Document Information

Number

20-146A

Title

Methodology for Dynamic Seat Certification by Analysis for Use in Parts 23, 25, 27, and 29 Airplanes and Rotorcraft

Status

Active

Date issued

2024-11-29

Office of Primary Responsibility

AIR-600, Policy and Innovation Division

Description

This advisory circular (AC) sets forth an acceptable means, but not the only means, for demonstrating compliance with title 14, Code of Federal Regulations (14 CFR) 23.562, 23.2270, 25.562, 27.562, and 29.562, as well as technical standard order (TSO) TSO-C127, TSO-C127a, TSO-C127b, and TSO-C127c. This AC includes guidance for certifying seats by computer modeling analysis techniques that are validated by dynamic tests. This AC defines the acceptable applications, limitations, validation processes, and minimum documentation requirements involved when substantiation by computer modeling is used to support a seat certification program.

Content

• Methodology for Dynamic Seat Certification by Analysis for Use in Parts 23, 25, 27, and 29 Airplanes and Rotorcraft (PDF)

  PRINCIPAL CHANGES. This change clarifies provisions, removes redundant language, and modifies the use of the Federal Aviation Administration (FAA) Hybrid III Test Dummy. This change also updates AIR organizational designations and references to related ACs, and industry documents, as well as other minor editorial changes.