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Advertisement Part 133: Rotorcraft external-load operations Federal Aviation Regulations
Subpart B - Certification Rules Subpart C - Operating Rules and Related Requirements Subpart D - Airworthiness Requirements 
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Advertisement Part 133: Rotorcraft external-load operations Federal Aviation Regulations
Subpart B - Certification Rules Subpart C - Operating Rules and Related Requirements Subpart D - Airworthiness Requirements
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