The Aerospatiale Alouette – III is a single-engine, light utility helicopter developed by the French Sud Aviation. The Alouette – III (Variant: SA 316B) is being built under license by HAL as Chetak. The helicopter is primarily used for SAR and high altitude operations in the Indian Air Force.

The HAL Chetak Stencil is a 100% Cotton T-Shirt made for those who operate the pure flying machine called HAL Chetak.