RTAF-4

Overview

The RTAF-4 Chanthra (Thai: จันทรา), officially designated B.ThO.4 (Thai: บ.ทอ.๔) and later B.F.17 (Thai: บ.ฝ.๑๗), is a single-engine two-seat, single-engined primary trainer aircraft built by the Royal Thai Air Force's Science and Weapon Systems Development Centre.