What is "sherdils"

Sherdils ( Urdu: ﺸﻴر دﻋﻝ) is the aerobatics display team of the Pakistan Air Force Academy based at the PAF Academy, Risalpur, Pakistan. The team flies nine K-8 Karakorum trainer aircraft and used to fly the T-37 "Tweety Bird". Its pilots are instructors from the PAF Academy's Basic Flying Training (BFT) Wing.