The aircraft was a Boeing 737-86J (registration TC-IZK), serial number 37742.
It was 11 years old at the time of the crash, having first flown in January 2009.
The plane had previously been operated by now-defunct German airline Air Berlin before being acquired by Pegasus in May 2016.
Prior to the crash, Pegasus was scheduled to withdraw this aircraft once leasing expired, as the airline is moving to an all-Airbus fleet in the future.

The captain was Mahmut Aslan, and the first officer was Ferdinand Pondaag, a Dutch national.
The aircraft was a Boeing 737-86J (registration TC-IZK), serial number 37742. It was 11 years old at the time of the crash, having first flown in January 2009. The plane had previously been operated by now-defunct German airline Air Berlin before being acquired by Pegasus in May 2016. Prior to the crash, Pegasus was scheduled to withdraw this aircraft once leasing expired, as the airline is moving to an all-Airbus fleet in the future. 
The captain was Mahmut Aslan, and the first officer was Ferdinand Pondaag, a Dutch national.
Pegasus Airlines Flight 2193