Section 9. SECURITY NOTICE (SECNOT)
6-9-1. SECURITY NOTICE (SECNOT)
A SECNOT is a request originated by the Domestic
Events Network (DEN) Air Traffic Security
Coordinator (ATSC) for an extensive communications search for aircraft involved or suspected of
being involved in a security violation. A SECNOT
will include the aircraft identification, the search
area, and an expiration time. The search area, as
defined by the ATSC, can be a single airport, multiple
airports, a radius of an airport or fix, or a route of
flight. Once the expiration time has been reached, the
SECNOT is considered to be canceled.
1. The DEN will notify the FSS of the SECNOT by
2. The ATSC may expand the search area or expiration
time following the initial notification of the security
6-9-2. ACTION UPON RECEIVING A
a. As soon as a SECNOT is received, the facility
must attempt to locate the aircraft by checking all
airports in the search area that could accommodate
the aircraft. Relay the SECNOT to all terminal
facilities in the search area.
1. Terminal facilities will reply directly to the DEN.
2. The DEN is responsible for coordination with
b. When contacting airports or offices outside
official Government agencies, provide no further
information other than what is in the SECNOT.
c. Upon receiving information about the
SECNOT aircraft, immediately notify the DEN.
d. If the aircraft is located, notify the DEN
immediately, and cancel the SECNOT.
e. The priority of duty for handling a SECNOT is
that of emergency situations as described in
Paragraph 1-3-2, Duty Priority.
f. Record the initiation of a SECNOT on FAA
Form 72304, Daily Record of Facility Operation, or
electronic equivalent. Include the aircraft identification, search area, and expiration time in the log entry.
6-9-3. CANCELING A SECNOT
The SECNOT stays current until the aircraft is
located, the search is canceled by the ATSC, or when
the expiration time is reached.
a. Workload permitting, notify all previously
alerted air traffic facilities if the SECNOT is canceled
before the expiration time is reached.
b. Record the cancellation on FAA Form 72304,
Daily Record of Facility Operation, or electronic