22:
839:
436:
32:
834:
429:
824:
422:
47:
398:
Kudlicka, Bohumir (February 2002). "On "nocturne" tchéoslovaque: l'Aero A-21" [Czech
Nightlife: The Aero A-21].
90:
362:
62:
254:
69:
736:
183:
76:
135:
741:
58:
726:
716:
783:
767:
731:
721:
829:
403:
178:
reconnaissance-bomber. The aircraft was developed specifically as a night-trainer, to teach
167:
128:
762:
179:
150:
445:
312:
171:
140:
83:
818:
798:
793:
788:
640:
585:
803:
757:
21:
414:
711:
706:
701:
696:
691:
665:
660:
650:
645:
625:
620:
615:
610:
480:
475:
470:
465:
460:
407:
675:
670:
655:
635:
630:
605:
600:
595:
590:
580:
575:
570:
565:
560:
555:
550:
545:
540:
530:
525:
520:
515:
510:
505:
500:
495:
490:
350:
345:
340:
335:
330:
175:
485:
163:
257:
6-cyl. water-cooled in-line piston engine, 130 kW (180 hp)
418:
15:
39:
43:
776:
750:
684:
453:
146:
134:
123:
118:
113:
430:
8:
840:1920s Czechoslovak military trainer aircraft
400:Avions: Toute l'AĂ©ronautique et son histoire
48:introducing citations to additional sources
437:
423:
415:
296:21 min 3 s to 3,000 m (9,800 ft)
110:
381:
272:170 km/h (110 mph, 92 kn)
197:On "nocturne" tchéoslovaque: l'Aero A-21
38:Relevant discussion may be found on the
374:
284:340 km (210 mi, 180 nmi)
278:150 km/h (93 mph, 81 kn)
302:36 kg/m (7.4 lb/sq ft)
7:
235:36.51 m (393.0 sq ft)
223:12.78 m (41 ft 11 in)
229:3.16 m (10 ft 4 in)
217:8.10 m (26 ft 7 in)
14:
363:List of military trainer aircraft
31:relies largely or entirely on a
20:
835:Single-engined tractor aircraft
1:
290:6,500 m (21,300 ft)
255:Breitfeld & Danek Perun I
247:1,240 kg (2,734 lb)
184:instrument flying techniques
241:950 kg (2,094 lb)
856:
402:(in French) (107): 53–55.
825:Aero Vodochody aircraft
202:General characteristics
190:Specifications (A.21)
44:improve this article
446:Aero Vodochody/Aero
325:Related development
119:General information
812:
811:
294:Time to altitude:
156:
155:
109:
108:
94:
847:
439:
432:
425:
416:
411:
385:
379:
288:Service ceiling:
265:
204:
168:trainer aircraft
129:trainer aircraft
111:
104:
101:
95:
93:
52:
24:
16:
855:
854:
850:
849:
848:
846:
845:
844:
815:
814:
813:
808:
772:
746:
680:
449:
443:
397:
394:
389:
388:
380:
376:
371:
322:
309:
261:
200:
192:
180:Czech Air Force
151:Czech Air Force
105:
99:
96:
53:
51:
37:
25:
12:
11:
5:
853:
851:
843:
842:
837:
832:
827:
817:
816:
810:
809:
807:
806:
801:
796:
791:
786:
780:
778:
774:
773:
771:
770:
765:
760:
754:
752:
748:
747:
745:
744:
739:
734:
729:
724:
719:
714:
709:
704:
699:
694:
688:
686:
682:
681:
679:
678:
673:
668:
663:
658:
653:
648:
643:
638:
633:
628:
623:
618:
613:
608:
603:
598:
593:
588:
583:
578:
573:
568:
563:
558:
553:
548:
543:
538:
533:
528:
523:
518:
513:
508:
503:
498:
493:
488:
483:
478:
473:
468:
463:
457:
455:
451:
450:
444:
442:
441:
434:
427:
419:
413:
412:
393:
390:
387:
386:
373:
372:
370:
367:
366:
365:
354:
353:
348:
343:
338:
333:
321:
318:
317:
316:
313:Czechoslovakia
308:
305:
304:
303:
297:
291:
285:
279:
273:
270:Maximum speed:
259:
258:
248:
242:
236:
230:
224:
218:
212:
191:
188:
172:Czechoslovakia
154:
153:
148:
144:
143:
141:Aero Vodochody
138:
132:
131:
125:
121:
120:
116:
115:
107:
106:
42:. Please help
28:
26:
19:
13:
10:
9:
6:
4:
3:
2:
852:
841:
838:
836:
833:
831:
828:
826:
823:
822:
820:
805:
802:
800:
797:
795:
792:
790:
787:
785:
782:
781:
779:
777:Under licence
775:
769:
766:
764:
761:
759:
756:
755:
753:
749:
743:
740:
738:
735:
733:
730:
728:
725:
723:
720:
718:
715:
713:
710:
708:
705:
703:
700:
698:
695:
693:
690:
689:
687:
683:
677:
674:
672:
669:
667:
664:
662:
659:
657:
654:
652:
649:
647:
644:
642:
639:
637:
634:
632:
629:
627:
624:
622:
619:
617:
614:
612:
609:
607:
604:
602:
599:
597:
594:
592:
589:
587:
584:
582:
579:
577:
574:
572:
569:
567:
564:
562:
559:
557:
554:
552:
549:
547:
544:
542:
539:
537:
534:
532:
529:
527:
524:
522:
519:
517:
514:
512:
509:
507:
504:
502:
499:
497:
494:
492:
489:
487:
484:
482:
479:
477:
474:
472:
469:
467:
464:
462:
459:
458:
456:
452:
447:
440:
435:
433:
428:
426:
421:
420:
417:
409:
405:
401:
396:
395:
391:
384:, p. 53.
383:
382:Kudlicka 2002
378:
375:
368:
364:
361:
360:
359:
358:
357:Related lists
352:
349:
347:
344:
342:
339:
337:
334:
332:
329:
328:
327:
326:
319:
314:
311:
310:
306:
301:
300:Wing loading:
298:
295:
292:
289:
286:
283:
280:
277:
276:Cruise speed:
274:
271:
268:
267:
266:
264:
256:
252:
249:
246:
245:Gross weight:
243:
240:
239:Empty weight:
237:
234:
231:
228:
225:
222:
219:
216:
213:
210:
207:
206:
205:
203:
198:
196:
189:
187:
185:
181:
177:
173:
170:developed in
169:
165:
161:
152:
149:
145:
142:
139:
137:
133:
130:
126:
122:
117:
112:
103:
92:
89:
85:
82:
78:
75:
71:
68:
64:
61: –
60:
56:
55:Find sources:
49:
45:
41:
35:
34:
33:single source
29:This article
27:
23:
18:
17:
751:1993-present
535:
399:
392:Bibliography
377:
356:
355:
324:
323:
299:
293:
287:
281:
275:
269:
262:
260:
250:
244:
238:
232:
226:
220:
214:
208:
201:
199:
194:
193:
159:
157:
147:Primary user
136:Manufacturer
97:
87:
80:
73:
66:
54:
30:
263:Performance
251:Powerplant:
59:"Aero A.21"
819:Categories
233:Wing area:
70:newspapers
685:1945-1992
454:1919-1938
408:1243-8650
369:Citations
351:Aero A.29
346:Aero A.25
341:Aero A.22
336:Aero A.12
331:Aero A.11
307:Operators
221:Wingspan:
195:Data from
176:Aero A.11
174:from the
166:military
160:Aero A.21
114:Aero A.21
40:talk page
830:Biplanes
448:aircraft
320:See also
100:May 2024
227:Height:
215:Length:
182:pilots
164:biplane
84:scholar
804:MB.200
784:DH.50A
768:Ae 270
758:L-39NG
712:Ae 345
707:Ae 245
702:Ae 145
406:
282:Range:
162:was a
127:Night
86:
79:
72:
65:
57:
794:C-103
763:L-159
697:Ae 50
692:Ae 45
676:A.430
671:A.330
666:A.304
661:A.300
656:A.230
651:A.204
646:A.200
641:A.134
636:A.130
631:A.125
626:A.104
621:A.102
616:A.101
611:A.100
481:Ae 10
476:Ae 04
471:Ae 03
466:Ae 02
461:Ae 01
209:Crew:
91:JSTOR
77:books
799:D-44
742:L-60
737:L-59
732:L-39
727:L-29
722:HC-3
717:HC-2
606:A.46
601:A.42
596:A.38
591:A.35
586:A.34
581:A.32
576:A.30
571:A.29
566:A.27
561:A.26
556:A.25
551:A.24
546:A.23
541:A.22
536:A.21
531:A.20
526:A.19
521:A.18
516:A.17
511:A.15
506:A.14
501:A.12
496:A.11
491:A.10
404:ISSN
253:1 Ă—
158:The
124:Type
63:news
789:C-3
486:A.8
46:by
821::
186:.
438:e
431:t
424:v
410:.
315:.
211:2
102:)
98:(
88:·
81:·
74:·
67:·
50:.
36:.
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.