12/2/21
AIM
3.
Additionally, some departments and agencies
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15. Interception Signals
that perform special missions have been assigned
coded identifiers to permit them to apprise ATC of
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1 and TBL 5
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2.
ongoing mission activities and solicit special
air traffic assistance.
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Intercepting Signals
INTERCEPTING SIGNALS
Signals initiated by intercepting aircraft and responses by intercepted aircraft
(as set forth in ICAO Annex 2Appendix 1, 2.1)
Series
INTERCEPTING Aircraft Signals
Meaning
INTERCEPTED Aircraft Responds
Meaning
1
DAY
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Rocking wings from a position
slightly above and ahead of, and normally
to the left of, the intercepted aircraft and,
after acknowledgement, a slow level turn,
normally to the left, on to the desired
heading.
NIGHTSame and, in addition, flashing
navigational lights at irregular intervals.
NOTE 1
−
Meteorological conditions or
terrain may require the intercepting
aircraft to take up a position slightly above
and ahead of, and to the right of, the
intercepted aircraft and to make the
subsequent turn to the right.
NOTE 2
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If the intercepted aircraft is not
able to keep pace with the intercepting
aircraft, the latter is expected to fly a series
of race
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track patterns and to rock its wings
each time it passes the intercepted aircraft.
You have
been
intercepted.
Follow me.
AEROPLANES:
DAY
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Rocking wings and following.
NIGHT
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Same and, in addition, flashing
navigational lights at irregular intervals.
HELICOPTERS:
DAY or NIGHT
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Rocking aircraft, flashing
navigational lights at irregular intervals and
following.
Understood,
will comply.
2
DAY or NIGHT
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An abrupt break
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away
maneuver from the intercepted aircraft
consisting of a climbing turn of 90 degrees
or more without crossing the line of flight
of the intercepted aircraft.
You may
proceed.
AEROPLANES:
DAY or NIGHTRocking wings.
HELICOPTERS:
DAY or NIGHT
−
Rocking aircraft.
Understood,
will comply.
3
DAY
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Circling aerodrome, lowering land
ing gear and overflying runway in direction
of landing or, if the intercepted aircraft is a
helicopter, overflying the helicopter land
ing area.
NIGHT
−
Same and, in addition, showing
steady landing lights.
Land at this
aerodrome.
AEROPLANES:
DAY
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Lowering landing gear, following
the intercepting aircraft and, if after
overflying the runway landing is consid
ered safe, proceeding to land.
NIGHT
−
Same and, in addition, showing
steady landing lights (if carried).
HELICOPTERS:
DAY or NIGHTFollowing the intercepting
aircraft and proceeding to land, showing a
steady landing light (if carried).
Understood,
will comply.
National Security and Interception Procedures
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