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AIM

10/12/17

5−6−6

National Security and Interception Procedures

1. Enter and exit U.S. territorial airspace over

Alaska north of the fifty−fourth parallel;

2. File and are on an active flight plan;
3. Squawk 1200 if VFR and equipped with a

transponder.

4. Comply with all other applicable ADIZ

requirements described in paragraph 5−6−4 and any

other national security requirements in paragraph

5−6−2.

5−6−8. Foreign State Aircraft Operations

a. Foreign state aircraft are authorized to operate

in U.S. territorial airspace if in compliance with all of

the following conditions:

1. File and are on an active IFR flight plan;
2. Equipped with an operational transponder

with altitude reporting capability and continuously

squawk an ATC assigned transponder code;

3. Maintain two−way radio communications

with ATC;

4. Comply with all other applicable ADIZ

requirements described in paragraph 5−6−4 and any

other national security requirements in paragraph

5−6−2.

b. Diplomatic Clearances. Foreign state aircraft

may operate to or from, within, or in transit of U.S.

territorial airspace only when authorized by the U.S.

State Department by means of a diplomatic

clearance, except as described in subparagraph

5−6−8h below.

1. Information about diplomatic clearances is

available at the U.S. State Department website

http://www.state.gov/t/pm/iso/c56895.htm (lower

case only).

2. A diplomatic clearance may be initiated by

contacting the U.S. State Department via email at

DCAS@state.gov or via phone at (202) 663−3390.

NOTE−

A diplomatic clearance is not required for foreign state

aircraft operations that transit U.S. controlled oceanic

airspace but do not enter U.S. territorial airspace. (See

subparagraph 5−6−8d for flight plan information.)

c. An FAA routing authorization for state aircraft

operations of special interest countries listed in

subparagraph 5−6−11b. is required before the U.S.

State Department will issue a diplomatic clearance

for such operations. (See subparagraph 5−6−11 for

FAA routing authorizations information).

d. Foreign state aircraft operating with a diplomat-

ic clearance must navigate U.S. territorial airspace on

an active IFR flight plan, unless specifically

approved for VFR flight operations by the U.S. State

Department in the diplomatic clearance.

NOTE−

Foreign state aircraft operations to or from, within, or

transiting U.S. territorial airspace; or transiting any U.S.

controlled oceanic airspace, should enter ICAO code M in

Item 8 of the flight plan to assist in identification of the

aircraft as a state aircraft.

e. A foreign aircraft that operates to or from,

within, or in transit of U.S. territorial airspace while

conducting a state aircraft operation is not authorized

to change its status as a state aircraft during any

portion of the approved, diplomatically cleared

itinerary.

f. A foreign aircraft described in subparagraph

5−6−8e above may operate from or within U.S.

territorial airspace as a civil aircraft operation, once

it has completed its approved, diplomatically cleared

itinerary, if the aircraft operator is:

1. A foreign air carrier that holds valid FAA Part

129 operations specifications; and

2. Is in compliance with all other requirements

applied to foreign civil aircraft operations from or

within U.S. territorial airspace. (See paragraphs

5−6−5 and 5−6−6.)

g. Foreign state aircraft operations are not

authorized to or from Ronald Reagan Washington

National Airport (KDCA).

h. Diplomatic Clearance Exceptions. State

aircraft operations on behalf of the governments of

Canada and Mexico conducted for the purposes of air

ambulance, firefighting, law enforcement, search and

rescue, or emergency evacuation are authorized to

transit U.S. territorial airspace within 50 NM of their

respective borders with the U.S., with or without an

active flight plan, provided they have received and

continuously transmit an ATC assigned transponder

code. State aircraft operations on behalf of the

governments of Canada and Mexico conducted under

this subparagraph 5−6−8h are not required to obtain

a diplomatic clearance from the U.S. State

Department.