Section
2. Cancellation/Expiration
7-2-1. FDC NOTAM
EXPIRATION
The NOTAM issuing authority is responsible
for canceling FDC NOTAMs.
7-2-2. CANCELING FDC
NOTAMs
a. The
issuing authority must issue a cancellation to an FDC NOTAM before the
expiration time. An FDC NOTAM must be issued to cancel an FDC NOTAM and must
be stated to the originator of the FDC NOTAM when the original FDC NOTAM is
received.
b. When
a new FDC NOTAM is issued to correct or in any way change a previously
issued FDC NOTAM, a new NOTAM will be issued and a separate cancellation
NOTAM will be issued to cancel the old NOTAM.
EXAMPLE-
!FDC FDC CANCEL 0/1181 MSP
!FDC FDC CANCEL 0/1605 POM
7-2-3. FDC NOTAM LIST
Twice each day, the USNS transmits a list
of FDC NOTAM numbers issued during the previous 12 and 24 hours. The list is
transmitted as a numbered FDC NOTAM between 0515 and 0545 and between 1715
and 1745 UTC. The 0500 list is a summary of the preceding 12 hours. The 1700
list is a summary of the preceding 24 hours. Each previous list is canceled
by a separate FDC NOTAM.
EXAMPLE-
!FDC 0/1611 FDC LIST JUN 230531
!FDC 0/1608 ELY
!FDC 0/1609 FDC
!FDC 0/1610 ABC
7-2-4. RETRIEVING FDC NOTAMs
a. Upon
issuance, all FDC NOTAMs or FDC NOTAM cancellations are given all circuit
distribution and are stored in the USNS. FDC NOTAMs remain in the USNS for
the duration of their validity. FDC NOTAM cancellations remain in the USNS
for 72 hours after transmission.
b. FDC
NOTAMs and FDC NOTAM cancellations may be retrieved via request/reply. To
minimize response delays, each FDC NOTAM and FDC NOTAM cancellation to be
retrieved should be requested individually.
1. To
retrieve an individual FDC NOTAM by number:
(a) When
the location identifier and number are known:
EXAMPLE-
AIS:
GG KDZZNAXX DTG KFODYFYX
)SVC RQ FDC LOC=CID NT=0/2735
(b) When
only the number is known:
EXAMPLE-
GG KDZZNAXX DTG KFODYFYX
)SVC RQ FDC NT=0/2735
2. To
request all FDC NOTAMs for a given location:
EXAMPLE-
GG KDZZNAXX DTG KCOUYFYX
)SVC RQ FDC LOC=MCI
NOTE-
All facilities must use their particular equipment's keyboard equivalent of
the closed parenthesis or equal symbol as appropriate.
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