Swiss International Airlines flight LX-354 had to return and make an emergency landing in Geneva, Switzerland, on October 15th.
The plane took off for Heathrow Airport, England, but had to return shortly afterwards due to a bird strike.
The plane landed safely. All one hundred and twenty people aboard remained unharmed.
Pictured: One of the fleet of US Airways Express (Mesa Airlines) Canadair CL-600-2D24 Regional Jet CRJ-900ER at Phoenix – Sky Harbor International (PHX / KPHX)
Click to view full size photo at Airliners.net
Contact photographer Alevik
What: Mesa Airlines/US Airways Canadair CRJ-900 en route from San Antonio, TX to Phoenix, AZ
Where: San Antonio
When: Dec 30th 2009
Who: 87 aboard
Why: On takeoff, after the plane blew a tire, it circled the airport and burned off fuel, then landed safely at 3:20 on the remaining tire. An emergency crew was on standby.
Skywest Airlines flight OO-3470 had to return and make an emergency landing in Portland, Oregon, on May 31st.
The plane took off for Santa Barbara, California, but had to return shortly afterwards after the crew reported smoke in the cockpit.
The plane landed uneventfully. There were 70 passengers aboard at the time; all of them remained safe.
The rear rotor assembly was cutoff at mid-shaft. The news organization calls this incident a “hard landing”
Iran Air flight IR-724 made an emergency landing in Amsterdam, Netherlands, on June 14th.
The Airbus A300-600 plane took off for Tehran Imam Khomeini International Airport, Iran, but had to turn back due to technical issues.
The plane landed uneventfully. All one hundred and eighty-seven people aboard remained unharmed.
Up Airlines flight LY-2653 made an emergency landing in Tel Aviv, Israel, on August 18th.
The plane had just departed for Kiev, Ukraine, when the crew received information that tire debris was found on the runway and decided to return.
The plane landed uneventfully. There were 182 people aboard at the time; all of them remained safe.
Air 
Berlin flight AB-7001 had to make an emergency landing at Cologne Bonn Airport, Germany, on July 20.
The airbus A330-200 was heading towards Dusseldorf, Germany, from Miami, Florida, when its main gear tires lost pressure, forcing the pilot to divert.
The plane landed safely. All the passengers aboard remained unhurt.
The flight resumed after replacing wheels.