Airspace (A-E)
Special Use airspace
Acros and defs
Competition for Airspace
Wilderness Airspace
100

Class A

Controlled Airspace

FL18 up to FL60

IFR only (Flight plan required too)

100

Special use airspace is when…

The FAA has given control to another agency 

100

ICAO standard for categories of airspace ->Annex 2 contains 

Rules of the Air

100

Wilderness airspace examples


National Parks
 National Monuments
 National Seashores
 National Recreation Area

100

Wilderness airspace

2000 ft above ground requested

200

Class B

BIG 

upside down wedding cake 

mode C veil 30 nm 

200

Restricted airspace

stuff unsafe for aircraft 

missiles etc 

200

ICAO standards for categories of airspace-Annex 11 contains 

Air traffic Services 

200

APA requires (aside for an emergency) that the FAA

Publish a proposed regulatory change as a Notice of Proposed
Rulemaking (NPRM)
 In the Federal Register

200

National and state parks requirements for commercial air tour you have to communicate with 

nation parks service and FAA

300

Class C

Medium size

generally 2 tiers one 5 nm radius and up to 1200 agl

two is another 5 nm and up to 4000 agl 

300

natioinal security reasons (White House etc)

Prohibited 

CANT GO

300

ICAO

international civil aviation organization

300

National parks and drones

drones cannot land or take off

300

resorting to the courts is rarely useful in this kind of controversy 

Dispute resolution

400

Class D

Smaller airports 

generally 2500 agl and 4 nm radius

400

Warning area

alerts pilots to hazards activities in international area

400

Military Training Routes (MTR)

Alert pilots of civil aircraft routes along which the FAA allows high-speed flight below
10,000’ MSL by military aircraf

400

Class G

Gulf

Uncontrolled 

less exist=endangered 

400

National parks are an example of

wilderness area


500

Class E 

“Everywhere” 

below fl1800

majority of US airspace

500

Each nation has control over its own airspace started after this specific convention

paris convention 1919

500

APA

Administrative procedure act

500

FAA airspace allocation regulations


Subject to the federal Administrative Procedure Act (APA)


500

SCATANA

security control of air traffic and air navigation aids 

M
e
n
u