Safety Alerts, Charting Notices, and Data Product Notices

(a) 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.

(b) 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.

(c) 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.

(d) A listing of these notices is found on the AIS website at: https://www.faa.gov/air_traffic/flight_info/aeronav/safety_alerts/ .