Section 3. USE OF TERMS
3-3-1. USE OF CONTRACTIONS AND ABBREVIATIONS
a. Contractions and abbreviations outlined in FAAO JO 7340.2, Contractions, shall be used in the NOTAM system. If there are no contractions/abbreviations, use plain text.
b. The Pilot/Controller Glossary shall be used to define terms in the NOTAM system.
c. Location identifiers used in the NOTAM system are those contained in FAAO JO 7350.8, Location Identifiers.
d. The term "WKEND" means Saturday and Sunday. The term "WKDAYS" means Monday through Friday.
3-3-2. EXPRESSION OF TIME IN THE NOTAM SYSTEM
a. The day begins at 0000 and ends at 2359.
EXAMPLES-
!DCA LDN NAV VOR OTS WEF
0708051600-0708052359
!DCA LDN NAV VOR OTS WEF
0709050000-0709050400
b. Times used in the NOTAM system are UTC and shall be stated in 10 digits (year, month, day, hour, and minute).
c. Do not use sunrise (SR) or sunset (SS) in NOTAM data as these NOTAMs will not be retrieved or displayed when using time parameters in certain present and future automated systems. If the source of the data continues to use SR/SS, advise the source that the time from the SS-SR table will be used. For extended periods of time, use the times from the table and extend it to the next whole hour.
3-3-3. RUNWAY IDENTIFICATION
Identify runways with the prefix RWY followed by the magnetic bearing indicator, e.g., RWY 12/30, RWY 12, or RWY 30. Where the magnetic bearing indicator has not been established, identify the runway to the nearest eight points of the compass, e.g., RWY NE/SW, RWY N/S N 200 CLSD.
3-3-4. TAXIWAY
IDENTIFICATION
Identify taxiways with the prefix TWY followed by the taxiway identifier letter or letter/number as assigned. For multiple taxiways, preface the initial taxiway identifier with TWY, and separate additional taxiway identifiers by commas, or specify
"all." If not identified, describe as adjacent to a runway or direction from the runway.
EXAMPLES-
!DCA DCA TWY C, B3 CLSD
!DCA SHD TWY PARL TWY ADJ RWY 9/27 CLSD
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