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Saturday, December 19, 2015

Indonesia aggressively develops the propeller aircrafts

PT. Dirgantara Indonesia (PTDI)/Indonesian Aerospace (IAe) in collaboration with Lembaga Penerbangan dan Antariksa Nasional (LAPAN)/Indonesian National Aeronautics and Space Institute plans to develop advanced aircraft post N-219 aircraft. Before the N-219 first flight in May 2016, PTDI and LAPAN in early 2016 will begin to develop passenger aircraft with a capacity of between 50 to 90 passengers ie N-245 and N-270.
The first N-219 prototype aircraft built in PT. Dirgantara Indonesia, Bandung. (Picture from: http://bit.ly/1PalV0h)
In early stage, PTDI and LAPAN entering the class of propeller aircraft with 50-60 passengers in 2016. This aircraft is N-245, which is a development of the CN-235  military version. PTDI and LAPAN start developing N-245, although the N-219 not fly because the aircraft development process from conceptual design and feasibility study, up to aircraft certification and production phases takes a long time.

"The process of aircraft development is not as easy as imagined, designed and then directly made it, which means the N-245 program began, while N-219 runs and was nearing completion. We (for N-219) conducted a market study together to create a conceptual design beforehand," says Head of Aircraft Programme of LAPAN, Agus Aribowo, to detikFinance on Tuesday, November 3, 2015.
The first N-219 prototype aircraft shown completely in public on Thursday, December 12, 2015 in PT. Dirgantara Indonesia, Bandung. (Picture from: http://bit.ly/1ZfnajG)
After doing a conceptual design and is known about the potential market, PTDI and LAPAN perform on the stage of a wind tunnel test phase 1. Furthermore, the PTDI and LAPAN verify the design and  followed the preliminary design, where the aircraft is already visible its aerodynamic shape.

The process then continues to the 2nd and 3rd wind tunnel tests, and then into the detailed design phase. Here, all components of aircraft drawn in detail. The next process is to builds the prototype.
Illustration of N-245 aircraft. (Picture from: http://bit.ly/1ObcrPc)
"After that roll out and finally the flight test in the context of certification," he explained. PTDI and LAPAN targeting could have the N-245 aircraft certification from the national aviation regulator at the end of 2019.
The plan of Indonesian transport aircraft development program. (Picture from: http://bit.ly/1PamFCM)
Agus explained, the development of N-245 is relatively less complex than the development of N219, because the N-245 is the development and refinement of CN-235 which has been developed by PTDI together with Airbus Military. With slight modifications, N-245 can have a capacity of 50 to 60 passengers.

"The market needs with basic capabilities of CN-235, and we will change the military version became the civilian version by replacing the engine that more efficient and more economical. Then avionics system on the cockpit replaced with new variants of the glass cockpit," he said.

For the N-270 variant, PTDI and LAPAN plan to develop this aircraft in the period 2019-2024. The N-270 is designed capable of carrying passengers between 70 to 90 people. "N-270 only lengthen the N-245 becomes 70-90 passengers. And made its development costs more economical," he explained. *** [EKA | FROM VARIOUS SOURCES | PTDI | LAPAN | DETIKFINANCE]
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