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TCAS, ADS-B Unreliable on East Coast During September
by Robert P. Mark
- September 1, 2015, 4:18 PM
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ADS-B surveillance and some TCAS operations in the airspace over Virginia, North and South Carolina, Georgia and Florida might become unreliable as of September 2 at 1 a.m. EDT, according to a Notam the FAA issued on September 1. The outages are due to events the agency labeled as “late notice from the Department of Defense of military exercises.” NBAA “voiced its concern to the FAA that these sort of significant impact tests need much more notice to operators in the National Airspace System.”
The outages are scheduled to last until midnight October 1. In addition to the areas of concern noted in domestic airspace, the FAA said the outages might well extend up to 200-nm offshore.
The agency said one outage symptom could be the tracks of nearby aircraft first appearing close to the primary aircraft that immediately switch to a traffic alert/resolution alert status on TCAS. Pilots should maintain a heightened watch on the airspace around them and report any incidents of nearby aircraft they believe should have generated alerts, but did not. The relevant Notam numbers are 5/2817, 5/2818, 5/2819, 5/2820 and 5/2834.
by Robert P. Mark
- September 1, 2015, 4:18 PM
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ADS-B surveillance and some TCAS operations in the airspace over Virginia, North and South Carolina, Georgia and Florida might become unreliable as of September 2 at 1 a.m. EDT, according to a Notam the FAA issued on September 1. The outages are due to events the agency labeled as “late notice from the Department of Defense of military exercises.” NBAA “voiced its concern to the FAA that these sort of significant impact tests need much more notice to operators in the National Airspace System.”
The outages are scheduled to last until midnight October 1. In addition to the areas of concern noted in domestic airspace, the FAA said the outages might well extend up to 200-nm offshore.
The agency said one outage symptom could be the tracks of nearby aircraft first appearing close to the primary aircraft that immediately switch to a traffic alert/resolution alert status on TCAS. Pilots should maintain a heightened watch on the airspace around them and report any incidents of nearby aircraft they believe should have generated alerts, but did not. The relevant Notam numbers are 5/2817, 5/2818, 5/2819, 5/2820 and 5/2834.
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