HAL Hands Over Fiftieth AL31FP Engine For Su-30MKI to IAF

India’s state-owned aircraft manufacturer, Hindustan Aeronautics Limited (HAL) has handed over the fiftieth AL31FP engine meant for the Su-30MKI fighter jet to the Indian Air Force (IAF) on Monday.

The engine, manufactured from raw materials by Sukhoi Engine Division of HAL in Koraput, Orissa state has been handed over to IAF in Delhi yesterday as part of celebrations of 70th year of India Russia diplomatic relationship.

“The AL31FP engine powers Su30 MKI and is manufactured from raw material stage. All the components, including heavy forgings are manufactured at HAL”, said Mr. T. Suvarna Raju, CMD, HAL.  He handed over the documents related to the 50th Raw Material Phase Engine of Su-30MKI to Air Marshal S.B. Deo, VCAS.

It is a twin spool, axial flow, low bypass turbo fan engine incorporating After Burner System, variable area Jet Nozzle with thrust vectoring, air-to-air heat exchanger, anti-surge system.

A specific feature of AL-31FP is an axi-symmetric vectoring nozzle with a thrust vector angle of ±15 degres in the vertical plane providing super maneuverability of the aircraft. The vectoring nozzle control is integrated with the engine control system.

The AL-31FP engines ensure stable operation in all available evolutions of the aircraft in super maneuverability modes. Till date 357 engines are manufactured which includes engines of phase I to phase V.