NOTAM Q Line now visible
As promised AIS are now providing the Q line in their briefs. Working now on the AIS site (if a little slow at the moment, the problem is under investigation).
For those not in the know the Q Line is a line of code to a format laid down by ICAO that is used for selecting and sorting the NOTAM to appear in a brief. Here's an example just taken from the AIS site. EGHI COM : Q)EGTT/QCTLT/IV/B/AE/000/999/5057N00121W005 FROM 05/07/01 11:15 TO 05/10/31 23:59 B1321/05 E)SOLENT RADAR OPR WITH LIMITED SSR. ATS OUTSIDE CONTROLLED AIRSPACE MAY BE LIMITED AT TIMES. ACFT TRAINING WILL BE LIMITED, WITH NO HOLDING AVAILABLE. This should enable you to better understand why the item appears in your brief. You can find a more detailed explanation of the Q Line here and here. |
Looks like a more reliable/consistent format for the software planning tools too.
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That's why we asked for it.
I suggest anyone interested in writing software gets a copy of "Notam Selection Criteria", an attachment to Appendix C of ICAO Document 8126, the Aeronautical Information Services Manual, which gives a full decode of all of the 4 letter Q codes. The example above for instance includes the code QCTLT which translates as. Q - Identifies it as the Q Code C - Tells us it's category COM _ Communication and Radar Facilities. T - Tells us it's Terminal area surveillance radar LT - means Limited to (see text for limitation) QNVCT for example would indicate a VOR "on test, do not use" Mike |
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