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16 votes
Accepted

Why would a NOTAM outage cause a nationwide ground stop?

NOTAMS contain information about potential hazards and other mission-critical information that is short-lived (so not worth printing on charts) or otherwise breaking news kind of stuff. Without that ...
William Walker III's user avatar
10 votes
Accepted

What are "CIRCLING CATS"?

"CIRCLING CATS" refers to a NOTAM element that applies to specific aircraft Categories (A,B,C,D, sometimes E). In the NOTAM (source: KPNS NOTAMs) shown below (Pensacola International ...
RTO's user avatar
  • 32.3k
9 votes
Accepted

Is "MATON" real or did ChatGPT just make this up?

The OP has the necessary info to answer the question: Google couldn't find any military aeronautical telecommunications systems called MATON. No, MATON isn't a thing. As Stack Exchange notes in the ...
Ralph J's user avatar
  • 48.3k
6 votes

India issues NOTAM for Very Long range Ballistic Missile Test

As for why India needs such a large and wide area, they are launching a missile, and what goes up is going to come down somewhere in that area. They have a wide area in case missile goes off course. ...
GdD's user avatar
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5 votes
Accepted

Could medevac/air ambulance flights take off during the NOTAM system disruption?

Both "legally" and "safely" would depend on your point of view and the specifics of each individual flight. At its core, a ground stop is one tool in the Traffic Management ...
randomhead's user avatar
  • 13.2k
4 votes
Accepted

How to decode NOTAM?

How to decode NOTAM? Actually this NOTAM is not coded. The coded version is only used for transfer on the aeronautical fixed service (AFS), a sort of telex network used by aviation entities all over ...
mins's user avatar
  • 69.7k
4 votes
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What does it mean for a GPS PRN to be unserviceable?

GPS (Navstar) usually has more satellites in view than are strictly necessary for navigation. An IFR certified receiver has information to determine when the current computed position is within ...
BowlOfRed's user avatar
  • 5,551
4 votes
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what is the actual infrastructure of the current US NOTAM system?

I've not seen a detailed breakdown on how the NOTAM system works, but we do know three things NOTAMs are issued from a database The FAA said preliminary indications “traced the outage to a damaged ...
Machavity's user avatar
  • 5,983
3 votes
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Can you fly a VFR practice approach at night that is Notam’ed “NA at night”?

The IAP in question only takes place in class E and G airspace. So you can definitely "do" it in VFR, and you don't even have to talk to anybody. Unless you know for a fact why it is not ...
Chris's user avatar
  • 10.1k
3 votes

How are NOTAMs created so consistently?

Most NOTAMs at commercial airports will be submitted by Airport Operations agents/officers. These are a team of airport employees responsible for ensuring the airport is in compliance with FAR PART ...
FreakinRocket's user avatar
2 votes
Accepted

"END PART" Statement in NOTAM

It is not part of any particular item. Rather it is a general informational pointer than the NOTAM is so long it has spread across two separate issuances. From the FAA's Defense Internet NOTAM Service ...
randomhead's user avatar
  • 13.2k
2 votes
Accepted

NOTAM D item spanning across midnight with EXC

I'm a former Brazilian NOF (NOTAM Office) operator. The Brazilian regulation for NOTAM is ICA 53-1 (click on Download do arquivo, open the downloaded PDF file and then see Exemplo 9 at page 42/60), ...
Yuri Sucupira's user avatar
2 votes

Is it legal for one nation to issue notams for territories in another nation?

Yes, it is perfectly legal for one nation to “publish” a NOTAM for territories in another nation. (I changed your wording from “issue” on purpose, I will explain at the end once I have established the ...
Michael Hall's user avatar
  • 24.1k
1 vote

Can you fly a VFR practice approach at night that is Notam’ed “NA at night”?

Legally yes, operating under VFR, it is possible to do this. That being said, I would seriously think twice about doing so as there is a reason approaches are not authorized under certain conditions, ...
Carlo Felicione's user avatar
1 vote

What are "CIRCLING CATS"?

A circling approach is one where you line up on one runway for the approach through the clouds, but once you break out of the clouds you circle around and land on a different runway due to winds. ...
Michael Hall's user avatar
  • 24.1k
1 vote

How are NOTAMs created so consistently?

As long as the database isn't down NOTAM's are managed centrally and its the job of flight service to make sure they are correct. You dont just submit it willy nilly and it gets published. To file a ...
Dave's user avatar
  • 100k

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