PAK FA T-50
Role	Stealth multirole fighter
National origin	Russia
Manufacturer	Sukhoi
First flight	29 January 2010
Introduction	2016
Status	Test flight/pre-production
Primary users	Russian Air Force Russian Navy
Number built	5 prototype
Program cost	US$8–10 billion (est.)
Unit cost	T-50: US$50+ million FGFA: US$100 million
The Sukhoi PAK FA is a twin-engine jet fighter being developed by Sukhoi for the Russian Air Force. The Sukhoi T-50 is the prototype for PAK FA.The PAK FA is one of only a handful of stealth jet programs worldwide. The PAK FA, a fifth generation jet fighter, is intended to be the successor to the MiG-29 and Su-27 in the Russian inventory and serve as the basis of the Sukhoi/HAL FGFA being developed with India. The T-50 prototype performed its first flight 29 January 2010. The Russian Defence Ministry will purchase the first 10 evaluation example aircraft after 2012 and then 60 production standard aircraft after 2016.The first batch of fighters will be delivered with current technology engines. The PAK-FA is expected to have a service life of about 30–35 years