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
5-6-8. 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
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.

5-6-6

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 diplomatic 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
Canadnd 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 Canadnd Mexico conducted under
this subparagraph 5-6-8h are not required to obtain
a diplomatic clearance from the U.S. State
Department.

National Security and Interception Procedures