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United States Department of Transportation United States Department of Transportation

AC 120-55C - Air Carrier Operational Approval and Use of TCAS II (Cancelled)

Document Information

Number
120-55C
Title
Air Carrier Operational Approval and Use of TCAS II
Date cancelled
2024-11-20
Cancelled by
90-120
Cancellation notes
Canceled per AC 90-120
Date issued
2011-02-23
Office of Primary Responsibility
AFS-400
Description

This advisory circular (AC) provides an acceptable, but not the only, means to address Traffic Alert and Collision Avoidance System (TCAS) issues related to installation and use of TCAS II regarding compliance with Title 14 of the Code of Federal Regulations (14 CFR) parts 121, 125, and 129 requirements for air carriers.

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