Newark Airport Suffers Another Radar Outage

The air traffic control mishap early Friday morning added to disruptions in recent days that have heightened concerns about safety at one of the busiest U.S. airports.

How Lost Radar and Silent Radios Have Upended Newark Air Travel

A technical outage in Philadelphia last week terrified air traffic controllers and stranded passengers. As the summer travel season looms, the F.A.A. is racing to address the problems.

2 Planes Abort Landings as Army Helicopter Flies Near D.C. Airport

The episode followed a fatal collision between a military helicopter and a commercial jet in January, and prompted concern and outrage among officials.

Newark Airport Is Experiencing Major Flight Delays. What’s Causing Them?

Staffing shortages at an air traffic control center have added to the effects of a runway closure, prompting United Airlines to cut flights at the hub.

Times Investigation Into the Deadly Crash at National Airport: 5 Takeaways

New details show that the failures leading up to the midair collision of a regional jet and an Army helicopter were more complex than previously known.

The Missteps That Led to a Fatal Plane Crash at Reagan National Airport

New details revealed by The Times show that the failures on Jan. 29 before an Army helicopter crashed into a jet near Reagan National Airport were far more complex than previously known.

F.A.A. Investigates After Air Force Jets Near Delta Plane Activate Safety Alert

Four jets came close enough to the Delta flight, which was taking off from Washington’s Reagan National Airport, to set off a collision-avoidance alert.

U.S. Infrastructure Improves, but Cuts May Imperil Progress, Report Says

A report card from an engineering group found that American roads, ports and other infrastructure got better last year but could be hurt if federal funding is reduced.