Video

Patreon 55: History of Survey Ships in the Royal Navy

Study Patreon 55: History of Survey Ships in the Royal Navy, a Dr. Alex Clarke video from 29 May 2022, with 64 time notes. Topics include Anti-Submarine Warfare, Hydrography, Maritime Trade.

Date
Runtime3:32:05
Guide points64 time notes

Time notes

  1. 11:09
    QuestionWill navies field a cruise-missile and torpedo hybrid for attacking submarines, ships, or shore targets?Answer

    The idea has been tested, but uncertain long-range submarine targeting and inefficient payload tradeoffs have kept it from becoming a broadly useful weapon.

    Q&A
  2. 12:31
    QuestionWhat was the best ship designed under Sir William Henry White?Answer

    The Royal Sovereigns were his most important class, while HMS Renown was the favorite individual ship.

    Q&A
  3. 16:28
    QuestionWas placing HMS Echo in mothballs or low readiness a sensible decision?Answer

    No. An already small survey force could not readily spare such a flexible and recently active ship.

    Q&A
  4. 18:30
    Why survey ships matter to trade and naval operations

    Hydrographic ships turn ocean measurements into charts used by merchant shipping, surface fleets, and submarines.

    Chapter
  5. 23:16
    QuestionDid the ships used for Britain's 1946 Antarctic expedition count as survey ships?Answer

    No: they performed survey work, but their primary role was expeditionary rather than dedicated hydrography.

    Q&A
  6. 25:21
    QuestionWhere does RRS Sir David Attenborough fit in relation to survey ships?Answer

    She is a civilian British Antarctic Survey research vessel that can perform surveys, not a Royal Navy hydrographic ship.

    Q&A
  7. 25:55
    QuestionDoes the Royal Navy share its charts with other countries and commercial mariners?Answer

    Yes: the Hydrographic Office sells charts internationally, while sensitive survey information can remain classified.

    Q&A
  8. 27:35
    From lead lines to multibeam sonar

    A technology comparison shows how sonar changed seabed surveys from isolated soundings into wide-area maps.

    Chapter
  9. 30:49
    Undersea cables make hydrography part of grey-zone security

    Surveying cable routes protects the high-capacity links that carry international communications and expose fragile infrastructure to interference.

    Notable Point
  10. 35:25
    Undersea cables turn microseconds into financial advantage

    Arbitrage trading shows why cable routes and latency make seabed infrastructure economically strategic as well as technically important.

    Notable Point
  11. 38:20
    Why a cable beneath the Channel may still count as land cable

    A cable can run beneath the sea while remaining a land installation in technical terms because it passes through a dry tunnel.

    Notable Point
  12. 44:23
    How Admiralty hydrography became an institution

    A chronology traces Admiralty charts, sailing directions, tide tables, notices to mariners, and international hydrographic cooperation.

    Chapter
  13. 53:42
    QuestionWhat sources are useful for studying Royal Navy survey ships and hydrography?Answer

    Start with official Royal Navy material and the cited online chronology, then use the specialist histories by Roger Morris and G. S. Ritchie for deeper study.

    Q&A
  14. 58:15
    Why British charts could outperform France's own coastal maps

    Superior charts of an enemy coast can reflect the sustained access created by blockade and command of nearby waters.

    Notable Point
  15. 58:54
    QuestionDoes the Royal Navy survey riverbeds and other inland waters?Answer

    Naval vessels work as far inland as access permits, then civilian Hydrographic Office teams and launches cover the shallower reaches.

    Q&A
  16. 59:43
    QuestionIs there a good book on British paper warships of the interwar period?Answer

    No satisfactory single volume was available, which is why a broader joint study with Drachinifel had been considered.

    Q&A
  17. 1:00:32
    HMS Merlin and Britain's first dedicated coastal survey

    The tiny warship HMS Merlin links a diplomatic pretext for war with Grenville Collins's landmark survey of Britain's coast.

    Chapter
  18. 1:06:22
    QuestionWere the early coastal surveys part of Samuel Pepys's reforms of Royal Navy navigation?Answer

    Yes: Pepys pushed the work and its funding because inaccurate charts were causing avoidable ship losses.

    Q&A
  19. 1:09:15
    QuestionHave you trained with old navigation tools and charts, and could you teach viewers how to use them?Answer

    Yes, but a worthwhile lesson should be demonstrated aboard a boat, ideally with a more expert navigator leading the practical work.

    Q&A
  20. 1:13:36
    HMS Hecate's surveys from British Columbia to Torres Strait

    A former paddle sloop moved from anti-slavery duty into Pacific and Australian survey work with remarkably long-lived results.

    Chapter
  21. 1:16:23
    QuestionAre ship ice-class ratings sometimes conservative compared with what the hull can physically survive?Answer

    Yes: a safety margin protects the ship and insurer, while operating beyond the rating can place the resulting risk on the owner.

    Q&A
  22. 1:17:23
    QuestionWhy would HMS Hecate sink a slave-trading brigantine instead of taking it as a prize?Answer

    A captured ship created prize-court and diplomatic complications, while a vessel sunk during enforcement could be politically easier to resolve.

    Q&A
  23. 1:18:44
    HMS Challenger as survey ship, escort, and test bed

    The 1931 Challenger combined worldwide survey work with convoy duty and lessons relevant to merchant-hull escorts.

    Chapter
  24. 1:24:22
    QuestionWhat does a standard naval refit include?Answer

    It is a broad inspection, repair, renewal, repainting, and modernization package that can amount to an overhaul of most of the ship.

    Q&A
  25. 1:25:24
    QuestionDid using merchant-style hulls for survey ships help the Royal Navy develop the Flower-class corvette?Answer

    Yes. Survey and trial vessels provided relevant hull experience while the Royal Navy developed its small anti-submarine-warship program.

    Q&A
  26. 1:28:31
    The first HMS Protector: from net layer to Antarctic patrol ship

    A wartime net layer became the Royal Navy's first dedicated Antarctic patrol vessel and gained a two-helicopter aviation capability.

    Chapter
  27. 1:29:32
    QuestionWhich twenty or twenty-one historical vessels would you combine into a strike force?Answer

    For a general-purpose force, the proposed core is Implacable-class carriers and Iowa-class battleships, supported by Atlanta-class cruisers and Battle-class destroyers.

    Q&A
  28. 1:32:47
    QuestionWhich Third Sea Lords most influenced Royal Navy preparation for the two world wars?Answer

    Jellicoe was central before the First World War, while Henderson's work, carried forward by Fraser and Goodall, shaped the run-up to the Second.

    Q&A
  29. 1:33:52
    QuestionCan satellites replace hydrographic ships or directly track submarines?Answer

    Not directly: satellites may reveal anomalies and narrow a search, but accurate seabed and water-column data plus local ASW investigation remain necessary.

    Q&A
  30. 1:35:22
    QuestionWhich Royal Navy survey ship was the most influential?Answer

    HMS Merlin, because her work with Grenville Collins established processes that later Royal Navy survey ships followed.

    Q&A
  31. 1:39:56
    QuestionWould a submarine or long-endurance UUV make a good survey ship?Answer

    UUVs are valuable auxiliaries, but a surface mothership is better suited to coordinate communications, processing, and a mixed family of sensors.

    Q&A
  32. 1:41:10
    QuestionDid early nuclear attack submarines conduct extensive hydrographic surveying under Arctic ice?Answer

    Not freely: using active sonar would reveal them, so separate ice-survey teams and scientific measurements remained important.

    Q&A
  33. 1:45:26
    HMS Vidal, Rockall, and strategic maritime presence

    Vidal's survey of Rockall shows how hydrography, sovereignty, missile testing, and Cold War presence could overlap.

    Chapter
  34. 1:52:58
    The 1959 HMS Enterprise on rivers, coasts, and the North Sea

    A 163-ton Echo-class vessel shows how very small survey ships could work from the English Channel to inland European waterways.

    Chapter
  35. 1:53:42
    QuestionWould nuclear ASROC be justified rather than risk letting a Russian submarine escape?Answer

    No: uncertain contacts demand better classification and precise conventional weapons, especially when Russian SSBNs are likely to remain inside defended bastions.

    Q&A
  36. 1:59:06
    HMS Endurance and the cost of withdrawing presence

    Endurance demonstrates the deterrent value of routine presence and the wartime utility of a polar survey ship.

    Chapter
  37. 2:02:33
    QuestionCan a modern ballistic-missile submarine surface-launch its missiles and then submerge safely?Answer

    Not as a routine option: modern systems are designed for submerged ejection, and a surface launch could fail or damage the submarine badly enough to prevent submergence.

    Q&A
  38. 2:08:03
    QuestionWhy did the Alfonso-class cruisers use twin six-inch shielded mounts instead of turrets?Answer

    The shields saved weight and concentrated useful splinter protection toward the enemy instead of enclosing the crew in a very thin turret.

    Q&A
  39. 2:10:58
    HMS Beagle and the move to onboard survey processing

    Beagle's refit illustrates the shift toward modern onboard information processing and specialized survey launches.

    Chapter
  40. 2:16:19
    HMS Herald as hospital ship, mine-warfare support, and rescuer

    Herald's service record shows how survey ships become valuable general-purpose support vessels during crises.

    Chapter
  41. 2:20:03
    QuestionWhy did the Royal Navy build only two Echo-class multi-role survey ships?Answer

    Cost-driven consolidation replaced work once spread across roughly ten survey and patrol vessels with only a few hulls, sacrificing geographic presence and resilience.

    Q&A
  42. 2:22:56
    HMS Roebuck links continental-shelf surveys to mine warfare

    Roebuck combined coastal and overseas survey equipment with wide-area sensor support for mine-countermeasures forces.

    Chapter
  43. 2:27:20
    QuestionIs mine sweeping now mostly performed by helicopters?Answer

    No: helicopters are one option, while ships, divers, uncrewed craft, and hydrographic support remain central to mine countermeasures.

    Q&A
  44. 2:29:42
    The later HMS Endurance and the loss of a class-one icebreaker

    The second Endurance paired one-metre icebreaking with two helicopter hangars before maintenance flooding ended her career.

    Chapter
  45. 2:29:59
    QuestionWould it be worth using force to recover USS Pueblo from North Korea?Answer

    No: the ship's symbolic value does not justify the escalation risk, and even a negotiated return could carry difficult political conditions.

    Q&A
  46. 2:30:56
    QuestionWhy has the wreck of IJN Shinano not been found?Answer

    A sufficiently funded search with the right ships and systems may not yet have been mounted.

    Q&A
  47. 2:35:22
    HMS Scott maps the deep Atlantic for submarines

    Scott's multibeam sonar and rotating crews sustain the detailed deep-ocean maps needed for safe high-speed submarine transit.

    Chapter
  48. 2:39:48
    QuestionWas the 1870s HMS Challenger a survey ship ahead of her time?Answer

    She did survey work, but her primary role was scientific exploration, making her an expedition ship.

    Q&A
  49. 2:40:43
    QuestionIf Japan can build giant commercial ships, why could it not simply build a supercarrier?Answer

    Large shipyards provide capacity, but carrier-specific design and operating experience must be rebuilt gradually, probably through larger successors to the Izumo class.

    Q&A
  50. 2:42:51
    QuestionWould a Chinese invasion of Taiwan be a conventional amphibious operation?Answer

    It is framed more precisely as a vast shore-to-shore crossing, with some river-crossing logic and all the difficulty of an opposed maritime transit.

    Q&A
  51. 2:43:42
    QuestionHow can HMS Scott operate for about 300 days a year and still receive maintenance?Answer

    Three rotating crew sections and continuous upkeep sustain daily availability, while major maintenance is concentrated in occasional long refits.

    Q&A
  52. 2:46:04
    Echo class turns seabed data into operational support

    Echo-class sensors support submarines, amphibious forces, mine warfare, chart updates, and the prevention of maritime disasters.

    Chapter
  53. 2:49:59
    HMS Echo from Ukraine presence to the search for MH370

    Echo's deployments show how a survey ship's endurance and sensors can support diplomacy, constabulary work, and major searches.

    Chapter
  54. 2:54:19
    QuestionWhat is the least useful ship currently commissioned in the Royal Navy?Answer

    The fleet does not have enough ships for one to be truly dispensable, and even HMS Victory provides important non-seagoing value.

    Q&A
  55. 2:56:23
    What HMS Protector lost when she replaced Endurance

    Protector retained polar utility but sacrificed ice capability and embarked helicopters compared with Endurance.

    Chapter
  56. 3:01:13
    QuestionWhy do the Albion-class amphibious ships have flight decks but no helicopter hangars?Answer

    Their hangar and support deck was deleted to save money on the assumption that a separate helicopter carrier would always accompany them.

    Q&A
  57. 3:03:50
    QuestionWhy did your book omit Royal Australian Navy and Royal Canadian Navy material?Answer

    Archive access was blocked, so the book was narrowed rather than substituting paraphrases of other historians' research for primary work.

    Q&A
  58. 3:05:34
    QuestionWould large rotary-wing UAVs still require a hangar aboard a survey or polar ship?Answer

    Yes. One hangar bay could hold several rotary-wing UAVs while the other supports a crewed helicopter.

    Q&A
  59. 3:08:25
    HMS Magpie surveys ports and points toward uncrewed vessels

    The small catamaran checks channels for major warships while demonstrating technology relevant to larger uncrewed craft.

    Chapter
  60. 3:14:45
    QuestionWhat force was supposed to replace Illustrious and Ocean in the helicopter-carrier role?Answer

    A later LHD program was expected to provide two or three ships, with two likely replacing Ocean, Illustrious, Albion, and Bulwark together.

    Q&A
  61. 3:15:52
    QuestionShould the Royal Navy mass-produce Magpie-sized ships for mine sweeping?Answer

    A larger host ship deploying several smaller uncrewed mine-warfare craft is a more efficient force design.

    Q&A
  62. 3:16:50
    A future survey fleet for seabed infrastructure

    The closing argument favors several crew-efficient ocean-surveillance ships rather than another one-for-many replacement.

    Chapter
  63. 3:27:17
    QuestionWhy would a Flower-class corvette carry a pet chicken?Answer

    Chickens could consume scraps and provide fresh eggs, combining companionship with a useful supplement to preserved rations.

    Q&A
  64. 3:28:44
    QuestionAre modern survey ships useful for detecting devices that navies place on the seabed?Answer

    Yes. HMS Scott is especially capable and has proved useful in that role.

    Q&A