The MD Helicopters MD 500 series is an American family of light utility civilian and military helicopters. The MD 500 was developed from the Hughes 500, a civilian version of the US …

1990年2月28日 · An MD 530N helicopter took to the air for the first time on December 29, 1989. This McDonnell Douglas offering, which features the NOTAR anti-torque system, is reputed to …

On 29 December 1989, MD successfully flew the first NOTAR-equipped production model, the MD 530N. Is was a 15 minute flight and took place at the company's facilities at Mesa, …

McDo~nell Douglas MD 530N helicopter, are planned to take place ber.veen 1992 and 1994. eqUipped with the company's NOTAA"'" anti-torque sy.>t.em, lieN for the first time al …

2019年5月8日 · Certificated in more than 20 countries, the MD-520N is known as the Defender in its military guise, being developed for the US Army as the MH-6J. Roles for the series include …

MD 530N: The MD 530N, the first production helicopter to be fitted with the NOTAR anti-torque system, uses the MD 530K airframe, is powered by the Allison 250-C30 derated to 425shp, …

MD 520N to MD 530N Conversion: MD Helicopters is working on an STC (Supplemental Type Certificate) project to certify the use of a Rolls Royce 250-C30 engine in the MD 520N, which …

The MD 530F is a five-blade, four-passenger, single-engine, single-pilot capable, multipurpose aircraft designed to meet extreme requirements in hot-temperature, high-altitude operations. …

The MD 530N was abandoned, customer interest being focused on the MD 520N, with the type being certified in September 1991, and initial customer deliveries at the end of the year. The …

2011年4月15日 · Advanced military model based on the 530N 600N Enlarged 520N with a 6-bladed rotor and a more powerful engine allowing carriage of 7-8 passengers, may also be …