55 FR 10610-10611, 10756-10758; March 22, 1990
Night-Visual Flight Rules Visibility and Distance from Clouds Minimums
Part 91–General Operating and Flight Rules
Anti-Drug Program for Personnel Engaged in Specified Aviation Activities
Part 121–Operating Requirements: Domestic, Flag, and Supplemental Operations
55 FR 13236-13247, April 9, 1990
Airborne Low-Altitude Windshear Equipment Requirements
Part 121–Operating Requirements: Domestic, Flag, and Supplemental Operations
TCAS II Implementation Schedule
Part 121–Operating Requirements: Domestic, Flag, and Supplemental Operations
Part 125–Certification and Operations: Airplanes Having a Seating Capacity of 20 or More Passengers or a Maximum Payload Capacity of 6,000 Pounds or More; and Rules Governing Persons on Board Such Aircraft
Part 129–Operations: Foreign Air Carriers and Foreign Operators of U.S.-Registered Aircraft Engaged in Common Carriage