Hindustan Aeronautics Limited designs, develops, manufactures, repairs, refurbishes, upgrades and maintains a wide range of products including aircraft, helicopters, aircraft engines, avionics, accessories and aerostructures. Its aircraft portfolio includes Hawk Advanced Jet Trainer, Light Combat Aircraft (LCA), Su-30 MKI, Intermediate Jet Trainer (IJT) and Dornier Do-228 aircraft. Its helicopter portfolio includes Advanced Light Helicopter (ALH-DHRUV), Cheetah Helicopter, Chetak Helicopter and Lancer Helicopter. Its avionics portfolio includes an inertial navigation system, automatic stabilizer, head-up display, laser ranging system, flight data recorder, communications equipment, radio navigation equipment and secondary aircraft radars. Its range of systems and accessories includes a hydraulic system, wheels and braking system, and flight control system. It also designs and manufactures jigs and models and pressure testing equipment.