Niki Rotor Aviation

{{Infobox company

| name = Niki Rotor Aviation

| logo = Niki Rotor Aviation Logo 2014.png

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| type = Privately held company

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| location_city = Pravets

| location_country = Bulgaria

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| industry = Aerospace

| products = Autogyros

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| homepage = {{URL|nikiaviation.com}}

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Niki Rotor Aviation is a Bulgarian aircraft manufacturer based in Pravets. The company specializes in the design and manufacture of autogyros in the form of kits for amateur construction.Bayerl, Robby; Martin Berkemeier; et al: World Directory of Leisure Aviation 2011-12, page 184. WDLA UK, Lancaster UK, 2011. ISSN 1368-485X

The company is noted for its elegant, enclosed cockpit designs and its use of US-made Vortech and Sport Copter rotor blades.

The Niki 2004 model was developed into the stretched Niki 2004M and later into the faster Niki 2008 and Niki Apis. The Niki Lightning, originally designated as the Niki 2009, and Niki Kallithea are tandem two seat models, the Kallithea with a low-mounted tailboom under the propeller and the Lightning with a propeller-hub mounted tailboom.{{cite web|url = http://nikiaviation.com/en/models/lightning/specs|title = Lightning|accessdate = 25 December 2014|last = Niki Rotor Aviation|date = n.d.|archive-date = 25 December 2014|archive-url = https://web.archive.org/web/20141225181504/http://nikiaviation.com/en/models/lightning/specs|url-status = dead}}{{cite web|url = http://nikiaviation.com/en/models/kallithea/specs|title = Kallithea|accessdate = 25 December 2014|last = Niki Rotor Aviation|date = n.d.|archive-date = 25 December 2014|archive-url = https://web.archive.org/web/20141225181500/http://nikiaviation.com/en/models/kallithea/specs|url-status = dead}}