A Bangladesh Air Force Chengdu FT-7BGI crashes shortly after takeoff into Milestone School campus in Dhaka, Bangladesh, killing 35 people and injuring 173.

The Bangladesh Air Force (BAF) is the aerial warfare branch of the Bangladesh Armed Forces. The air force is primarily responsible for air defence of Bangladesh's sovereign territory as well as providing air support to the Bangladesh Army and Bangladesh Navy. Furthermore, the BAF has a territorial role in providing tactical and strategic air transport and logistics capability for the country.

The following is a list of variants and specifications for variants of the Chengdu J-7, which differed considerably between models in its 48-year production run. Production of the J-7 ceased after delivering 16 F-7BGIs to the Bangladesh Air Force in 2013.

On 21 July 2025, at 13:12 BST (UTC+6), a Chengdu FT-7BGI fighter jet operated by the Bangladesh Air Force (BAF) crashed shortly after takeoff into the Milestone School campus in the Uttara neighbourhood of Dhaka, Bangladesh, while students were attending classes. At least 35 people were killed and 173 injured.

Milestone School & College is a Bengali and English-version, co-educational private school and college in Uttara, Dhaka, Bangladesh.

Dhaka, formerly spelled as Dacca, is the capital and largest city of Bangladesh. It is one of the largest and most densely populated cities in the world with a density of about 34,000 citizens per square kilometers within a total area of approximately 300 square kilometers. Dhaka is a megacity, and has a population of 10.2 million as of 2024, and a population of over 23.9 million in Dhaka Metropolitan Area. It is widely considered to be the most densely populated built-up urban area in the world. Dhaka is an important cultural, economic, and scientific hub of Eastern South Asia, as well as a major Muslim-majority city. Dhaka ranks third in South Asia and 39th in the world in terms of GDP. Lying on the Ganges Delta, it is bounded by the Buriganga, Turag, Dhaleshwari and Shitalakshya rivers. It is also the largest Bengali-speaking city in the world.