Remote Pilot – Small Unmanned Aircraft Systems › II. Airspace Classification and Operating Requirements › Task A. Airspace Classification

UA.II.A.K1e

Knowledge

General airspace:

Class G uncontrolled airspace

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Get a short, cited explanation of this element written from the FAA handbooks: the core idea, the numbers that matter, common test traps, and a quick self-check.

From the FAA library

Remote Pilot - Small Unmanned Aircraft Systems Study Guide p. 6
Chapter 2: Airspace Classification, Operating Requirements, and Flight Restrictions › Special Use Airspace
remote pilot will not need ATC authorization to operate in Class E airspace. Uncontrolled Airspace Class G Airspace Uncontrolled airspace or Class G airspace is the portion of the airspace that has not been designated as Class ... therefore designated uncontrolled airspace. Class G airspace extends from the surface to the base of the overlying Class E airspace. A remote pilot will not need ATC authorization to operate in Class G airspace. Special Use Airspace Special use airspace…
Pilot's Handbook of Aeronautical Knowledge p. 15-3
Chapter 15: Airspace › Special Use Airspace
Uncontrolled Airspace Class G Airspace Uncontrolled airspace or Class G airspace is the portion of the airspace that has not been designated as Class A, B, C, D, or E. It is therefore designated uncontrolled airspace. Class G airspace extends…
Aeronautical Information Manual p. PCG C-3
Pilot/Controller Glossary › C
part 71 as Class A, Class B, Class C, Class D, or Class E controlled airspace is Class G (uncontrolled) airspace. (See UNCONTROLLED AIRSPACE.) CLEAR AIR TURBULENCE (CAT)- Turbulence encountered in air where no clouds are present. This term…
Aeronautical Information Manual p. 3-2-11
Chapter 3. Airspace › Section 2. Controlled Airspace › 3-2-6. Class E Airspace
aircraft. Section 3. Class G Airspace 3-3-1. General Class G airspace (uncontrolled) is that portion of airspace that has not been designated as Class A, Class B, Class C, Class D, or Class E airspace…
Aeronautical Information Manual p. 11-1-1
Chapter 11. Unmanned Aircraft Systems (UAS) › Section 1. General › 11-1-2. Access to the National Airspace System (NAS) for UAS Operators
permitted to operate within Visual Line of Sight (VLOS) up to 400 feet Above Ground Level (AGL) in uncontrolled (Class G) airspace. Operations within controlled airspace require specific authorization from Air Traffic Control (ATC). 1. Part 107 sUAS operators…
Pilot's Handbook of Aeronautical Knowledge p. G-32
Glossary › Pilot’s Operating Handbook/Airplane Flight Manual
gimbals of a gyroscopic instrument, making it susceptible to damage by abrupt flight maneuvers or rough handling. Uncontrolled airspace. Class G airspace that has not been designated as Class A, B, C, D, or E. It is airspace in which…