23:
726:
64:
761:
78:
873:
620:
853:
706:
863:
848:
349:
and was intended as a series of six offshore patrol vessels for the Royal Navy, designed in response to criticism of the previous
858:
386:, Scotland. These had significant improvements over the Island-class – they were 300 tonnes larger, more stable in heavy seas, 3
868:
813:
473:
598:
824:
261:
699:
628:
469:
843:
746:
553:
398:
372:
807:
524:
379:
350:
95:
49:
692:
458:
449:
rotated the role on a three-yearly basis, although the ship's crew usually did a six-month rotation.
105:
739:
514:
390:(5.6 km/h; 3.5 mph) faster and fitted with a large flight deck capable of supporting a
365:
315:
152:
650:
22:
8:
330:
391:
297:
462:
434:
774:
766:
543:
477:
323:
83:
322:. Two ships were constructed and after nearly 30 years service were sold to the
457:
The Castle class was replaced in the
Falklands by a unique vessel based on the
346:
241:
837:
684:
430:
402:
394:
helicopter. For brief periods, the ships could accommodate up to 120 troops.
326:
in 2010. The
Bangladesh Navy upgraded these with more armaments including
387:
354:
731:
438:
358:
319:
311:
283:
195:
69:
786:
573:
418:
414:
410:
406:
528:
383:
334:
214:
10,000 nautical miles (19,000 km) at 10 knots (19 km/h)
672:
D.K. Brown, "The Design of the Castle Class", a personal view in
476:
in 2007, the deal fell through and both ships were sold to the
353:
for insufficient speed, sub-optimal sea-keeping and lack of a
327:
276:
333:and sensors. These ships are now reclassified as
835:
714:
700:
401:, protecting both the fishing fleets and the
417:spraying facilities on board for dispersing
397:Their primary mission was to serve with the
874:Ships built by Hall, Russell & Company
707:
693:
364:In the event, only two ships were built,
825:List of patrol vessels of the Royal Navy
668:All The World's Fighting Ships 1947–1995
599:"Bangladesh Secures 2 Used British OPVs"
572:Sold to Bangladesh Navy, April 2010 as
542:Sold to Bangladesh Navy, April 2010 as
194:2 shafts, 2 Paxman diesels, 2,820
836:
688:
621:"Royal Navy ships sold to Bangladesh"
468:, and both vessels of the class were
433:, one ship was kept long-term in the
272:1 x 76 mm (3.0 in) main gun
854:Patrol vessels of the United Kingdom
601:. Defense Industry Daily. 4 May 2010
472:. Originally due to transfer to the
296:Flight deck capable of supporting a
651:"Shipyard deal safeguards 100 jobs"
264:Mark III, replaced by 1 × 30 mm gun
178:37 ft 9 in (11.51 m)
13:
186:11 ft 3 in (3.43 m)
14:
885:
483:
474:Pakistan Maritime Security Agency
345:The Castle class was designed by
170:246 ft (75 m) (overall)
864:Corvettes of the Bangladesh Navy
849:Patrol vessels of the Royal Navy
759:
724:
76:
62:
21:
627:. 26 April 2010. Archived from
859:Ship classes of the Royal Navy
643:
613:
591:
452:
1:
584:
424:
378:. Both vessels were built by
559:
520:
7:
869:Castle-class patrol vessels
525:Hall, Russell & Company
409:. They could also serve as
399:Fishery Protection Squadron
240:(Bangladesh Navy installed
50:Hall, Russell & Company
10:
890:
716:Castle-class patrol vessel
822:
802:
757:
722:
680:Janes Fighting Ships 2007
676:, Conway's Maritime Press
523:
340:
143:
40:
20:
337:by the Bangladesh Navy.
237:Simrad RU sidescan sonar
316:offshore patrol vessels
206:20 knots (37 km/h)
144:General characteristics
282:Small caliber guns or
153:Offshore patrol vessel
162:1,570 tons full load
844:Patrol ship classes
293:Aviation facilities
403:oil and gas fields
331:anti-ship missiles
244:as the main radar)
229:processing systems
831:
830:
582:
581:
304:
303:
102:Succeeded by
881:
793:Dumbarton Castle
765:
763:
762:
748:Dumbarton Castle
730:
728:
727:
709:
702:
695:
686:
685:
659:
658:
657:. 26 April 2010.
647:
641:
640:
638:
636:
631:on 29 April 2010
617:
611:
610:
608:
606:
595:
555:Dumbarton Castle
536:29 October 1980
533:18 October 1979
488:
487:
447:Dumbarton Castle
435:Falkland Islands
375:Dumbarton Castle
268:Bangladesh Navy:
262:Bofors 40 mm gun
82:
80:
79:
68:
66:
65:
25:
18:
17:
889:
888:
884:
883:
882:
880:
879:
878:
834:
833:
832:
827:
818:
798:
767:Bangladesh Navy
760:
758:
753:
725:
723:
718:
713:
663:
662:
649:
648:
644:
634:
632:
619:
618:
614:
604:
602:
597:
596:
592:
587:
539:27 August 1981
494:Pennant Number
486:
478:Bangladesh Navy
455:
427:
343:
324:Bangladesh Navy
234:Type 1006 radar
228:
198:(2,100 kW)
84:Bangladesh Navy
77:
75:
63:
61:
36:
12:
11:
5:
887:
877:
876:
871:
866:
861:
856:
851:
846:
829:
828:
823:
820:
819:
817:
816:
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803:
800:
799:
797:
796:
784:
771:
769:
755:
754:
752:
751:
744:
736:
734:
720:
719:
712:
711:
704:
697:
689:
683:
682:
677:
670:
661:
660:
642:
612:
589:
588:
586:
583:
580:
579:
570:
569:12 March 1982
567:
564:
561:
558:
550:
549:
540:
537:
534:
531:
522:
519:
511:
510:
507:
504:
501:
498:
495:
492:
485:
484:Ships in class
482:
470:decommissioned
454:
451:
426:
423:
347:David K. Brown
342:
339:
302:
301:
294:
290:
289:
288:
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273:
269:
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257:
252:
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242:Type 360 Radar
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109:
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103:
99:
98:
93:
89:
88:
87:
86:
73:
57:
53:
52:
47:
43:
42:
41:Class overview
38:
37:
26:
9:
6:
4:
3:
2:
886:
875:
872:
870:
867:
865:
862:
860:
857:
855:
852:
850:
847:
845:
842:
841:
839:
826:
821:
815:
812:Followed by:
811:
809:
806:Preceded by:
805:
804:
801:
794:
790:
789:
785:
782:
778:
777:
773:
772:
770:
768:
756:
750:
749:
745:
743:
742:
738:
737:
735:
733:
721:
717:
710:
705:
703:
698:
696:
691:
690:
687:
681:
678:
675:
671:
669:
665:
664:
656:
652:
646:
630:
626:
622:
616:
600:
594:
590:
578:
577:
571:
568:
565:
563:25 June 1980
562:
557:
556:
552:
551:
548:
547:
541:
538:
535:
532:
530:
526:
518:
517:
513:
512:
508:
506:Commissioned
505:
502:
499:
496:
493:
490:
489:
481:
479:
475:
471:
467:
466:
460:
450:
448:
444:
440:
436:
432:
431:Falklands War
422:
420:
416:
412:
408:
404:
400:
395:
393:
389:
385:
381:
377:
376:
370:
369:
362:
360:
356:
352:
348:
338:
336:
332:
329:
325:
321:
317:
313:
309:
299:
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285:
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226:
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218:
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210:
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197:
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185:
182:
181:
177:
174:
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169:
166:
165:
161:
158:
157:
154:
151:
148:
147:
142:
138:
135:
134:
130:
127:
126:
122:
120:In commission
119:
118:
114:
111:
110:
107:
104:
101:
100:
97:
94:
91:
90:
85:
74:
71:
60:
59:
58:
55:
54:
51:
48:
45:
44:
39:
34:
30:
24:
19:
16:
808:Island class
792:
787:
781:Leeds Castle
780:
775:
747:
741:Leeds Castle
740:
715:
679:
674:Warship 2006
673:
667:
654:
645:
633:. Retrieved
629:the original
625:The Scotsman
624:
615:
603:. Retrieved
593:
575:
566:3 June 1981
554:
545:
516:Leeds Castle
515:
464:
456:
446:
443:Leeds Castle
442:
428:
396:
380:Hall Russell
374:
368:Leeds Castle
367:
363:
351:Island class
344:
308:Castle class
307:
305:
227:Sensors and
159:Displacement
123:1982–Present
96:Island class
33:Leeds Castle
32:
28:
15:
814:River class
776:Dhaleshwari
546:Dhaleshwari
459:River class
453:Replacement
359:helicopters
357:for rescue
355:flight deck
314:of British
284:autocannons
256:Royal Navy:
106:River class
92:Preceded by
29:Dhaleshwari
838:Categories
732:Royal Navy
585:References
500:Laid down
439:guard ship
429:After the
425:Operations
419:oil slicks
413:, and had
411:minelayers
320:Royal Navy
300:helicopter
219:Complement
191:Propulsion
70:Royal Navy
666:Conway's
574:BNS
544:BNS
503:Launched
463:HMS
415:detergent
407:North Sea
373:HMS
366:HMS
335:corvettes
136:Completed
115:1979–1981
72:(retired)
56:Operators
35:) in 2018
655:BBC News
529:Aberdeen
497:Builder
392:Sea King
384:Aberdeen
298:Sea King
251:Armament
46:Builders
31:(ex-HMS
405:of the
318:of the
183:Draught
128:Planned
764:
729:
635:21 May
341:Design
310:was a
167:Length
81:
67:
788:Bijoy
605:6 May
576:Bijoy
560:P265
521:P258
509:Fate
491:Name
465:Clyde
437:as a
388:knots
328:C-704
312:class
277:C-704
211:Range
203:Speed
112:Built
791:(ex-
779:(ex-
637:2010
607:2010
445:and
371:and
306:The
279:AShM
275:4 ×
260:1 ×
175:Beam
149:Type
27:BNS
382:in
840::
653:.
623:.
527:,
480:.
461:,
441:.
421:.
361:.
222:40
196:hp
795:)
783:)
708:e
701:t
694:v
639:.
609:.
139:2
131:6
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