Airspaces
Special Use Airspace
Acronyms and Definitions
Competition for Airspace
Wilderness Airspace
100

Can VFR aircraft operate in Class A?

No, only IFR

100

Can VFR aircraft fly through a restricted area?

No, only with permission

100

ATIS?

Automatic Terminal Information Service

100

Role of MOA?

Allows military training while alerting pilots

100

What is wilderness airspace?

Areas over national parks, wildlife refuges, and wilderness areas where overflight restrictions or recommendations apply.

200

How is Class B depicted on sectional charts?

Solid blue lines

200

What does a MOA mean?

Military operating area

200

How often is ATIS updated?

hourly unless weather changes significantly

200

How can GA pilots stay safe?

NOTAMS, Flight Service briefing, and avoiding active areas

200

Are overflights prohibited?

No, but overflying below 2,000 ft AGL is discouraged.

300

What are the requirements for entry into Class B?

ATC clearance, two way radio, mode C tx, and ADS'B out

300

How are restricted areas depicted on sectional charts?

Blue lines with "R-"

300

When might a pilot request SVFR clearance?

In controlled airspace when weather is below basic VFR mins.

300

How do metropolitan areas handle Class B congestion?

With strict airspace design, ATC sequencing, and alternate routes.

300

How is this enforced?

It's not strictly enforced but can be reported and affect pilot reputation or certificate if habitual.

400

What type of radar service is provided in Class C?

Sequencing, traffic advisories

400

What is the purpose of Alert areas?

inform pilots of unusual types of aerial activity, flight training

400

What does ADS-B mean?

Automatic Dependent Surveillance-Broadcast

400

Who imposes TFRs?

FAA

400

Regulatory basis?

Advisory Circulars and Sectional chart markings—not legally binding, but highly recommended.

500

What are the boundaries of Class E airspace?

Begins at 700' or 1200' AGL up to but not including 18,000 MSL

500

What is a Warning Area

May contain hazards to non-participating aircraft.

500

CTAF?

Common Traffic Advisory Frequency

500

Impact of special events on airspace?

Creates TFRs or special-use airspace, possibly closing parts of the sky.

500

How can you identify protected areas before flight?

Sectional charts, FAA notices, and briefings.