Skip to page content

USA Banner

Official US Government Icon

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure Site Icon

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

United States Department of Transportation United States Department of Transportation

AC 133-1B - Rotorcraft External-Load Operations

Document Information

Rotorcraft External-Load Operations
Date issued
Office of Primary Responsibility
This advisory circular (AC) provides background information, describes rotorcraft external-load operations, and describes an acceptable means, but not the only means, to apply for and obtain authorization to conduct rotorcraft external-load operations under Title 14 of the Code of Federal Regulations (14 CFR) part 133. Federal Aviation Administration (FAA) personnel will provide the necessary materials and information during the application process. This AC also provides guidance and information for certificated rotorcraft external-load operators. The information in this AC and related reading material will assist you in completing the application process in an efficient and accurate manner. John