The Avia BH-21 was a fighter biplane designed and produced by the Czechoslovakian aircraft manufacturer Avia. First flown in January 1925, it served an important role in securing Czechoslovak national security during the Interwar period.

2021年9月15日 · Designed in 1922 to an official Czechoslovak Defense Department requirement calling for an all-modern fighter solution, the BH-21 was a further evolution of the earlier BH-17 design (indeed, the latter served as the former's prototype) - a single-seat, single-engine biplane fighter appearing in 1924 and manufactured in 24 examples.

The Avia BH-21, powered by the Hispano-Suiza engine, proved favored due to its aerobatic capabilities and reliability. Its ultimate role was as an interim fighter, bridging the gap between the outdated Nieuport NiD 29 and the advanced Fairey Firefly, while maintaining Sabca's license production lines.

Avia B-21 byl československý celodřevěný dvouplošný stíhací letoun vyráběný v továrně Avia a velmi úspěšný stíhací letoun meziválečné československé výroby. Byl zaveden i v belgickém vojenském letectvu, kde jej stavěli v licenci v letech 1927 -28.

The Avia BH-21, first built in 1925, was a robust biplane that served an important role in securing Czechoslovak national security during the period between World War I and World War II. As well as being a competent fighter, it was also an accomplished racer, winning several air races of its...

Avia BH-21 produced under license by the belgian company SABCA. The aircraft carries the coloring, in which he served in the ranks of 1ere Escadrille de Chasse, belgian air force. Machine BH-21 lasted in the belgian service only a very short period of time - the belgian air force is carried out roughly between the years 1926 to 1930..

Single engine single seat fighter. After the first World War and in the early twenties, the Belgian Aviation Militaire was equipped with a mix of aircraft originating from countries as diverse as France, Great Britain and even Germany (“butin de guerre” Fokker D.VII's) creating what we now would call "a logistical nightmare".

2022年9月21日 · Jednomístný jednomotorový stíhací dvouplošník továrny Avia, označený Avia BH-21 (vojenské označení B-21), se stal jedním z nejvýznamnějších letounů čs. výroby v historii čs. letectví. Definitivně a úspěšně nahradil po roce 1925 spolu s letounem Letov Š-20 ve výzbroji našich československých stíhacích letek ...

Avia BH.21 bol česko-slovenský stíhací dvojplošník z obdobia medzi svetovými vojnami. Po vzniku Česko-Slovenska disponovalo naše novovzniknuté letectvo viacerými typmi lietadiel, ktorých prevádzkovateľnosť prudko klesala a vznikla potreba ich nahradenia.

Un BH-21 fut spécialement préparé pour une participation à des compétitions. Connu sous la désignation BH-21R, il était doté d'un moteur préparé d'une plus grande puissance, Hispano-Suiza 8Fb à compresseur, développant 400 ch, et entraînant une hélice Reed-Levasseur.