Document Information
- Number
 - 90-66B
 - Title
 - Non-Towered Airport Flight Operations
 - Date cancelled
 - 2023-06-06
 - Cancelled by
 - 90-66C
 - Cancellation notes
 - Canceled per AC 90-66C
 - Date issued
 - 2018-03-13
 - Office of Primary Responsibility
 - AFS-800
 - Description
 - 
							
							
This AC calls attention to regulatory requirements, recommended operations, and communications procedures for operating at an airport without a control tower or an airport with a control tower that operates only part time. It recommends traffic patterns, communications phraseology, and operational procedures for use by aircraft, lighter-than-air aircraft, gliders, parachutes, rotorcraft, and ultralight vehicles. This AC stresses safety as the primary objective in these operations. This AC is related to the right-of-way rules under Title 14 of the Code of Federal Regulations (14 CFR) part 1, § 1.1 (traffic pattern), and part 91, §§ 91.113 and 91.126.
 - Content
 - 
						
						
							
- Editorial Update AC 90-66B CHG 1 (PDF)
 - AC 90-66B CHG 1 (PDF)
 - AC 90-66B (PDF)