Notices to Airmen (NOTAMs)

Notices to Airmen (NOTAMs) are time-sensitive information pertinent to pilots that could not be published ahead of time. They typically include:

• Runway closures
• NAVAID availability
• ILS status
• Obstacles
• Radar service disruption

Types of NOTAMs

• (D) NOTAMS: Information that requires mass dissemination
  • Most NOTAMs are D-NOTAMs
  • Usually pertains to enroute NAVAIDs or public-use airports, facilities and procedures
  • Contains a keyword which identifies what it pretains to, including:
    • RWY
    • TWY
    • RAMP
    • APRON
    • AD
    • OBST
    • NAV
    • COM
    • SVC
    • AIRSPACE
    • U (unverified)
    • O (other)
• FDC NOTAMS: IFR-related information pertaining to IFR charts, procedures, or airspace
• POINTER NOTAMS: Call outs to other NOTAMs
• MILITARY NOTAMS: Information pertaining to military NAVAIDS or airfields
• SAA NOTAMS: Pertains to Special Activity Airspace being active outside of its published schedule
• FICON NOTAMS: Related to the condition of asphalt surfaces