is the role of FAA AC 29-2C, § AC 29.427 according to AMC1 29.427?

FAA AC 29-2C, § AC 29.427 is supplemented by AMC1 29.427 and should be used in conjunction with that AC when demonstrating compliance with CS 29.427.

Q: What is the specific reference to the flight load conditions that the selected load distribution must conservatively address in AMC1 29.427?

The limit flight load conditions of Subpart C.

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AMC1 29.427 Unsymmetrical loads

ED Decision 2023/001/R

This AMC supplements FAA AC 29-2C, § AC 29.427 and should be used in conjunction with that AC when demonstrating compliance with CS 29.427.

In case of load distribution deviating from CS 29.427(b), the applicant should provide the rationale justifying that the selected load distribution conservatively addresses the limit flight load conditions of Subpart C. Dedicated flight load and/or wind tunnel measurements should be performed to confirm the suitability of the proposed criteria.

[Amdt No: 29/11]

Details

Source-Title: AMC1 29.427 Unsymmetrical loads View latest amendments

Erulesid: ERULES-1963177438-20366 Compare versions

Domain: Initial airworthiness

Amendedby: Amendment 11

Applicabilitydate: 8 February, 2023

Entryintoforcedate: 8 February, 2023

Regulatorysource: ED Decision 2023/001/R Navigate

Regulatorysubject: CS-29

Typeofcontent: AMC to CS (Acceptable means of compliance to certification specification)

Parentir: CS 29.427 Unsymmetrical loads

Origin: EASA

Category: EAR