Reagan National Airport, traffic collision avoidance system

FAA investigates series of false midair collision alerts sent to multiple flights near Reagan National Airport
In one blitz just after 9 a.m., six similar false alerts were reported within 11 minutes of each other, according to the news station.
False mid-air collision warnings over Washington DC airport investigated in aftermath of deadly crash
False mid-air collision warnings over Washington DC airport investigated in aftermath of deadly crash - Flights inbound to Reagan National Airport were alerted to aircraft even though none were in the area,
Planes Receive Multiple False Alarms Informing Them of Midair Collisions at D.C. Airport
The FAA is investigating reports about recent flights at Reagan National Airport in Washington, D.C., receiving false alarms about midair collisions over the weekend.
Flights to Reagan National Airport in D.C. received false collision alerts while landing
The FAA said that several flight crews inbound to the Reagan National Airport reported onboard alerts when no other aircraft were nearby.
Planes receive mysterious false midair collision alerts near Reagan National Airport
The Federal Aviation Administration is investigating why multiple commercial flights about to land at Ronald Reagan National Airport, near Washington D.C., repeatedly received midair collision ...
Investigation underway after crews receive false collision alerts DC airport
Air traffic control audio indicates the alerts happened only miles from the site of January's deadly mid-air collision near Washington D.C.
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Hong Kong airport must maintain its enviable record on safety and investigate collision alert involving jets
So, it is essential that Hong Kong fully investigates an incident where two cargo planes flew close enough to trigger a ...