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HMA No. 1

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considerable experimentation in materials and manufacturing techniques was required before the final manufacturing processes were decided upon. The hull was made up of 40 twelve-sided transverse frames spaced 12.5 ft (3.8 m) apart: some of which were cross-braced by wires, dividing the structure into 17 bays of irregular length, varying from 12.5 ft to 37.5 ft (3.8 m to 11.4 m). The frames were connected by 12 longitudinal girders and a triangular section keel below the main structure. The hull shape was based on work by the American aerodynamicist
470:. It eventually righted, but as it was being swung round so that the nose would point back out to the dock, there were cracking sounds amidships and it broke in two. At that point the centre started to rise, and the crew in the aft gondola dived overboard causing the stern to rise. Subsequent damage was caused by a bracing cable on the top of the hull, which held fast causing several frames to be severely damaged as the hull was moved by the wind. There were no fatalities, and the wreck was returned to the shed the same day. 437: 31: 451: 374:"Two crews were used to look after the ship whilst out, as the work was new. They lived on board the airship and suffered no discomfort at all although no provision had been made for cooking or smoking on board. At night the temperature of the living space was a little above that of the outside air, but as the ship proved quite free from draughts in the keel and the cabin, it was anticipated that with suitable clothing, no trouble would be experienced from the cold." 327:
rear of the gondola. Equipment to recover water from the exhaust gases was fitted to replace the weight of fuel as it was consumed and so avoid the necessity to vent lifting gas. Considerable mistakes were made due to inexperience, Admiralty requirements, and in devices such as water recovery systems for engine exhaust.
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communication between the cars) to conduct engine trials, but these were cut short due to radiator problems. On the following day it was subjected to winds of 45 mph (72 km/h), and during the two nights it was out of the shed, searchlights were trained on it so that its movement could be observed.
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could begin. A screen was erected in the dock together with a newly designed 38 ft (12 m)-high floating mooring mast that was capable of withstanding a steady pull of 80 tons (81 tonnes). A large safety margin had been allowed; the maximum load the ship would exert on the mast was
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Experiments were also carried out to determine the most suitable material for the outer cover, resulting in the choice of a treated silk. The covering of the upper half was additionally treated to reduce heat absorption by adding aluminium powder to the coating. This resulted in the underside being
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which was ordered from Vickers in 1913. Other changes included deleting the forward elevators and the water recovery apparatus. The positions of the gondolas was also reversed, the heavier forward gondola being moved to the aft position. Also removed were the cabin and accommodations for the crew
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A court of inquiry's conclusion was that no-one could be attributed the blame for the incident, and that it would be reasonable to support the story that the squall was to blame. It was of such a force that later ships would have also been severely damaged if they had encountered it under the same
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showed no signs of rising, and it was discovered from calculations that the removal of fixtures weighing some three tons would be necessary to enable it to become airborne. It was decided to return it to the shed, where with all ballast, fuel and some equipment removed it floated for approximately
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Before construction began an experimental section was constructed. This used a variety of construction techniques: one end used hollow timber spars, the centre frame used a combination of timber and aluminium, while the other end used aluminium only. Although wood proved the most satisfactory, the
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The most drastic of the modifications was the removal of the external keel which resulted in both weakening and distorting the airship's framework. Hartley Pratt, a draughtsman working in another department at Vickers, calculated that this would be disastrous, but his warnings were ignored. Pratt
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water-cooled V-8 piston engine, that in the front gondola drove a pair of 11 ft 10 in (3.61 m) diameter four-bladed propellers mounted on outriggers and geared to rotate at half engine speed. The rear engine drove a single 15 ft (4.6 m) two-bladed propeller mounted at the
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became available, and it was decided to use this new alloy, which would allow a considerable weight saving while also forming a stronger structure. The use of Duralumin preceded its use by Zeppelin by four years. Development of HMA No. 1 involved essentially inventing the technology necessary and
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was removed from the shed for handling and mooring trials. It was towed stern first from its very narrow shed, then gradually swung out of Cavendish Dock and attached to a mooring mast mounted on a pontoon. While moored, nine officers remained on board (having quarters in the keel and telephone
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in Barrow, out to piles driven into the basin floor. It contained a float on which construction of the airship took place and which could be taken out of the shed together with the airship. Beginning in 1909, the work was due to be completed in August that year and the ship delivered two months
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and had a 50% larger volume, giving a correspondingly greater lift. His Majesty's Airship No. 1 was more commonly known as the "Mayfly", or simply referred to as "No. 1." In official records HMA No. 1 is often referred to by the name of the tender in which the crew was quartered,
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to be built, and was constructed in a direct attempt to compete with the German airship programme. Often referred to as "Mayfly", a nickname given to it by the lower deck (i.e. the non-commissioned component of a naval ship's crew), in public records it is designated 'HMA
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and the lack of British airships: "The 'May-fly' broke three years ago, and nothing further has been done. In non-rigid airships, Germany has seventeen, and against that we have two very inferior ones and two on order, but we are not doing anything in this respect."
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on 26 March 1913: "Altogether, compared with other navies, the British aeroplane service has started very well... I have a less satisfactory account to give of airships. Naval airship developments were retarded by various causes. The mishap which destroyed the
292:, and its head resistance was claimed to be 40% of that of contemporary Zeppelins. A fully streamlined shape had been proposed, but was rejected by the Admiralty as being too difficult to construct. It was not until 1918 that a truly streamlined airship, the 414:
five hours with both gondolas around 3 ft (0.91 m) out of the water. During this time the engineers were able to perform trim trials. It was obvious that drastic modifications to reduce weight must be made if HMA No. 1 was ever to fly.
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Lt.Col. W. Lockwood Marsh wrote: "This accident, though the ship was undoubtedly weak, was directly due to a mistake in handling, one of the parties on a hawser continuing to haul in without noticing that the after car had fouled a buoy."
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gas bags and outer cover, for which the Admiralty was required to provide contractors, and that they would erect a constructional shed at their own expense in return for a 10-year monopoly on airship construction, similar to the
247:, and was similar in design to contemporary Zeppelins, but with some major differences. At 512 ft (156 m) length and 46 ft (14 m) in diameter, it was 66 ft (20 m) longer than the contemporary 311:, consisted of quadruple rudders and triple elevators attached to the trailing edges of the cruciform tail surfaces, supplemented by forward mounted triplane elevators and small triple rudders behind the aft gondola. 261:, or the "Hermione Airship". The name Mayfly originated as a nickname originated by the sailors assigned to it. HMA No. 1 was essentially an experimental design and was therefore to be built as cheaply as possible. 427:
having a disposable lift of 3.21 tons. With the massive alterations Captain Murray Suter under pressure from the Admiralty solicitor was forced to provisionally accept No. 1 with the provision that she be flown.
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for the building of a dirigible balloon", and in March 1909 the armament firm of Vickers, Sons and Maxim advised that they could construct the ship for £28,000 (£3.7 million today), not including the
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of the time had a useful load of around 10,000 lb (4,500 kg) and were capable of flying at 37 mph (60 km/h). The Vickers design was intended to be moorable on water, carry
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Captain Sueter proposed that No. 1 be repaired and used for mooring experiments. He also proposed the building of two more airships to keep intact the design and manufacturing capability.
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later, but in June trouble occurred with driving the piles into the floor of the dock. Consequently, the shed was not completed until June 1910, at which point the actual construction of
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equipment, be capable of 40 kn (46 mph; 74 km/h) for 24 hours, have a ceiling of 1,500 ft (460 m), and carry a crew of 20 in comfort. The mooring was to be to a
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Static trials inside the shed began on 13 February 1911. The motors were run and controls operated, but outdoor trials could not be carried out until the weather moderated.
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from the shed. This consisted of a series of electric winches that could gently ease it out, even in windy conditions, and on 24 September 1911 it was decided to move
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on 24 October 1911 was generally dismissive of airships, favouring the development of heavier-than-air aircraft. As a result, no attempt was made to repair the
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to conduct full trials on 24 September 1911 it broke in two before it could attempt its first flight as a result of being subject to strong winds . Although
530:, as it would be more accurate to call it, at Barrow, was a very serious set-back to the development of Admiralty policy in airships." And on 31 March 1913 1061: 478:
was pulled in half by the handling party when someone forgot to release the lines that tethered the bows of the ship." Furthermore, in an article entitled
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while in port. So extreme were the attempts to reduce weight that holes were drilled in engine control levers. The changes resulted in the
1247: 1454: 531: 204:, recommended that the Navy should acquire an airship that would compete with the success of the early German rigid airships built by 352:, crew training commenced on 25 February 1910, covering important skills such as working the rubber fabric (carried out at Messrs 3743: 335:
The construction shed which also doubled as a hangar, was designed by Vickers and built from the wall of Cavendish Dock at their
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from the hangar for full testing. Just as the nose cleared the hangar door, a gust caused the ship to roll virtually onto its
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never flew, its brief career provided valuable training and experimental data for British airship crews and designers.
1122: 677: 467: 360:, London), instructions in petrol engines at Vickers works, and instruction in signals, aeronautics and meteorology. 1212: 232:
N. F. Usborne at the Admiralty and C. G. Robertson of Vickers; however, the 10-year monopoly clause was refused.
1447: 534:- who would himself later become First Lord of the Admiralty, made the following comment regarding the fate of 3080: 3075: 3070: 3065: 3060: 3055: 3045: 1022: 1302: 1297: 1292: 1272: 1267: 1262: 1257: 1157:"Balloon fabrics made of Goldbeater's skins by Chollet, L. Technical Section of Aeronautics. December 1922" 1205: 1197: 1190: 747: 1234: 211:. The British Government agreed that a sum of £35,000 (£4.6 million today) "should be allocated to the 201: 345:
calculated to be approximately 4 tons (4 tonnes) in a wind of 80 mph (130 km/h).
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subsequently left the company, but was re-hired to lead the design of the next British airship, the
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process to make them watertight so that the craft could be operated off water. Each contained a
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was the first rigid airship to be fitted with the mooring equipment in the nose of the ship.
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circumstances. Commander Masterman is reported as stating unofficially that, "
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never flew, performance figures are theoretical. Engine data from Lumsden)
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Winston Churchill, The First Lord of the Admiralty (23 March 1913).
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provided valuable technical experience for British airship designers.
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Sir Bolton Eyres-Monsell, MP for Evesham (31 March 1913).
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While under cover, an improved system was devised for removing
419: 268: 205: 619:(each driving 2 propellers), 147 hp (110 kW) each 3282: 1462: 1420: 1415: 1410: 498:, who was an advocate of airship development was no longer 303:
The design of the control surfaces, based on a design by
1059: 891:. No. 39592. London. 23 May 1911. col D, p. 8. 159:
because the naval contingent at Barrow were attached to
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British Admiralty and Imperial Airship Scheme airships
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The Airship Heritage Trust. Retrieved on 1 March 2009.
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The Admiralty's officer responsible for the design of
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Airshipsonline home page, The Airship Heritage Trust
1117:. Marlborough, Wiltshire: Airlife Publishing, 2003. 1038: 3735: 1130:Giants in the Sky: History of the Rigid Airship. 542:Despite never having flown, the brief career of 517:Churchill later made the following statement in 300:primrose yellow and the top aluminium coloured. 16:Rigid airship of the Royal Navy (completed 1911) 913:Usborne family tree. Retrieved on 1 March 2009. 170:moored locally preparing to act as its tender. 109:Abandoned project; airship wrecked by winds on 1096:. Lavenham, Suffolk: Terence Dalton Ltd, 1984 742: 740: 738: 143:, England, as an aerial scout airship for the 1448: 1213: 494:Reginald Bacon had left the Navy in 1909 and 1029:, 3 January 1930. Retrieved on 8 April 2009. 670:Pioneer Aircraft; Early Aviation before 1914 561:(sources do not agree on all values; and as 735: 640:1,090 mi (1,750 km, 950 nmi) 1455: 1441: 1220: 1206: 330: 1115:British Piston Engines and their Aircraft 393:was the largest airship yet constructed. 449: 435: 283:Admiralty preferred metal. In late 1909 3759:1910s British military trainer aircraft 958:p 6 quoting Official History of Vickers 904: 597:660,000 cu ft (19,000 m) 3736: 1023:"Twenty-One Years of Airship Progress" 1000: 998: 996: 994: 984: 982: 932: 930: 928: 828: 826: 725: 723: 721: 634:42 mph (68 km/h, 36 kn) 1436: 1201: 807: 805: 719: 717: 715: 713: 711: 709: 707: 705: 703: 701: 585:512 ft 0 in (156.06 m) 348:In preparation for the completion of 314:The two gondolas were constructed of 307:and adopted after experiments by the 1132:Henley-on-Thames, UK: Foulis, 1973. 514:and it was left to rot in its shed. 480:Twenty-One Years of Airship Progress 3754:1910s British experimental aircraft 3719:Vickers Instructional Machine (VIM) 1108:The British Rigid Airship 1908–1931 1049:. House of Commons. col. 1774. 991: 979: 925: 823: 591:46 ft 0 in (14.02 m) 443:emerging from its floating shed on 173:When it was moved from its shed in 13: 802: 698: 14: 3780: 1144: 1070:. House of Commons. col. 68. 549: 454:HMA No.1 after breaking its back 396: 224:agreement they already had with 29: 1074: 1067:Parliamentary Debates (Hansard) 1053: 1046:Parliamentary Debates (Hansard) 1032: 1016: 1007: 970: 961: 948: 939: 916: 895: 887:"Launch Of The Naval Airship". 880: 871: 862: 853: 844: 835: 814: 609:48,000 lb (22,000 kg) 603:44,000 lb (19,958 kg) 431: 3744:Airships of the United Kingdom 793: 784: 775: 766: 683: 662: 1: 1353:23-class (23r, 24r, 25r, R26) 1086: 184: 1358:R23X-class (R27,R28,R29,R30) 486: 309:National Physical Laboratory 7: 1041:"Mr. Churchill's Statement" 1025:Lt.Col. W. Lockwood Marsh, 508:First Lord of the Admiralty 386:, was selected as captain. 147:. It was the first British 129:His Majesty's Airship No. 1 10: 3785: 1013:Chamberlain (1984), p. 20. 668:Jarret, P., (ed.) (2002) 652:1,500 ft (460 m) 202:Director of Naval Ordnance 131:was designed and built by 3701: 3670: 3527: 3406: 3298: 3291: 3260: 3099: 3033: 1475: 1401: 1233: 1062:"Navy Estimates, 1913–14" 976:Robinson 1974, pp. 149–50 748:"Rigid Airships HMA No 1" 557:Airships Heritage Trust, 337:"Naval Construction Yard" 235: 37: 28: 23: 911:Lieutenant N. F. Usborne 877:Robinson 1973, pp.147–50 695:, December 1911, p. 773. 690:"Airship Breaks in Half" 656: 532:Sir Bolton Eyres-Monsell 1403:Imperial Airship Scheme 1092:Chamberlain, Geoffrey. 1080:Lumsden (2003), p. 232. 956:Barnes Wallis Dambuster 570:General characteristics 331:Construction and trials 133:Vickers, Sons and Maxim 1191:"Flightglobal Archive" 1113:Lumsden, Alec (2003). 820:Robinson 1974, p. 148 730:HMA No. 1 "The Mayfly" 455: 447: 404:On Monday 22 May 1911 376: 243:was intended to be an 209:Ferdinand von Zeppelin 1248:No. 2 (Willows No. 4) 1128:Robinson, Douglas H. 945:Mowthorp 1995, p. 124 850:Mowthorp 1995, p. 143 781:Mowthorp, 1995, p.125 453: 439: 372: 1110:London: Foulis, 1961 1094:Airships, Cardington 841:Robinson 1974, p.147 799:Robinson 1973, p.330 752:Flight International 559:Flight International 57:Aerial scout airship 3671:Military Transports 1169:on 2 September 2009 901:Higham 1961, pp. 47 832:Higham 1961, pp. 45 811:Higham 1961, p. 43. 790:Higham 1961, pp. 42 772:Higham 1961, pp. 40 24:HMA No. 1 "Mayfly" 3469:C.O.W. Gun Fighter 1468:Vickers-Armstrongs 1388:R38, R39, R40, R41 859:Higham 1961, p. 44 672:. London: Putnam. 456: 448: 135:at their works in 117:Primary user 3731: 3730: 3727: 3726: 3301:Fighting Biplanes 3273:HM Airship No. 9r 1430: 1429: 1138:978-0-85429-145-8 1102:978-0-86138-025-1 1004:Higham 1961, p.52 988:Higham 1961, p.51 967:Higham 1961, p.50 936:Higham 1961, p.49 922:Higham 1961, p.47 693:Popular Mechanics 506:, who became the 504:Winston Churchill 445:24 September 1911 217:goldbeater's skin 137:Barrow-in-Furness 126: 125: 111:24 September 1911 44:Barrow-in-Furness 3776: 3769:Unflown aircraft 3764:Vickers airships 3749:Vickers aircraft 3296: 3295: 3268:HM Airship No. 1 3112:OR.323 Car Ferry 1457: 1450: 1443: 1434: 1433: 1222: 1215: 1208: 1199: 1198: 1194: 1186: 1178: 1176: 1174: 1168: 1162:. Archived from 1161: 1081: 1078: 1072: 1071: 1057: 1051: 1050: 1036: 1030: 1020: 1014: 1011: 1005: 1002: 989: 986: 977: 974: 968: 965: 959: 952: 946: 943: 937: 934: 923: 920: 914: 908: 902: 899: 893: 892: 884: 878: 875: 869: 866: 860: 857: 851: 848: 842: 839: 833: 830: 821: 818: 812: 809: 800: 797: 791: 788: 782: 779: 773: 770: 764: 763: 761: 759: 754:. 3 October 1974 744: 733: 727: 696: 687: 681: 666: 650:Service ceiling: 627: 572: 519:House of Commons 446: 381: 368: 343: 296:, was designed. 158: 112: 67: 59:Type of aircraft 49: 48:(September 1911) 42:at its mooring, 33: 21: 20: 3784: 3783: 3779: 3778: 3777: 3775: 3774: 3773: 3734: 3733: 3732: 3723: 3697: 3678:Valentia (1934) 3666: 3562:Valentia (1921) 3557:Bomber scheme C 3529: 3528:Bombers, GP and 3523: 3402: 3300: 3287: 3256: 3237:Vimy Commercial 3142:Vanguard (1959) 3137:Vanguard (1923) 3095: 3086:Tractor Biplane 3029: 1477: 1471: 1461: 1431: 1426: 1397: 1229: 1226: 1189: 1180: 1172: 1170: 1166: 1159: 1155: 1147: 1089: 1084: 1079: 1075: 1058: 1054: 1037: 1033: 1021: 1017: 1012: 1008: 1003: 992: 987: 980: 975: 971: 966: 962: 953: 949: 944: 940: 935: 926: 921: 917: 909: 905: 900: 896: 886: 885: 881: 876: 872: 868:Robinson 193, p 867: 863: 858: 854: 849: 845: 840: 836: 831: 824: 819: 815: 810: 803: 798: 794: 789: 785: 780: 776: 771: 767: 757: 755: 746: 745: 736: 728: 699: 688: 684: 667: 663: 659: 623: 617:Wolseley 160 hp 568: 552: 496:"Jackie" Fisher 489: 444: 434: 399: 379: 366: 341: 333: 324:Wolseley 160 hp 238: 187: 156: 110: 89: 88:C. G. Robertson 70:United Kingdom 66:National origin 65: 60: 47: 46: 17: 12: 11: 5: 3782: 3772: 3771: 3766: 3761: 3756: 3751: 3746: 3729: 3728: 3725: 3724: 3722: 3721: 3716: 3711: 3705: 3703: 3699: 3698: 3696: 3695: 3690: 3685: 3680: 3674: 3672: 3668: 3667: 3665: 3664: 3659: 3654: 3649: 3644: 3639: 3634: 3629: 3624: 3619: 3614: 3609: 3604: 3599: 3597:Victory Bomber 3594: 3589: 3584: 3579: 3574: 3572:Valiant (1951) 3569: 3567:Valiant (1927) 3564: 3559: 3554: 3549: 3544: 3539: 3533: 3531: 3530:reconnaissance 3525: 3524: 3522: 3521: 3516: 3511: 3506: 3501: 3496: 3491: 3486: 3481: 3476: 3471: 3466: 3461: 3459:Bolivian Scout 3456: 3451: 3446: 3441: 3436: 3431: 3426: 3421: 3416: 3410: 3408: 3404: 3403: 3401: 3400: 3395: 3393:F.B.26 Vampire 3390: 3385: 3380: 3375: 3370: 3365: 3360: 3355: 3350: 3345: 3340: 3335: 3330: 3325: 3320: 3315: 3310: 3304: 3302: 3293: 3289: 3288: 3286: 3285: 3280: 3275: 3270: 3264: 3262: 3258: 3257: 3255: 3254: 3249: 3244: 3239: 3234: 3229: 3224: 3219: 3214: 3209: 3204: 3199: 3194: 3189: 3184: 3179: 3174: 3169: 3164: 3159: 3154: 3149: 3144: 3139: 3134: 3129: 3124: 3119: 3114: 3109: 3103: 3101: 3097: 3096: 3094: 3093: 3088: 3083: 3081:Monoplane No.8 3078: 3076:Monoplane No.7 3073: 3071:Monoplane No.6 3068: 3066:Monoplane No.5 3063: 3061:Monoplane No.4 3058: 3056:Monoplane No.3 3053: 3051:Monoplane No.2 3048: 3046:Monoplane No.1 3043: 3037: 3035: 3031: 3030: 3028: 3027: 3022: 3017: 3012: 3007: 3002: 2997: 2992: 2987: 2982: 2977: 2972: 2967: 2962: 2957: 2952: 2947: 2942: 2937: 2932: 2927: 2922: 2917: 2912: 2907: 2902: 2897: 2892: 2887: 2882: 2877: 2872: 2867: 2862: 2857: 2852: 2847: 2842: 2837: 2832: 2827: 2822: 2817: 2812: 2807: 2802: 2797: 2792: 2787: 2782: 2777: 2772: 2767: 2762: 2757: 2752: 2747: 2742: 2737: 2732: 2727: 2722: 2717: 2712: 2707: 2702: 2697: 2692: 2687: 2682: 2677: 2672: 2667: 2662: 2657: 2652: 2647: 2642: 2637: 2632: 2627: 2622: 2617: 2612: 2607: 2602: 2597: 2592: 2587: 2582: 2577: 2572: 2567: 2562: 2557: 2552: 2547: 2542: 2537: 2532: 2527: 2522: 2517: 2512: 2507: 2502: 2497: 2492: 2487: 2482: 2477: 2472: 2467: 2462: 2457: 2452: 2447: 2442: 2437: 2432: 2427: 2422: 2417: 2412: 2407: 2402: 2397: 2392: 2387: 2382: 2377: 2372: 2367: 2362: 2357: 2352: 2347: 2342: 2337: 2332: 2327: 2322: 2317: 2312: 2307: 2302: 2297: 2292: 2287: 2282: 2277: 2272: 2267: 2262: 2257: 2252: 2247: 2242: 2237: 2232: 2227: 2222: 2217: 2212: 2207: 2202: 2197: 2192: 2187: 2182: 2177: 2172: 2167: 2162: 2157: 2152: 2147: 2142: 2137: 2132: 2127: 2122: 2117: 2112: 2107: 2102: 2097: 2092: 2087: 2082: 2077: 2072: 2067: 2062: 2057: 2052: 2047: 2042: 2037: 2032: 2027: 2022: 2017: 2012: 2007: 2002: 1997: 1992: 1987: 1982: 1977: 1972: 1967: 1962: 1957: 1952: 1947: 1942: 1937: 1932: 1927: 1922: 1917: 1912: 1907: 1902: 1897: 1892: 1887: 1882: 1877: 1872: 1867: 1862: 1857: 1852: 1847: 1842: 1837: 1832: 1827: 1822: 1817: 1812: 1807: 1802: 1797: 1792: 1787: 1782: 1777: 1772: 1767: 1762: 1757: 1752: 1747: 1742: 1737: 1732: 1727: 1722: 1717: 1712: 1707: 1702: 1697: 1692: 1687: 1682: 1677: 1672: 1667: 1662: 1657: 1652: 1647: 1642: 1637: 1632: 1627: 1622: 1617: 1612: 1607: 1602: 1597: 1592: 1587: 1582: 1577: 1572: 1567: 1562: 1557: 1552: 1547: 1542: 1537: 1532: 1527: 1522: 1517: 1512: 1507: 1502: 1497: 1492: 1487: 1481: 1479: 1473: 1472: 1460: 1459: 1452: 1445: 1437: 1428: 1427: 1425: 1424: 1418: 1413: 1407: 1405: 1399: 1398: 1396: 1395: 1390: 1385: 1380: 1375: 1370: 1365: 1360: 1355: 1350: 1345: 1340: 1335: 1330: 1325: 1320: 1315: 1310: 1305: 1300: 1295: 1290: 1285: 1280: 1275: 1270: 1265: 1260: 1255: 1250: 1245: 1243:No.1 ("Mayfly" 1239: 1237: 1231: 1230: 1225: 1224: 1217: 1210: 1202: 1196: 1195: 1187: 1153: 1146: 1145:External links 1143: 1142: 1141: 1126: 1111: 1104: 1088: 1085: 1083: 1082: 1073: 1052: 1031: 1015: 1006: 990: 978: 969: 960: 947: 938: 924: 915: 903: 894: 879: 870: 861: 852: 843: 834: 822: 813: 801: 792: 783: 774: 765: 734: 697: 682: 660: 658: 655: 654: 653: 647: 641: 635: 621: 620: 610: 604: 598: 592: 586: 580: 551: 550:Specifications 548: 500:First Sea Lord 488: 485: 433: 430: 398: 395: 354:Short Brothers 332: 329: 305:Short Brothers 237: 234: 194:Reginald Bacon 186: 183: 175:Cavendish Dock 124: 123: 118: 114: 113: 107: 103: 102: 99: 95: 94: 86: 82: 81: 76: 72: 71: 68: 62: 61: 58: 55: 51: 50: 35: 34: 26: 25: 15: 9: 6: 4: 3: 2: 3781: 3770: 3767: 3765: 3762: 3760: 3757: 3755: 3752: 3750: 3747: 3745: 3742: 3741: 3739: 3720: 3717: 3715: 3712: 3710: 3707: 3706: 3704: 3700: 3694: 3691: 3689: 3686: 3684: 3681: 3679: 3676: 3675: 3673: 3669: 3663: 3660: 3658: 3655: 3653: 3650: 3648: 3645: 3643: 3640: 3638: 3635: 3633: 3630: 3628: 3625: 3623: 3620: 3618: 3615: 3613: 3610: 3608: 3607:Viking (1919) 3605: 3603: 3600: 3598: 3595: 3593: 3590: 3588: 3585: 3583: 3580: 3578: 3575: 3573: 3570: 3568: 3565: 3563: 3560: 3558: 3555: 3553: 3550: 3548: 3545: 3543: 3540: 3538: 3535: 3534: 3532: 3526: 3520: 3519:Wibault Scout 3517: 3515: 3512: 3510: 3507: 3505: 3502: 3500: 3497: 3495: 3492: 3490: 3487: 3485: 3482: 3480: 3477: 3475: 3472: 3470: 3467: 3465: 3462: 3460: 3457: 3455: 3452: 3450: 3447: 3445: 3442: 3440: 3437: 3435: 3432: 3430: 3427: 3425: 3422: 3420: 3417: 3415: 3412: 3411: 3409: 3405: 3399: 3396: 3394: 3391: 3389: 3386: 3384: 3381: 3379: 3376: 3374: 3371: 3369: 3366: 3364: 3361: 3359: 3356: 3354: 3351: 3349: 3346: 3344: 3341: 3339: 3336: 3334: 3331: 3329: 3326: 3324: 3321: 3319: 3316: 3314: 3311: 3309: 3306: 3305: 3303: 3299:1st World War 3297: 3294: 3290: 3284: 3281: 3279: 3276: 3274: 3271: 3269: 3266: 3265: 3263: 3259: 3253: 3250: 3248: 3245: 3243: 3240: 3238: 3235: 3233: 3232:Viking (1945) 3230: 3228: 3227:Viking (1919) 3225: 3223: 3220: 3218: 3215: 3213: 3210: 3208: 3205: 3203: 3200: 3198: 3195: 3193: 3190: 3188: 3185: 3183: 3180: 3178: 3175: 3173: 3170: 3168: 3165: 3163: 3160: 3158: 3155: 3153: 3150: 3148: 3145: 3143: 3140: 3138: 3135: 3133: 3130: 3128: 3125: 3123: 3120: 3118: 3115: 3113: 3110: 3108: 3105: 3104: 3102: 3098: 3092: 3091:Tractor Scout 3089: 3087: 3084: 3082: 3079: 3077: 3074: 3072: 3069: 3067: 3064: 3062: 3059: 3057: 3054: 3052: 3049: 3047: 3044: 3042: 3039: 3038: 3036: 3032: 3026: 3023: 3021: 3018: 3016: 3013: 3011: 3008: 3006: 3003: 3001: 2998: 2996: 2993: 2991: 2988: 2986: 2983: 2981: 2978: 2976: 2973: 2971: 2968: 2966: 2963: 2961: 2958: 2956: 2953: 2951: 2948: 2946: 2943: 2941: 2938: 2936: 2933: 2931: 2928: 2926: 2923: 2921: 2918: 2916: 2913: 2911: 2908: 2906: 2903: 2901: 2898: 2896: 2893: 2891: 2888: 2886: 2883: 2881: 2878: 2876: 2873: 2871: 2868: 2866: 2863: 2861: 2858: 2856: 2853: 2851: 2848: 2846: 2843: 2841: 2838: 2836: 2833: 2831: 2828: 2826: 2823: 2821: 2818: 2816: 2813: 2811: 2808: 2806: 2803: 2801: 2798: 2796: 2793: 2791: 2788: 2786: 2783: 2781: 2778: 2776: 2773: 2771: 2768: 2766: 2763: 2761: 2758: 2756: 2753: 2751: 2748: 2746: 2743: 2741: 2738: 2736: 2733: 2731: 2728: 2726: 2723: 2721: 2718: 2716: 2713: 2711: 2708: 2706: 2703: 2701: 2698: 2696: 2693: 2691: 2688: 2686: 2683: 2681: 2678: 2676: 2673: 2671: 2668: 2666: 2663: 2661: 2658: 2656: 2653: 2651: 2648: 2646: 2643: 2641: 2638: 2636: 2633: 2631: 2628: 2626: 2623: 2621: 2618: 2616: 2613: 2611: 2608: 2606: 2603: 2601: 2598: 2596: 2593: 2591: 2588: 2586: 2583: 2581: 2578: 2576: 2573: 2571: 2568: 2566: 2563: 2561: 2558: 2556: 2553: 2551: 2548: 2546: 2543: 2541: 2538: 2536: 2533: 2531: 2528: 2526: 2523: 2521: 2518: 2516: 2513: 2511: 2508: 2506: 2503: 2501: 2498: 2496: 2493: 2491: 2488: 2486: 2483: 2481: 2478: 2476: 2473: 2471: 2468: 2466: 2463: 2461: 2458: 2456: 2453: 2451: 2448: 2446: 2443: 2441: 2438: 2436: 2433: 2431: 2428: 2426: 2423: 2421: 2418: 2416: 2413: 2411: 2408: 2406: 2403: 2401: 2398: 2396: 2393: 2391: 2388: 2386: 2383: 2381: 2378: 2376: 2373: 2371: 2368: 2366: 2363: 2361: 2358: 2356: 2353: 2351: 2348: 2346: 2343: 2341: 2338: 2336: 2333: 2331: 2328: 2326: 2323: 2321: 2318: 2316: 2313: 2311: 2308: 2306: 2303: 2301: 2298: 2296: 2293: 2291: 2288: 2286: 2283: 2281: 2278: 2276: 2273: 2271: 2268: 2266: 2263: 2261: 2258: 2256: 2253: 2251: 2248: 2246: 2243: 2241: 2238: 2236: 2233: 2231: 2228: 2226: 2223: 2221: 2218: 2216: 2213: 2211: 2208: 2206: 2203: 2201: 2198: 2196: 2193: 2191: 2188: 2186: 2183: 2181: 2178: 2176: 2173: 2171: 2168: 2166: 2163: 2161: 2158: 2156: 2153: 2151: 2148: 2146: 2143: 2141: 2138: 2136: 2133: 2131: 2128: 2126: 2123: 2121: 2118: 2116: 2113: 2111: 2108: 2106: 2103: 2101: 2098: 2096: 2093: 2091: 2088: 2086: 2083: 2081: 2078: 2076: 2073: 2071: 2068: 2066: 2063: 2061: 2058: 2056: 2053: 2051: 2048: 2046: 2043: 2041: 2038: 2036: 2033: 2031: 2028: 2026: 2023: 2021: 2018: 2016: 2013: 2011: 2008: 2006: 2003: 2001: 1998: 1996: 1993: 1991: 1988: 1986: 1983: 1981: 1978: 1976: 1973: 1971: 1968: 1966: 1963: 1961: 1958: 1956: 1953: 1951: 1948: 1946: 1943: 1941: 1938: 1936: 1933: 1931: 1928: 1926: 1923: 1921: 1918: 1916: 1913: 1911: 1908: 1906: 1903: 1901: 1898: 1896: 1893: 1891: 1888: 1886: 1883: 1881: 1878: 1876: 1873: 1871: 1868: 1866: 1863: 1861: 1858: 1856: 1853: 1851: 1848: 1846: 1843: 1841: 1838: 1836: 1833: 1831: 1828: 1826: 1823: 1821: 1818: 1816: 1813: 1811: 1808: 1806: 1803: 1801: 1798: 1796: 1793: 1791: 1788: 1786: 1783: 1781: 1778: 1776: 1773: 1771: 1768: 1766: 1763: 1761: 1758: 1756: 1753: 1751: 1748: 1746: 1743: 1741: 1738: 1736: 1733: 1731: 1728: 1726: 1723: 1721: 1718: 1716: 1713: 1711: 1708: 1706: 1703: 1701: 1698: 1696: 1693: 1691: 1688: 1686: 1683: 1681: 1678: 1676: 1673: 1671: 1668: 1666: 1663: 1661: 1658: 1656: 1653: 1651: 1648: 1646: 1643: 1641: 1638: 1636: 1633: 1631: 1628: 1626: 1623: 1621: 1618: 1616: 1613: 1611: 1608: 1606: 1603: 1601: 1598: 1596: 1593: 1591: 1588: 1586: 1583: 1581: 1578: 1576: 1573: 1571: 1568: 1566: 1563: 1561: 1558: 1556: 1553: 1551: 1548: 1546: 1543: 1541: 1538: 1536: 1533: 1531: 1528: 1526: 1523: 1521: 1518: 1516: 1513: 1511: 1508: 1506: 1503: 1501: 1498: 1496: 1493: 1491: 1488: 1486: 1483: 1482: 1480: 1474: 1469: 1465: 1458: 1453: 1451: 1446: 1444: 1439: 1438: 1435: 1423:(never built) 1422: 1419: 1417: 1414: 1412: 1409: 1408: 1406: 1404: 1400: 1394: 1391: 1389: 1386: 1384: 1381: 1379: 1376: 1374: 1371: 1369: 1366: 1364: 1361: 1359: 1356: 1354: 1351: 1349: 1346: 1344: 1341: 1339: 1336: 1334: 1331: 1329: 1326: 1324: 1321: 1319: 1316: 1314: 1311: 1309: 1306: 1304: 1301: 1299: 1296: 1294: 1291: 1289: 1286: 1284: 1281: 1279: 1278:No. 8 (AT-17) 1276: 1274: 1271: 1269: 1266: 1264: 1263:Parseval No.5 1261: 1259: 1256: 1254: 1251: 1249: 1246: 1244: 1241: 1240: 1238: 1236: 1232: 1223: 1218: 1216: 1211: 1209: 1204: 1203: 1200: 1192: 1188: 1184: 1165: 1158: 1154: 1152: 1149: 1148: 1139: 1135: 1131: 1127: 1124: 1123:1-85310-294-6 1120: 1116: 1112: 1109: 1105: 1103: 1099: 1095: 1091: 1090: 1077: 1069: 1068: 1063: 1056: 1048: 1047: 1042: 1035: 1028: 1024: 1019: 1010: 1001: 999: 997: 995: 985: 983: 973: 964: 957: 951: 942: 933: 931: 929: 919: 912: 907: 898: 890: 883: 874: 865: 856: 847: 838: 829: 827: 817: 808: 806: 796: 787: 778: 769: 753: 749: 743: 741: 739: 731: 726: 724: 722: 720: 718: 716: 714: 712: 710: 708: 706: 704: 702: 694: 691: 686: 679: 678:0-85177-869-0 675: 671: 665: 661: 651: 648: 645: 642: 639: 636: 633: 632:Cruise speed: 630: 629: 628: 626: 618: 614: 611: 608: 605: 602: 601:Empty weight: 599: 596: 593: 590: 587: 584: 581: 578: 575: 574: 573: 571: 566: 564: 560: 556: 547: 545: 540: 537: 533: 529: 525: 520: 515: 513: 509: 505: 501: 497: 492: 484: 481: 477: 471: 469: 465: 461: 452: 442: 438: 429: 426: 421: 415: 412: 407: 402: 397:Static trials 394: 392: 389:The finished 387: 385: 384:N. F. Usborne 382:, Lieutenant 375: 371: 369: 365:Handbook for 361: 359: 355: 351: 346: 338: 328: 325: 321: 317: 312: 310: 306: 301: 297: 295: 291: 286: 280: 278: 274: 270: 266: 262: 260: 259: 252: 251: 246: 242: 233: 231: 227: 223: 218: 214: 210: 207: 203: 199: 195: 192: 189:In July 1908 182: 180: 176: 171: 169: 165: 164: 155: 150: 149:rigid airship 146: 142: 138: 134: 130: 122: 119: 116: 115: 108: 105: 104: 100: 98:First flight 97: 96: 93: 92:N. F. Usborne 87: 84: 83: 80: 77: 75:Manufacturer 74: 73: 69: 64: 63: 56: 53: 52: 45: 41: 36: 32: 27: 22: 19: 3267: 3127:Tay Viscount 1372: 1242: 1171:. Retrieved 1164:the original 1129: 1114: 1107: 1093: 1076: 1065: 1055: 1044: 1034: 1026: 1018: 1009: 972: 963: 955: 950: 941: 918: 906: 897: 888: 882: 873: 864: 855: 846: 837: 816: 795: 786: 777: 768: 756:. Retrieved 751: 692: 685: 669: 664: 649: 643: 637: 631: 624: 622: 612: 607:Useful lift: 606: 600: 594: 588: 582: 576: 569: 567: 562: 558: 554: 553: 543: 541: 535: 527: 523: 516: 511: 493: 490: 479: 475: 472: 463: 459: 457: 440: 432:Final outing 424: 416: 410: 405: 403: 400: 390: 388: 377: 373: 370:noted that: 364: 363:An entry in 362: 349: 347: 334: 313: 302: 298: 281: 276: 273:mooring mast 263: 257: 248: 245:aerial scout 240: 239: 188: 178: 172: 162: 153: 128: 127: 101:Never flown 39: 18: 3398:F.B.27 Vimy 3177:VC.7/V-1000 3117:Nene Viking 3107:Merchantman 3034:Early types 1106:Higham, R. 625:Performance 613:Powerplant: 290:Albert Zahm 90:Lieutenant 3738:Categories 3657:Wellington 3612:Vildebeest 3499:Valparaiso 3489:Hart Scout 1181:(472  1087:References 644:Endurance: 318:using the 230:Lieutenant 198:Royal Navy 185:Background 145:Royal Navy 141:Lancashire 121:Royal Navy 38:HMA No. 1 3652:Wellesley 3041:Hydravion 3000:1150—1154 2990:1109—1112 2985:1100—1106 2980:1000—1004 1235:Admiralty 889:The Times 589:Diameter: 555:Data from 528:Won't Fly 526:, or the 487:Aftermath 468:beam ends 380:HMA No. 1 367:HMA No. 1 358:Battersea 342:HMA No. 1 285:duralumin 265:Zeppelins 250:LZ 6 226:the Crown 222:submarine 213:Admiralty 85:Designer 3702:Trainers 3693:Victoria 3627:Virginia 3602:Vigilant 3577:Vanellus 3407:Fighters 3292:Military 3261:Airships 3242:Viscount 3132:Vagabond 3100:Civilian 1470:aircraft 1368:R33, R34 1363:R31, R32 646:24 hours 316:mahogany 269:wireless 258:Hermione 163:Hermione 154:Hermione 3714:Vendace 3709:Varsity 3683:Valetta 3662:Windsor 3647:Warwick 3642:Vulture 3622:Vincent 3587:Venture 3504:Vampire 3343:E.F.B.8 3338:E.F.B.7 3323:E.F.B.4 3318:E.F.B.3 3313:E.F.B.2 3308:E.F.B.1 3252:Vulture 3217:Viastra 3207:Vellore 3122:Swallow 2975:950—953 2910:800—843 2900:759—798 2890:754—757 2885:747—749 2880:744—745 2870:734—742 2860:730—732 2755:700—703 2750:672—674 2685:641—646 2635:620—628 2625:614—618 2330:435—443 2315:428—431 2275:416—419 2260:406—410 1478:numbers 1464:Vickers 1173:3 March 758:2 March 595:Volume: 583:Length: 524:May-fly 356:works, 320:Consuta 191:Captain 168:cruiser 106:Status 79:Vickers 3688:Vernon 3494:Jockey 3484:Gunbus 3464:Bullet 3388:F.B.25 3383:F.B.24 3378:F.B.23 3373:F.B.19 3368:F.B.16 3363:F.B.14 3358:F.B.12 3353:F.B.11 3247:Vulcan 3212:Vellox 1179:  1136:  1121:  1100:  1027:Flight 680:, p 41 676:  638:Range: 563:Mayfly 544:Mayfly 536:Mayfly 512:Mayfly 476:Mayfly 464:Mayfly 460:Mayfly 441:Mayfly 425:Mayfly 420:No. 9r 411:Mayfly 406:Mayfly 391:Mayfly 350:Mayfly 277:Mayfly 241:Mayfly 236:Design 196:, the 179:Mayfly 40:Mayfly 3637:Vixen 3632:Vivid 3592:Vespa 3582:Vanox 3514:Vireo 3509:Venom 3479:E.S.2 3474:E.S.1 3348:F.B.9 3333:F.B.6 3328:F.B.5 3222:Viget 3202:VC.12 3197:VC.11 3192:VC.10 1615:83—85 1515:58—60 1167:(PDF) 1160:(PDF) 954:Pugh 657:Notes 577:Crew: 206:Count 157:' 54:Role 3617:Vimy 3283:R100 3187:VC.9 3182:VC.8 3172:VC.6 3167:VC.5 3162:VC.4 3157:VC.3 3152:VC.2 3147:VC.1 3025:1400 3020:1181 3015:1180 3010:1170 3005:1164 2995:1125 1476:Type 1466:and 1421:R102 1416:R101 1411:R100 1175:2009 1134:ISBN 1119:ISBN 1098:ISBN 760:2009 674:ISBN 615:2 × 256:HMS 166:, a 161:HMS 3552:581 3547:253 3542:207 3537:163 3454:432 3449:279 3444:177 3439:162 3434:161 3429:151 3424:143 3419:141 3414:123 3278:R80 2970:901 2965:900 2960:897 2955:894 2950:891 2945:889 2940:888 2935:877 2930:870 2925:860 2920:850 2915:845 2905:799 2895:758 2875:743 2865:733 2855:729 2850:728 2845:726 2840:725 2835:724 2830:723 2825:722 2820:721 2815:720 2810:718 2805:716 2800:715 2795:712 2790:711 2785:710 2780:709 2775:708 2770:707 2765:706 2760:705 2745:668 2740:667 2735:664 2730:663 2725:660 2720:659 2715:657 2710:654 2705:651 2700:650 2695:649 2690:648 2680:640 2675:639 2670:638 2665:637 2660:636 2655:635 2650:634 2645:632 2640:630 2630:619 2620:611 2615:610 2610:607 2605:604 2600:602 2595:601 2590:587 2585:586 2580:581 2575:579 2570:571 2565:559 2560:499 2555:498 2550:496 2545:495 2540:493 2535:492 2530:491 2525:490 2520:488 2515:487 2510:486 2505:485 2500:483 2495:481 2490:480 2485:479 2480:478 2475:475 2470:474 2465:473 2460:471 2455:470 2450:469 2445:467 2440:466 2435:465 2430:464 2425:463 2420:462 2415:461 2410:460 2405:459 2400:458 2395:457 2390:456 2385:455 2380:454 2375:453 2370:452 2365:451 2360:449 2355:448 2350:447 2345:446 2340:445 2335:444 2325:433 2320:432 2310:427 2305:426 2300:424 2295:423 2290:422 2285:421 2280:420 2270:414 2265:413 2255:405 2250:403 2245:402 2240:401 2235:400 2230:299 2225:298 2220:296 2215:295 2210:294 2205:293 2200:292 2195:291 2190:290 2185:289 2180:287 2175:286 2170:285 2165:284 2160:283 2155:281 2150:279 2145:277 2140:271 2135:270 2130:267 2125:266 2120:264 2115:263 2110:262 2105:259 2100:258 2095:256 2090:255 2085:253 2080:252 2075:250 2070:249 2065:246 2060:245 2055:244 2050:241 2045:231 2040:230 2035:227 2030:225 2025:220 2020:217 2015:216 2010:214 2005:212 2000:210 1995:209 1990:208 1985:207 1980:204 1975:203 1970:199 1965:198 1960:196 1955:195 1950:194 1945:193 1940:192 1935:177 1930:173 1925:172 1920:171 1915:170 1910:169 1905:168 1900:166 1895:163 1890:162 1885:161 1880:160 1875:157 1870:155 1865:153 1860:151 1855:150 1850:149 1845:148 1840:147 1835:146 1830:145 1825:143 1820:142 1815:141 1810:139 1805:138 1800:134 1795:133 1790:132 1785:131 1780:130 1775:129 1770:128 1765:127 1760:125 1755:124 1750:123 1745:122 1740:121 1735:120 1730:119 1725:118 1720:117 1715:116 1710:115 1705:113 1700:112 1695:108 1690:106 1685:105 1680:103 1675:100 1393:R80 1383:R37 1378:R36 1373:R35 1313:15r 1308:14r 1183:KiB 294:R80 200:'s 3740:: 1670:99 1665:98 1660:96 1655:95 1650:94 1645:93 1640:92 1635:91 1630:89 1625:87 1620:86 1610:81 1605:79 1600:78 1595:77 1590:76 1585:75 1580:74 1575:73 1570:72 1565:71 1560:70 1555:69 1550:68 1545:67 1540:66 1535:64 1530:63 1525:62 1520:61 1510:57 1505:56 1500:55 1495:54 1490:51 1485:50 1348:22 1343:21 1338:20 1333:19 1328:18 1323:17 1318:16 1303:13 1298:12 1293:11 1288:10 1283:9r 1064:. 1043:. 993:^ 981:^ 927:^ 825:^ 804:^ 750:. 737:^ 700:^ 579:20 502:. 139:, 1456:e 1449:t 1442:v 1273:7 1268:6 1258:4 1253:3 1221:e 1214:t 1207:v 1193:. 1185:) 1177:. 1140:. 1125:. 762:.

Index


Barrow-in-Furness
Vickers
N. F. Usborne
Royal Navy
Vickers, Sons and Maxim
Barrow-in-Furness
Lancashire
Royal Navy
rigid airship
HMS Hermione
cruiser
Cavendish Dock
Captain
Reginald Bacon
Royal Navy
Director of Naval Ordnance
Count
Ferdinand von Zeppelin
Admiralty
goldbeater's skin
submarine
the Crown
Lieutenant
aerial scout
LZ 6
HMS Hermione
Zeppelins
wireless
mooring mast

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