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6/17/21 

AIM 

Section 6.  National Security and Interception Procedures 

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1.  National Security 

National security in the control of air traffic is 
governed by 14 Code of Federal Regulations (CFR) 
Part 99, 

Security Control of Air Traffic

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2.  National Security Requirements 

a. 

Pursuant to 14 CFR 99.7, 

Special Security 

Instructions

, each person operating an aircraft in an 

Air Defense Identification Zone (ADIZ) or Defense 
Area must, in addition to the applicable rules of 
Part 99, comply with special security instructions 
issued by the FAA Administrator in the interest of 
national security, pursuant to agreement between the 
FAA and the Department of Defense (DOD), or 
between the FAA and a U.S. Federal security or 
intelligence agency. 

b. 

In addition to the requirements prescribed in 

this section, national security requirements for 
aircraft operations to or from, within, or transiting 
U.S. territorial airspace are in effect pursuant to 
14 CFR 99.7; 49 United States Code (USC) 40103, 

Sovereignty and Use of Airspace

; and 49 USC 41703, 

Navigation of Foreign Civil Aircraft

. Aircraft 

operations to or from, within, or transiting U.S. 
territorial airspace must also comply with all other 
applicable regulations published in 14 CFR. 

c. 

Due to increased security measures in place at 

many areas and in accordance with 14 CFR 91.103, 

Preflight Action

, prior to departure, pilots must 

become familiar with all available information 
concerning that flight. Pilots are responsible to 
comply with 14 CFR 91.137 (

Temporary flight 

restrictions in the vicinity of disaster/hazard areas

), 

91.138 (

Temporary flight restrictions in national 

disaster areas in the State of Hawaii

), 91.141 (

Flight 

restrictions in the proximity of the Presidential and 
other parties

), and 91.143 (

Flight limitation in the 

proximity of space flight operations

) when conduct-

ing flight in an area where a temporary flight 
restrictions area is in effect, and should check 
appropriate NOTAMs during flight planning. In 
addition, NOTAMs may be issued for National 
Security Areas (NSA) that temporarily prohibit flight 
operations under the provisions of 14 CFR 99.7. 

REFERENCE

 

AIM, Paragraph 3

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8, National Security Areas 

AIM, Paragraph 3

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3, Temporary Flight Restrictions 

d. 

Noncompliance with the national security 

requirements for aircraft operations contained in this 
section may result in denial of flight entry into U.S. 
territorial airspace or ground stop of the flight at a 
U.S. airport. 

e. 

Pilots of aircraft that do not adhere to the 

procedures in the national security requirements for 
aircraft operations contained in this section may be 
intercepted, and/or detained and interviewed by 
federal, state, or local law enforcement or other 
government personnel. 

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3.  Definitions 

a. 

Air Defense Identification Zone (ADIZ) 

means 

an area of airspace over land or water, in which the 
ready identification, location, and control of all 
aircraft (except Department of Defense and law 
enforcement aircraft) is required in the interest of 
national security. 

b. 

Defense Area

 means any airspace of the 

contiguous U.S. that is not an ADIZ in which the 
control of aircraft is required for reasons of national 
security. 

c. 

U.S. territorial airspace, 

for the purposes of this 

section,  means the airspace over the U.S., its 
territories, and possessions, and the airspace over the 
territorial sea of the U.S., which extends 12 nautical 
miles from the baselines of the U.S., determined in 
accordance with international law. 

d. 

To  U.S. territorial airspace

 means any flight 

that enters U.S. territorial airspace after departure 
from a location outside of the U.S., its territories or 
possessions, for landing at a destination in the U.S., 
its territories or possessions. 

e. 

From U.S. territorial airspace

 means any flight 

that exits U.S. territorial airspace after departure from 
a location in the U.S., its territories or possessions, 
and lands at a destination outside the U.S., its 
territories or possessions. 

f. 

Within U.S. territorial airspace

 means any flight 

departing from a location inside of the U.S., its 
territories or possessions, which operates en route to 

National Security and Interception Procedures 

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