In dictionaries:
alca torda
Seabird, black and white plumage.
genus alca
Genus of medium-sized seabirds.
alca impennis
Extinct flightless bird, North Atlantic.
Aero L-159 ALCA
a subsonic light combat aircraft and advanced trainer developed in the single-seat L-159A and two-seat L-159B versions, respectively, produced in the Czech Republic by Aero Vodochody.
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