What does FDC NOTAMS primarily deal with?

FDC NOTAMs, or Flight Data Center Notices to Airmen, specifically address time-critical changes to instrument approach procedures, airspace usage, and temporary flight restrictions (TFRs). These types of notices are crucial for ensuring safe navigation and flight operations, as they provide essential information about new or altered procedures that pilots must be aware of when flying.

The focus of FDC NOTAMs includes modifications to approaches, arrivals, departures, and hazards that may affect the safe operation of aircraft in controlled airspace. The emphasis on approach amendments and TFRs highlights the importance of current and accurate data for air traffic safety and effective navigation.

While operational changes, navigational aids, and aircrew training issues can also be communicated through NOTAMs, they are typically covered by different categories. Operational changes may be documented in NOTAMs but are usually communicated through other means as well. Navigational aids are covered under a different NOTAM category as well. Aircrew training issues are not the primary focus of FDC NOTAMs, hence, they fall outside of the main purpose of these notices.