Rustom-2, which crashed in Karnataka recently, was a/an

Rustom-2, which crashed in Karnataka recently, was a/an

fighter aircraft
helicopter
transport aircraft
unmanned aerial vehicle
This question was previously asked in
UPSC CDS-1 – 2020
D
Rustom-2, also known as TAPAS BH-201, is an Unmanned Aerial Vehicle (UAV) developed by the Defence Research and Development Organisation (DRDO) of India.
It is a Medium Altitude Long Endurance (MALE) UAV designed for surveillance, reconnaissance, and target acquisition roles. A prototype of Rustom-2 crashed during a test flight in Karnataka, which is likely the incident referred to in the question.