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NOTAM
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{{Short description|Aviation notice of potential flight hazards}}{{Aviation Briefing navbox}}A NOTAM (Notice to Airmen,BOOK, A Dictionary of Aviation, David W., Wragg, 9780850451634, first, Osprey, 1973, 203, WEB, Notices to Airmen,weblink 2021-12-01, www.icao.int, Notice to Air Men,WEB, FAA Order 7930.2S, Change 2, "Notices to Air Men (NOTAM),weblink www.faa.gov, Notice to AirmanWEB, What is a NOTAM? Notice to Airman (NOTAMs),weblink Federal Aviation Administration, 12 January 2023, or Notice to Air MissionsWEB, What is a NOTAM? Notice to Air Missions (NOTAMs),weblink Federal Aviation Administration, 23 January 2023, ) is a notice filed with an aviation authority to alert aircraft pilots of potential hazards along a flight route or at a location that could affect the flight.WEB, Chambers, Dan, Flight School 101: What is a NOTAM?,weblink College of Aeronautical Science & Technology, February 10, 2010, February 9, 2013,weblink" title="web.archive.org/web/20131203050309weblink">weblink December 3, 2013, dead, NOTAMs are notices or advisories that contain information concerning the establishment, conditions or change in any aeronautical facility, service, procedure or hazard, the timely knowledge of which may be essential to personnel and systems concerned with flight operations.WEB,weblink Air Force Instruction Interservice Publication 11-208, NOTAMs are created and transmitted by government agencies and airport operators under guidelines specified by Annex 15: Aeronautical Information Services of the Convention on International Civil Aviation (CICA). A NOTAM is filed with an aviation authority to alert aircraft pilots of any hazards en route or at a specific location, or Flight Information Region. The authority, in turn, provides a means of disseminating relevant NOTAMs to pilots.- the content below is remote from Wikipedia
- it has been imported raw for GetWiki
History
The acronym NOTAM came into common use following the ratification of the CICA, which came into effect on 4 April 1947,{{citation needed|date=April 2023}} although early recorded use of the "Notice to Airmen" heading can be found in Flight International magazine in the UK.weblink" title="web.archive.org/web/20171018071630weblink">"Notices To Airmen", a 1921 NOTAM in Flight magazine Notices to airmen were normally published in a regular publication by each country's air authorities, as in the UK.Several developments and amendments to the CICA have resulted in the more automated system available today. At some point in the past, the NOTAM system became web-aware.NEWS, Global repository of actual NOTAMS,weblink 16 April 2023, International Civil Aviation Organization, In July 2017, Air Canada Flight 759 nearly crashed into four other airliners as it attempted to land on a San Francisco taxiway misidentified as a runway: the adjacent runway was closed, but the information was buried in the NOTAM. As a consequence, in September 2018, from the findings during its investigation, the National Transportation Safety Board (NTSB) stated NOTAMs were unintelligible and ignored and recommended a more effective information presentation for better relevance. NTSB chairman Robert Sumwalt described NOTAMs as "a bunch of garbage that nobody pays any attention to". This led to an initiative of the International Civil Aviation Organization (ICAO) to reform the NOTAM system.NEWS, Freed, Jamie, 'Bunch of garbage': Campaign to ease pilot overload from antiquated safety warnings,weblink 15 June 2022, Reuters, 28 April 2021, en, In early 2014 Russia occupied Crimea and as part of the takeover Russia issued a newly-invented code, URFV to cover the Crimean airspace. The Ukrainian air controller has been subjugated to issue NOTAMs under the UKFV code, basically a verbatim repeater.NEWS, Russia Restricts Flights Over Crimea And Black Sea,weblink OPSGROUP, 21 April 2021, NEWS, Russia issues warning, restricts flight zone over Black Sea,weblink TASS, 20 April 2021, As a result all the UKFV NOTAMs advising about this area affix this note:
DUE ACTIVITY PUBLISHED BY RUSSIAN FEDERATION.
THE PUBLICATION BY RUSSIAN FEDERATION OF INFORMATION
RELATED TO AIRSPACE UNDER RESPONSIBILITY OF UKRAINE
DOES NOT COMPLY WITH THE PROVISIONS OF THE ICAO
AIR NAVIGATION PLAN - EUROPEAN REGION (DOC 7754)
AND THE ICAO ANNEXES 11 AND 15.
In the run-up to the 2022 Russian invasion of Ukraine Russian authorities closed large parts of the Black Sea, the Kerch Strait and almost the entire Sea of Azov "for missile and artillery live fire exercises." A spokesman for the Ukrainian Foreign Ministry protested the Russian NOTAMs over this unprecedentedly large exercise area, which essentially obstructed international shipping and had economic consequences for Ukrainian ports such as Mariupol.NEWS, [ANALYSIS] What is Russia's actual intent in promulgating NOTAMS in the Black Sea?,weblink Turkish Minute, 11 February 2022, THE PUBLICATION BY RUSSIAN FEDERATION OF INFORMATION
RELATED TO AIRSPACE UNDER RESPONSIBILITY OF UKRAINE
DOES NOT COMPLY WITH THE PROVISIONS OF THE ICAO
AIR NAVIGATION PLAN - EUROPEAN REGION (DOC 7754)
AND THE ICAO ANNEXES 11 AND 15.
Usage
NOTAMs are issued (and reported) for several reasons, such as:- hazards, including air shows, parachute jumps, kite flying, lasers, rocket launches, etc.
- flights by important people such as heads of state (which sometimes involve temporary flight restrictions, TFRs)
- closed runways
- inoperable radio navigational aids
- military exercises with resulting airspace restrictions
- inoperable lights on tall obstructions
- temporary erection of obstacles near airfields (e.g., cranes)
- passage of flocks of birds through airspace (a NOTAM in this category is known as a BIRDTAM)
- notifications of runway/taxiway/apron status concerning snow, ice, and standing water (a SNOWTAM)
- notification of an operationally significant change in volcanic ash or other dust contamination (an ASHTAM)
- software code risk announcements with associated patches to reduce specific vulnerabilities
- WEB,weblink The problem of Bullshit Notams, Mark, Zee, March 15, 2017, Flight Service Bureau, September 28, 2018,weblink" title="web.archive.org/web/20170316030425weblink">weblink March 16, 2017, usurped,
- WEB, The problem of Bullshit Notams,weblink The Opsgroup, 12 January 2023, March 2017,
Format
The following describes ICAO NOTAMs. NOTAMs are published using all upper case letters. Some countries, such as the United States, may diverge from the following ICAO standards.- The first line contains NOTAM identification (series, sequence number, and year of issue), the type of operation (NEW, REPLACE, or CANCEL), as well as a reference to a previously issued NOTAM (for NOTAMR and NOTAMC only).
- The "Q" line holds information about whom the NOTAM affects, along with a basic NOTAM description. This line can be encoded/decoded from tables defined by ICAO. This allows NOTAMs to be displayed electronically.
- The "A" line is the ICAO code of the affected aerodrome or FIR for the NOTAM. The area of influence of the NOTAM can be several hundred kilometers from the originating aerodrome.
- The "B" line contains the start date and time, and the "C" line contains the finish date and time of the NOTAM. Fields "B" and "C" are in the format YYMMDDhhmm, with times given in Universal Co-ordinated Time, also known as UTC or Zulu time.
- Sometimes a "D" line may be present. This gives a miscellaneous diurnal time for the NOTAM if the hours of effect are less than 24 hours a day, e.g., parachute dropping exercises tend to occur for short periods of a few hours during the day, but may be repeated over many days.
- The "E" line is the full NOTAM description. It is in English but can be heavily abbreviated. These abbreviations can be encoded/decoded by tables defined by ICAO.
- When present, "F" and "G" lines detail the height/altitude restrictions of the NOTAM. Typically SFC means surface height or ground level, and UNL is unlimited height. Other heights are given in feet, flight level, or a combination of the two.
Example
This is a typical NOTAM for London Heathrow airport:A1234/06 NOTAMR A1212/06Q)EGTT/QMXLC/IV/NBO/A/000/999/5129N00028W005A)EGLLB)0609050500C)0704300500E)DUE WIP TWY B SOUTH CLSD BTN 'F' AND 'R'. TWY 'R' CLSD BTN 'A' AND 'B' AND DIVERTED VIA NEW GREEN CL AND BLUE EDGE LGT. CTN ADZThis decodes into the following:
Series and number: A1234 issued in 2006 (06)
Nature of the NOTAM: Replacing (R) NOTAM A1212 issued in 2006 (06)
FIR: London FIR (EGTT)
Subject: Taxiway (MX)
Condition: Closed (LC)
Traffic: NOTAM issued for IFR (I) flights and VFR flights (V)
Purpose: NOTAM selected for immediate attention of flight crew members (N), for PIB (Pre-flight Information Bulletin) entry (B), concerning flight operations (O)
Scope: Aerodrome (A)
Limits: FL 000 to FL 999 (000/999)
Geographical location: 51°29' N 000° 28' W (5129N00028W)
Operation radius of the NOTAM: 5 NM (005)
Aerodrome: London Heathrow (EGLL)
From: 05:00 UTC 5 September 2006 (060905 0500)
Until: 05:00 UTC 30 April 2007 (070430 0500)
Category: Aerodromes, air routes, and ground aids
Description: Due to work in progress (DUE WIP), taxiway "B South" is closed between "F" and "R" (TWY B SOUTH CLSD BTN 'F' AND 'R'). Taxiway "R" is closed between "A" and "B" (TWY 'R' CLSD BTN 'A' AND 'B') and is diverted via a new green centre line and blue edge lighting (AND DIVERTED VIA NEW GREEN CL AND BLUE EDGE LGT). Caution advised (CTN ADZ).
U.S. domestic NOTAMs
In the United States, NOTAMs are classified by the FAA into five categories:AIM, 5â1â3 "Notice to Airmen (NOTAM) System" (August 22, 2013 revision)- NOTAM (D) or distant NOTAMs
- A NOTAM (D) information is disseminated for all navigational facilities that are part of the National Airspace System (NAS), all public use airports, seaplane bases, and heliports listed in the Airport/Facility Directory (A/FD) (e.g., such information as whether or not an airport or a certain facility is usable). NOTAM (D) information includes, among other topics, such data as taxiway closures, personnel and equipment near or crossing runways, and airport lighting aids that do not affect instrument approach criteria, such as VASI.
- Flight Data Center (FDC) NOTAMs
- The National Flight Data Center will issue these NOTAMs when it becomes necessary to disseminate information that is regulatory in nature, and they contain such things as amendments to published IAPs and other current aeronautical charts. They are also used to advertise temporary flight restrictions caused by such things as natural disasters or large-scale public events that may generate congestion of air traffic over a site.
- Pointer NOTAMs
- NOTAMs issued by a flight service station to highlight or point out another NOTAM, such as an FDC or NOTAM (D) NOTAM. This type of NOTAM will assist users in cross-referencing important information that may not be found under an airport or NAVAID identifier.
- Special activity airspace (SAA) NOTAMs
- SAA NOTAMs are issued when SAA (the term "SAA" includes SUA, as well as instrument and visual military training routes, aerial refueling tracks and anchorsWEB,weblink FAA Order JO 7930.2N, Notices to Airmen (NOTAM), 2013-10-01, 2014-02-26, ) will be active outside the published schedule times and when required by the published schedule.
- Military NOTAMs
- NOTAMs pertaining to U.S. Air Force, Army, Marine, and Navy navigational aids/airports that are part of the NAS.
Format
From left to right, U.S. NOTAMs contain the following elements:- An exclamation point
- Accountability Location (using the FAA identifier)
- Affected Location (using the FAA identifier)
- One of the following keywords{| class="wikitable"!Keyword !! Meaning| RWY || Runway| TWY || Taxiway| RAMP || Terminal ramp| APRON || Airport apron| AD || Aerodrome/Airport| OBST || Obstruction| COM || Any other communications, e.g. ATIS.| SVC || When tower, fuel, customs service hours are available.| AIRSPACE || The airspace surrounding the affect location.| U || Other aeronautical information, but unverified.| O || Other aeronautical information.
- Surface Identification (i.e., the runway or taxiway number)
- Condition
- Time
Examples
!ORT 6K8 (U) RWY ABANDONED VEHICLETok Junction Airport has an unverified vehicle that is abandoned on its runway.!LAX LAX NAV VOR OTSLos Angeles International's VOR is out of service.!OSH OSH AIRSPACE AIRSHOW ACFT 5000/BLW 5 NMR AIRPORT AVOIDANCE ADZD WEF 0707152000-0707152200There is an airshow being held at Oshkosh airport with aircraft flying 5,000 feet and below within a 5 nautical mile radius. Avoidance is advised from 2000 UTC on July 15, 2007, until 2200 on July 15, 2007.Incidents
On 11 January 2023, the US NOTAM system failed, which grounded all domestic flights until 9:00 AM EST (UTC-5) the same day.WEB, 11 January 2023, FAA NOTAMS Statement,weblink 11 January 2023, Federal Aviation Administration, NEWS, Freed, Jamie, Singh, Rajesh Kumar, Shepardson, David, 2023-01-11, U.S. flights beginning to resume after FAA system outage, en, Reuters,weblink 2023-01-11,See also
- Notice to mariners â marine equivalent
- Area control center
- Air corridor
- Air defense identification zone
- Airspace
- Air traffic control
- Airway (aviation)
- Control area (aviation)
- Control zone
- Flight information region
- List of area control centers
- Terminal control area
References
{{Reflist}}External links
- The Annual Greece v Turkey NOTAM Battle - OPSGROUP
- PilotWeb FAA NOTAM
- NOTAM Search (retrieval of Letters to Airmen) FAA
- NOTAM dinsQueryWeb
- NOTAM decoder - drorpilot
- weblink{{Dead link|date=April 2024 |bot=InternetArchiveBot |fix-attempted=yes }} Turkish NOTAM display and database
- weblink" title="web.archive.org/web/20161108090626weblink">NOTAM tutorial
- Aviation abbreviations - Civil Aviation Safety Authority
- WEB,weblink Aeronautical Information Manual, Federal Aviation Administration,
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