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United States Department of TransportationUnited States Department of Transportation

AC 90-66B - Non-Towered Airport Flight Operations

Document Information

Advisory Circulars home

90-66B - Non-Towered Airport Flight Operations

Date Issued
March 13, 2018
Responsible Office
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.