Nihon Aircraft Manufacturing Corporation Rise and Fall Story

Nihon Aircraft Manufacturing Corporation had a relatively short lifespan, existing from 1942 to 1945. Founded in 1942, the company was established to produce aircraft for the Japanese military during World War II.

The company's primary goal was to design and manufacture aircraft, including the NAM Ikari, a fighter aircraft that saw limited service. The NAM Ikari was a single-engine, single-seat fighter aircraft with a maximum speed of 450 km/h.

Nihon Aircraft Manufacturing Corporation's production facilities were located in Japan, and the company employed a significant workforce to meet the demands of the war effort.

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Nihon Aircraft Manufacturing Corporation was founded in April 1957 by a consortium of several Japanese manufacturing companies and university professors. The goal was to design and manufacture a Japanese civilian turboprop airliner to replace the aging Douglas DC-3.

The company, initially called the Nihon Aeroplane Manufacturing Company (NAMC), was a joint venture between Mitsubishi Heavy Industries, Kawasaki Heavy Industries, Fuji Heavy Industries, Shinmeiwa Manufacturing, Sumitomo, Japan Aircraft, Showa Aircraft, and Kawasaki Heavy Industries.

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NAMC was essentially a "paper company", relying on personnel and infrastructure provided by its constituent manufacturers. Each party was responsible for designing and manufacturing a different section of the plane.

Here's a breakdown of the workshare among the companies:

The YS-11, the aircraft designed and manufactured by NAMC, was capable of seating up to 60 passengers and was powered by the Rolls-Royce Dart RDa.10/1 powerplant.

The YS-11 was a turboprop airliner built by the Japanese consortium NAMC, with a unique approach to design and production. Each company involved in the project was responsible for a different section of the plane, with Mitsubishi handling the fore and middle fuselage, accounting for 54.2% of the completed aircraft.

The YS-11 was the first original Japanese-designed aircraft following World War II, and it was a significant achievement for the country's aviation industry. It was designed to deliver similar operational performance to the four-engined Vickers Viscount, with 50% more capacity than the similarly-configured Fokker F.27.

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The aircraft's specifications included a span of 105 ft 0 in, a length of 86 ft 3 in, and a height of 29 ft 6 in. It had a wing area of 1,020.4 ft², an empty weight of 14,600 kg, and a payload of 11,904 lb.

Here's a breakdown of the companies involved in the project and their responsibilities:

The YS-11 was powered by two Rolls-Royce Dart Mk.542-10K turboprop engines, each producing 3,060 shp. It had a cruising speed of 282 mph, a range of 1,367 mi, and a service ceiling of 22,900 ft.

The Nihon Aircraft Manufacturing Corporation, or NAMC, has a fascinating story to tell. The company was established in 1957 as a result of the Japanese Ministry of International Trade and Industry's (MITI) initiative to develop a domestic airliner to replace Douglas DC-3s flying on Japan's domestic routes.

The YS-11, NAMC's first commercial airliner, was developed with government subsidies and the collaboration of Japan's aircraft industry. The program was initially seen as a key initiative towards the post-war revival of the nation's aircraft companies.

However, the YS-11 program incurred persistent losses, with an outstanding debt of $600 million by the late 1960s. This was largely due to a lack of significant international sales and a flawed program organization that made the manufacturers responsible for the debt.

The program's operational mindset was closer to that of a military project than a commercial one, with a preoccupation with government-issued performance criteria that obstructed considerations for the actual desires of commercial operators. This failure to address the needs of airlines was a major contributing cause of the program's poor commercial reception.

The end of the YS-11 program was precipitated by the 1971 Smithsonian Agreement, which led to an appreciation in the value of the Japanese yen and a resulting impact on the nation's economy.

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After the Second World War, Japan was forbidden from producing airplanes that could be used for rearmament, but this restriction was loosened during the Korean War, allowing for the possibility of a Japanese company producing a commercial aircraft.

The Japanese Ministry of International Trade and Industry (MITI) identified a need for a short-haul airliner to replace the Douglas DC-3s flying on Japan's domestic routes in the mid-to-late 1950s.

A Commercial Transport Design Research Association was established in May 1957 to develop and produce a domestic airliner.

The government guaranteed the availability of subsidies for this project, viewing the development of a domestic airliner as a key initiative towards the post-war revival of the nation's aircraft companies.

The Japanese Defense Agency (JDA) recognized the potential value of adopting the type for multiple branches, extending to the technologies involved in its development and manufacture.

From the government's viewpoint, the development of a domestic airliner was a key initiative towards the post-war revival of the nation's aircraft companies, aiming to become a competitor in the global airliner industry.

The development of a domestic airliner was conceived primarily in a commercial context, but its value for the JDA was also recognized early on.

The YS-11 programme was plagued by a lack of significant international sales, leading to persistent losses and an outstanding debt of $600 million.

This debt was solely held by NAMC, with the aircraft manufacturers themselves being let off the hook. It's hard to imagine a business model that doesn't hold its partners accountable for losses.

Mercado criticized this approach as it meant there was no incentive for the individual companies to make cost savings while simultaneously guaranteeing profit to them on every plane produced.

Some participants in the programme saw it as a training ground for their employees' skills rather than a serious commercial initiative, which is a pretty cynical view.

The programme's operational mindset was more like a military project than a commercial one, with a preoccupation with government-issued performance criteria that didn't take into account the actual needs of the commercial operators.

As Japan's first post-war airliner, NAMC lacked experience in marketing towards airlines, which put them at a disadvantage against rival airframers.

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The 1971 Smithsonian Agreement led to an appreciation in the value of the Japanese yen, which had a devastating impact on the nation's economy and ultimately led to the end of the YS-11 programme.

By 1973, production had ceased, and the last YS-11 was delivered to the Japanese Maritime Self-Defence Force.

NAMC was left with a massive debt of 36 billion Yen, which ultimately led to its downfall and disbandment in 1983.

The YS-11 was a game-changer in the global airliner business, offering 50% more seats than its Dutch rival, the Fokker F27 'Friendship', with room for 60 passengers.

It was powered by two Rolls-Royce Dart engines, a different setup than its British contemporary, the Vickers Viscount, which had four engines.

Despite its unique configuration, the YS-11's performance easily matched the Viscount's.

Testing the YS-11 was not without its challenges, with issues like excessive noise and vibration, and tendencies to stray to the right due to its propellers' wake.

These problems were eventually resolved, and the YS-11 entered revenue service with Tao Airways in April 1965.

Piedmont Airlines (PT) became the largest international operator of the type, ordering ten YS-11s with options for a further ten in October 1967.

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The YS-11 was a successful commercial aircraft made by a Japanese firm, and it's interesting to note that 182 were produced in total. This is quite a remarkable achievement, especially considering the YS-11 was the first original Japanese designed aircraft following World War II.

The YS-11 was designed and manufactured by a consortium of companies, including Mitsubishi Heavy Industries and Fuji Heavy Industries. This collaboration was crucial in the development and production of the aircraft.

One of the notable features of the YS-11 was its ability to deliver similar operational performance to the four-engined Vickers Viscount, while having 50% more capacity than the similarly-configured Fokker F.27. This made it a competitive option for airlines.

The YS-11 was powered by two Rolls-Royce Dart Mk.542-10K turboprop engines, each producing 3,060 shp (2,280 kW). The aircraft had a maximum takeoff weight of 51,808 lb (23,500 kg) and a range of 1,367 mi (1,188 NM, 2,200 km).

Here are the different sections of the YS-11, each contributed by a different company:

The YS-11 had a crew of two and a capacity of 52-64 passengers. It had a service ceiling of 22,900 ft. (6,982 m) and a rate of climb of 1,220 ft/min (6.2 m/s).

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