Rawalpindi: Pakistan Air Force trainer aircraft on a routine training sortie has crashed near Mardan Monday.According to ISPR , resultantly, both pilots Flight Lieutenant Muhammad Qasim Abdullah (Pakistan Air Force) and Lieutenant Taha Abbasi (Pakistan Navy) have embraced Shahadat. A board of inquiry has been constituted by Air Headquarters to ascertain the cause of accident.Field Marshal Syed Asim Munir, NI (M), HJ, COAS and CDF, Services Chiefs and all Ranks Pakistan Armed Forces have expressed deep grief over the tragic loss of precious lives and extended heartfelt condolences to the bereaved families.