AIM Text
- Safety Alerts (SAs) are published to notify users of an error that was reported or discovered in one of our digital products. The specific product and effective date(s) are provided.
- Charting Notices (CNs) are published to notify users of a planned chart/publication enhancement and the effective date on which the enhancement will be implemented.
- Data Product Notices (DPNs) are published to notify users of a system outage. DPNs may also be used to notify users of a developmental upgrade to one of our digital products and the effective date on which the upgrade will be implemented.
- A listing of these notices is found on the AIS website at: https://www.faa.gov/air_traffic/flight_info/aeronav/safety_alerts/.
Source: FAA Aeronautical Information Manual · current edition · paragraph 9-1-3.
Research Notes
AIM 9-1-3 covers FAA Aeronautical Information Services — the FAA division responsible for chart publication and aeronautical data.
Services:
- VFR and IFR chart publication
- NOTAM system (notams.aim.faa.gov)
- Airport diagram updates
- Aeronautical data feeds for EFB applications
Update cycle: 56-day cycle for most paper products. NOTAMs updated continuously. EFB apps update with the cycle automatically.
Reference: FAA AeroNav Products; AIM 9-1-3.