1050:
1111:
625:
603:
222:
286:
1087:
1116:
1126:
596:
1016:
581:
589:
279:
560:
334:
1131:
1080:
621:
84:
41:
617:
88:
59:
1106:
995:
990:
555:
339:
272:
722:
502:
1073:
980:
565:
319:
314:
662:
613:
264:
975:
947:
892:
882:
80:
1021:
1011:
970:
872:
902:
837:
777:
652:
329:
1121:
847:
842:
802:
752:
742:
737:
732:
425:
299:
250:
1057:
952:
917:
897:
481:
476:
471:
466:
461:
420:
360:
355:
922:
907:
570:
324:
942:
887:
832:
767:
727:
717:
702:
697:
692:
642:
365:
1100:
932:
857:
817:
812:
787:
405:
400:
390:
385:
380:
375:
370:
210:
937:
912:
877:
867:
852:
827:
792:
757:
539:
523:
445:
440:
435:
430:
415:
410:
395:
152:
927:
862:
807:
797:
782:
772:
762:
747:
707:
682:
677:
672:
667:
657:
647:
486:
295:
822:
687:
1049:
985:
254:
585:
268:
91:, First flown in 1930, only a single prototype was built.
1061:
1112:
1930s United States military reconnaissance aircraft
1004:
961:
633:
548:
532:
511:
495:
454:
348:
307:
205:
Aircraft of comparable role, configuration, and era
249:. New York: Duell, Sloan and Pierce. p. 182.
245:Historical Office of the Army Air Forces (1947).
155:radial piston engine , 236 hp (176 kW)
223:List of military aircraft of the United States
1081:
597:
280:
16:1930s American prototype observation aircraft
8:
1088:
1074:
1001:
604:
590:
582:
287:
273:
265:
247:The official pictorial history of the AAF
170:119 mph (192 km/h, 103 kn)
1056:This aircraft of the 1930s article is a
234:
176:95 mph (153 km/h, 83 kn)
240:
238:
18:
7:
1046:
1044:
127:37 ft 3 in (11.35 m)
1060:. You can help Knowledge (XXG) by
121:27 ft 1 in (8.26 m)
14:
133:9 ft 9 in (2.97 m)
1048:
1117:Single-engined tractor aircraft
1:
300:Keystone and Keystone-Loening
182:18,625 ft (5,677 m)
145:2,518 lb (1,142 kg)
85:Keystone Aircraft Corporation
42:Keystone Aircraft Corporation
1127:Aircraft first flown in 1930
89:United States Army Air Corps
60:United States Army Air Corps
139:1,776 lb (806 kg)
1148:
1043:
79:was an American prototype
1034:
308:Manufacturer designations
21:
195:2 x .30-cal machine guns
106:General characteristics
95:Specifications (XO-15)
1132:1930s aircraft stubs
1005:Related designations
962:Tri-Service sequence
634:USAAC/USAAF sequence
614:observation aircraft
512:Observation aircraft
81:observation aircraft
30:Observation aircraft
56:Primary user
1107:Keystone aircraft
1069:
1068:
1041:
1040:
1030:
1029:
579:
578:
73:
72:
1139:
1090:
1083:
1076:
1052:
1045:
1002:
606:
599:
592:
583:
289:
282:
275:
266:
259:
258:
242:
190:
180:Service ceiling:
163:
108:
32:Type of aircraft
19:
1147:
1146:
1142:
1141:
1140:
1138:
1137:
1136:
1097:
1096:
1095:
1094:
1042:
1037:
1026:
1000:
963:
957:
635:
629:
610:
580:
575:
544:
528:
507:
496:Patrol aircraft
491:
450:
344:
303:
293:
263:
262:
244:
243:
236:
231:
202:
191:
186:
159:
104:
97:
83:, built by the
33:
22:Keystone XO-15
17:
12:
11:
5:
1145:
1143:
1135:
1134:
1129:
1124:
1119:
1114:
1109:
1099:
1098:
1093:
1092:
1085:
1078:
1070:
1067:
1066:
1053:
1039:
1038:
1035:
1032:
1031:
1028:
1027:
1025:
1024:
1019:
1014:
1008:
1006:
999:
998:
993:
988:
983:
978:
973:
967:
965:
964:(1962–present)
959:
958:
956:
955:
950:
945:
940:
935:
930:
925:
920:
915:
910:
905:
900:
895:
890:
885:
880:
875:
870:
865:
860:
855:
850:
845:
840:
835:
830:
825:
820:
815:
810:
805:
800:
795:
790:
785:
780:
775:
770:
765:
760:
755:
750:
745:
740:
735:
730:
725:
720:
715:
710:
705:
700:
695:
690:
685:
680:
675:
670:
665:
660:
655:
650:
645:
639:
637:
631:
630:
616:designations,
612:United States
611:
609:
608:
601:
594:
586:
577:
576:
574:
573:
568:
563:
558:
552:
550:
546:
545:
543:
542:
536:
534:
533:Scout aircraft
530:
529:
527:
526:
521:
515:
513:
509:
508:
506:
505:
499:
497:
493:
492:
490:
489:
484:
479:
474:
469:
464:
458:
456:
452:
451:
449:
448:
443:
438:
433:
428:
423:
418:
413:
408:
403:
398:
393:
388:
383:
378:
373:
368:
363:
358:
352:
350:
346:
345:
343:
342:
337:
332:
327:
322:
317:
311:
309:
305:
304:
294:
292:
291:
284:
277:
269:
261:
260:
233:
232:
230:
227:
226:
225:
214:
213:
201:
198:
197:
196:
184:
183:
177:
171:
168:Maximum speed:
157:
156:
146:
140:
134:
128:
122:
116:
96:
93:
77:Keystone XO-15
71:
70:
67:
63:
62:
57:
53:
52:
49:
45:
44:
39:
35:
34:
31:
28:
24:
23:
15:
13:
10:
9:
6:
4:
3:
2:
1144:
1133:
1130:
1128:
1125:
1123:
1120:
1118:
1115:
1113:
1110:
1108:
1105:
1104:
1102:
1091:
1086:
1084:
1079:
1077:
1072:
1071:
1065:
1063:
1059:
1054:
1051:
1047:
1033:
1023:
1020:
1018:
1015:
1013:
1010:
1009:
1007:
1003:
997:
994:
992:
989:
987:
984:
982:
979:
977:
974:
972:
969:
968:
966:
960:
954:
951:
949:
946:
944:
941:
939:
936:
934:
931:
929:
926:
924:
921:
919:
916:
914:
911:
909:
906:
904:
901:
899:
896:
894:
891:
889:
886:
884:
881:
879:
876:
874:
871:
869:
866:
864:
861:
859:
856:
854:
851:
849:
846:
844:
841:
839:
836:
834:
831:
829:
826:
824:
821:
819:
816:
814:
811:
809:
806:
804:
801:
799:
796:
794:
791:
789:
786:
784:
781:
779:
776:
774:
771:
769:
766:
764:
761:
759:
756:
754:
751:
749:
746:
744:
741:
739:
736:
734:
731:
729:
726:
724:
721:
719:
716:
714:
711:
709:
706:
704:
701:
699:
696:
694:
691:
689:
686:
684:
681:
679:
676:
674:
671:
669:
666:
664:
661:
659:
656:
654:
651:
649:
646:
644:
641:
640:
638:
632:
627:
623:
619:
615:
607:
602:
600:
595:
593:
588:
587:
584:
572:
569:
567:
564:
562:
559:
557:
554:
553:
551:
547:
541:
538:
537:
535:
531:
525:
522:
520:
517:
516:
514:
510:
504:
501:
500:
498:
494:
488:
485:
483:
480:
478:
475:
473:
470:
468:
465:
463:
460:
459:
457:
453:
447:
444:
442:
439:
437:
434:
432:
429:
427:
424:
422:
419:
417:
414:
412:
409:
407:
404:
402:
399:
397:
394:
392:
389:
387:
384:
382:
379:
377:
374:
372:
369:
367:
364:
362:
359:
357:
354:
353:
351:
347:
341:
338:
336:
333:
331:
328:
326:
323:
321:
318:
316:
313:
312:
310:
306:
301:
297:
290:
285:
283:
278:
276:
271:
270:
267:
256:
252:
248:
241:
239:
235:
228:
224:
221:
220:
219:
218:
217:Related lists
212:
211:Douglas XO-14
209:
208:
207:
206:
199:
194:
193:
192:
189:
181:
178:
175:
174:Cruise speed:
172:
169:
166:
165:
164:
162:
154:
150:
147:
144:
143:Gross weight:
141:
138:
137:Empty weight:
135:
132:
129:
126:
123:
120:
117:
114:
111:
110:
109:
107:
102:
101:
94:
92:
90:
86:
82:
78:
68:
65:
64:
61:
58:
55:
54:
50:
48:First flight
47:
46:
43:
40:
38:Manufacturer
37:
36:
29:
26:
25:
20:
1062:expanding it
1055:
712:
518:
246:
216:
215:
204:
203:
187:
185:
179:
173:
167:
160:
158:
153:Wright R-790
148:
142:
136:
130:
124:
118:
112:
105:
103:
99:
98:
76:
74:
1036:Unconfirmed
636:(1924–1942)
626:Tri-Service
296:Huff-Daland
161:Performance
149:Powerplant:
1101:Categories
566:Pathfinder
255:B000GU84Z2
229:References
556:Air Yacht
125:Wingspan:
100:Data from
66:Produced
1122:Biplanes
561:Commuter
455:Trainers
302:aircraft
200:See also
188:Armament
87:for the
628:systems
349:Bombers
131:Height:
119:Length:
571:Pronto
253:
1022:OV-12
1017:OV-10
622:USAAF
618:USAAC
549:Names
519:XO-15
426:XHB-1
416:LB-14
411:LB-13
406:LB-12
401:LB-11
396:LB-10
366:XLB-3
361:XLB-1
315:HD.8A
113:Crew:
51:1930
27:Role
1058:stub
1012:OV-1
953:O-63
948:O-62
943:O-61
938:O-60
933:O-59
928:O-58
923:O-57
918:O-56
913:O-55
908:O-54
903:O-53
898:O-52
893:O-51
888:O-50
883:O-49
878:O-48
873:O-47
868:O-46
863:O-45
858:O-44
853:O-43
848:O-42
843:O-41
838:O-40
833:O-39
828:O-38
823:O-37
818:O-36
813:O-35
808:O-34
803:O-33
798:O-32
793:O-31
788:O-30
783:O-29
778:O-28
773:O-27
768:O-26
763:O-25
758:O-24
753:O-23
748:O-22
743:O-21
738:O-20
733:O-19
728:O-18
723:O-17
718:O-16
713:O-15
708:O-14
703:O-13
698:O-12
693:O-11
688:O-10
624:and
540:XS2L
482:AT-2
477:AT-1
472:TW-5
467:TA-6
462:TA-2
421:XB-1
391:LB-9
386:LB-8
381:LB-7
376:LB-6
371:LB-5
356:LB-1
340:K-85
335:K-84
330:K-78
325:K-55
320:K-47
251:ASIN
151:1 Ă—
75:The
996:O-6
991:O-5
986:O-4
981:O-3
976:O-2
971:O-1
683:O-9
678:O-8
673:O-7
668:O-6
663:O-5
658:O-4
653:O-3
648:O-2
643:O-1
524:XOK
446:B-6
441:B-5
436:B-4
431:B-3
115:Two
1103::
503:PK
487:NK
298:,
237:^
69:1
1089:e
1082:t
1075:v
1064:.
620:/
605:e
598:t
591:v
288:e
281:t
274:v
257:.
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.