The National Transportation Safety Board is investigating two runway incursion incidents and an aircraft separation incident, all of which occurred in the last few days.
In the first runway incursion incident, a commuter jet narrowly missed a general aviation aircraft during a night landing at Fresno Yosemite International Airport in California. On August 28, 2008, at approximately 9:07 p.m. Pacific Daylight Time, a Piper PA-46 landed on runway 29R. Before the aircraft had exited the runway, the tower controller cleared a SkyWest Bombardier CRJ-200 commuter jet to land on the same runway. The SkyWest pilot saw the Piper and veered to the right side of the runway, missing the aircraft by an estimated 15 feet, wingtip to wingtip. The incident occurred at night with 10 miles visibility.
Two years after a Comair flight took off on a taxiway, construction activity caused confusion when the pilot of a Cessna 172 landed on a closed runway at the Reading Regional Airport/Carl A. Spaatz Field, in Reading, Pennsylvania. On August 27, 2008, at about 4:25 p.m. Eastern Daylight Time, the aircraft landed on runway 18, which was closed, after receiving a clearance to land by the tower controller. The runway had been closed for approximately four weeks for construction. The incident occurred during day with 10 miles visibility.

Comair Flight Makes Emergency Landing
After one of its two engines shut down August 29, a Comair aircraft, enroute from Cleveland to New York diverted to Wilkes-Barre/Scranton. So far, the cause of the engine failure is not known. There were 50 passengers on board the flight which landed in Wilkes-Barre about 5 pm. They were transported by bus to New York’s Kennedy airport leaving around 6 pm.