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United States Department of Transportation United States Department of Transportation

AC 20-181 - Airworthiness Approval of Attitude Heading Reference System (AHRS) Equipment

Document Information

Number
20-181
Title
Airworthiness Approval of Attitude Heading Reference System (AHRS) Equipment
Status
Active
Date issued
2014-04-07
Office of Primary Responsibility
AIR-130, Aviation Safety - Aircraft Certification Service, Aircraft Engineering Division
Description

This advisory circular (AC) supplements existing airworthiness approval guidance for attitude heading reference system (AHRS) articles approved under technical standard order (TSO)?C201, Attitude Heading Reference System, or later revisions. TSO-C201 includes performance standards for non-gimbaled attitude, heading, and turn and slip systems.

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