Gregory Polek has spent his entire career in aviation journalism with AIN, starting as a proofreader and assistant to then-managing editor Mary Mahoney in 1995 after serving an internship with&nbsp;New Jersey Monthly&nbsp;magazine and completing his B.A. degree in English/Writing at New Jersey’s William Paterson College. By 1997 Polek accepted a position as an associate editor, covering the regional airline beat for&nbsp;Aviation International News&nbsp;in place of retiring industry veteran Don Anderson. The assignment took Polek across North America and Europe to profile regional airlines varying in size and mission from the likes of floatplane operators Kenmore Air and Chalk’s Ocean Airways to regional jet operators such as SkyWest and American Eagle. Today, in his dual role as Air Transport Editor and International Airshow Editor, Polek writes, edits, and manages AIN’s commercial aviation content while overseeing each of the company’s daily international air show publications in Paris, Farnborough, Singapore, and Dubai. Most recently Polek has assumed oversight of daily coverage of the Helicopter Association International’s annual Heli-Expo convention.

Senior Editor

Gregory Polek

The Irkut MC-21-300 resumed regular test flights outside Moscow on Thursday following an interruption in the program caused by Covid-19-related recommendations from Russian authorities.

 


United Aircraft Corporation reported a gradual increase in flight test intensity by the four MC-21 flying prototypes since the start of this year. Out of 650 flights needed to obtain a Russian certificate, the program has completed more than 300.

 


Two of the MC-21 flight test articles carry passenger cabins, one in a two-class, 163-seat layout, and the other in a “super-dense” 211-seat configuration. &nbsp;&nbsp;

 


The MC-21s have performed flights at altitudes and speeds typical of revenue service operations, UAC said. The test team has finished flutter testing and most of the tests related to extreme angles of attack. Other tests have involved determining minimum separation speeds, instrument landing system operation, navigation, landing systems, and external lighting equipment at night. &nbsp;

 


Meanwhile, the TsAGI engineering institute has performed the bulk of static trials with two ground test articles, including life cycle validation.

 


Finally, UAC reported that “significant efforts” now center on software development and testing.

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