2.
NOTAM data may not always be current due to the changeable nature of the national airspace system components, delays inherent in processing the information, and occasional temporary outages of the United States NOTAM System. While en route, pilots should contact FSSs and obtain updated information for their route of flight and destination.
3.2.3 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. Keywords in pointer NOTAMs must match the keywords in the NOTAM that is being pointed out. The keyword in pointer NOTAMs related to Temporary Flight Restrictions (TFR) must be AIRSPACE.
3.2.4 Special Use Airspace (SUA) NOTAMs. SUA NOTAMs are issued when Special Use Airspace will be active outside the published schedule times and when required by the published schedule. Pilots and other users are still responsible to check published schedule times for Special Use Airspace as well as any NOTAMs for that airspace.
3.2.5 Military NOTAMs. NOTAMs pertaining to U.S. Air Force, Army, Marine, and Navy navigational aids/airports that are part of the NAS.
3.3 An integral part of the NOTAM System is the Notice to Airmen publication, published every 28 days. Data is included in this publication to reduce congestion on the telecommunications circuits and, therefore, is not available via Service A. Once published, this information is not provided during pilot weather briefings unless specifically requested by the pilot. The Notice to Airmen publication contains four parts:
3.3.1 Part 1 contains three sections.
3.3.1.1 Notices which meet the criteria for NO-TAM (D) which are expected to remain in effect for an extended period and FDC NOTAMs current at the time of publication. Occasionally, unique informa-tion is included in this section when it will contribute to flight safety.
3.3.1.2 Airports, Facilities, and Procedural NO-TAMs.
3.3.1.3 General FDC NOTAMs.
3.3.2 Part 2 contains Revisions to Minimum En Route IFR Altitudes and Changeover Points Amendments.
3.3.3 Part 3 contains International Notices to Airmen.
3.3.4 Part 4 contains Graphic Notices. It includes special notices and notices containing graphics pertaining to almost every aspect of aviation; such as, military training areas, large scale sporting events that may attract media attention or draw large crowds of aircraft, chart corrections and additions, and air show information.
3.3.5 The number of the last FDC NOTAM included in the Notices to Airmen publication is noted on the first page to aid the user in updating the listing with any FDC NOTAMs which may have been issued between the cut.off date and the date the publication is received. All information contained will be carried until the information expires, is canceled, or in the case of permanent conditions, is published in other publications, such as the Airport/Facility Directory.
3.3.6 All new notices entered, excluding FDC NOTAMs, will be published only if the information is expected to remain in effect for at least 30 days after the effective date of the publication.
Federal Aviation Administration Twentieth Edition
4. Flight Plan Requirements
4.1 The types of flight plans in U.S. airspace are:
4.1.1 Visual Flight Rules (VFR).
4.1.2 Defense Visual Flight Rules (DVFR).
4.1.3 Instrument Flight Rules (IFR).
4.1.4 Composite Flight Plan Visual.Instrument Flight Rules (VFR.IFR).
4.1.5 IFR flight plans requesting VFR operations.
NOTE.
ICAO flight plans are required whenever the flight intends to cross an international boundary or an oceanic CTA/FIR boundary. For flights departing U.S. airports and operating over U.S. domestic airspace and/or offshore control areas, but do not penetrate the oceanic CTA/FIR boundary or borders, a U.S. domestic flight plan is preferred.
4.2 Flight Plan.VFR Flights
4.2.1 Except for operations in or penetrating a Coastal or Domestic ADIZ or DEWIZ (see ENR 1.12, paragraph 1.2), a flight plan is not required for VFR flight; however, it is strongly recommended that one be filed.
4.2.2 To obtain maximum benefits of the flight plan program, flight plans should be filed directly with the nearest flight service station. For your convenience, FSSs provide aeronautical and meteorological briefings while accepting flight plans. Radio may be used to file if no other means are available. Also, some States operate aeronautical communications facilities which will accept and forward flight plans to the FSS for further handling.
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