Airfield traffic pattern

Left and right hand traffic patterns as depicted in the Pilot's Handbook of Aeronautical Knowledge issued by the Federal Aviation Administration in the United States of America.

Standard US airport traffic pattern. Fig. 4-3-2 from FAA AIM.

Components of a US Traffic Pattern. Fig. 4-3-1 from FAA AIM.

Traffic Pattern of Eilat Airfield (Israel). Note different pattern altitudes for heavy aircraft and ultralights/helicopters

An airfield traffic pattern is a standard path followed by aircraft when taking off or landing, while maintaining visual contact with the airfield.

At an airport, the pattern (or circuit in the Commonwealth) is a standard path for coordinating air traffic. It differs from "straight-in approaches" and "direct climb-outs" in that aircraft using a traffic pattern remain close to the airport. Patterns are usually employed at small general aviation (GA) airfields and military airbases. Many large controlled airports avoid the system, unless there is GA activity as well as commercial flights. However, some kind of a pattern may be used at airports in some cases, such as when an aircraft is required to go around — but this kind of pattern at controlled airports may be very different in form, shape and purpose to the standard traffic pattern as used at GA airports.

单词	Traffic Pattern Altitude
释义	Traffic Pattern Altitude 英语百科 Airfield traffic pattern An airfield traffic pattern is a standard path followed by aircraft when taking off or landing, while maintaining visual contact with the airfield. At an airport, the pattern (or circuit in the Commonwealth) is a standard path for coordinating air traffic. It differs from "straight-in approaches" and "direct climb-outs" in that aircraft using a traffic pattern remain close to the airport. Patterns are usually employed at small general aviation (GA) airfields and military airbases. Many large controlled airports avoid the system, unless there is GA activity as well as commercial flights. However, some kind of a pattern may be used at airports in some cases, such as when an aircraft is required to go around — but this kind of pattern at controlled airports may be very different in form, shape and purpose to the standard traffic pattern as used at GA airports.
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Traffic Pattern Altitude

Airfield traffic pattern