On 15th February, 2018, Pakistan International Airline (PIA) flight PIA 585, ATR 42-500 aircraft, Reg. No. AP-BHP was a scheduled passenger flight from Dera Ghazi Khan Airport to Jinnah International Airport (JIAP), Karachi. PIA 585 reported Traffic Alert and Collision Avoidance System – Resolution Advisory (TCAS – RA) while maintaining Flight Level (FL) 100, Military Traffic maintaining FL80, was the crossing traffic. At the time of TCAS – RA vertical separation of 2,000 feet (ft) existed. Traffic information was passed well before time by Approach.
