• Hi Guest! Forum rules have been updated. All users please read here.

Heavy Air Landing Seabase Ship

JAZZ

ACCESS: Secret
Joined
Mar 12, 2006
Messages
295
Reaction score
76
There were a number of interesting concepts put forward early this decade creating a major sea bases from carrier-like modules. I also came across this HALSS - anyone know if this is a project or programme?
 

Attachments

  • US- HALSS heavy-airLift-seabasing-ship.jpg
    US- HALSS heavy-airLift-seabasing-ship.jpg
    111.7 KB · Views: 1,230

CJGibson

ACCESS: Top Secret
Senior Member
Joined
May 26, 2011
Messages
1,432
Reaction score
649
Looks similar to the Short Take-off and Landing Floating Airport (STOLPORT) developed by Seaforth Maritime Ltd. of Aberdeen in the 1970s/80s. It was to be moored in the North Sea and handle DASH-7s carrying personnel to/from Aberdeen for onward transfer to production platforms. "Sunk" by Bristow's Tiger and British Airways' Chinook, if I recall.

Or even earlier, the Habakkuk.

KB
 

RP1

I see the truth in it.
Senior Member
Joined
Feb 22, 2006
Messages
447
Reaction score
86
Website
rp-one.net
You could almost write a book on Sea Basing, it has been going on for so long. A **lot** of designs have been proposed, using everything from off-the-shelf merchantment to spar bouys and ships that up-end themselves. Several different configurations have been proposed that use a series of Semisubmersible units (twin hulled vessels used for some offshore oil fields) that are connected together to allow operation of a/c up to C-17 size.

Sea Basing itself is a fundamental part of the USNs "Sea Power 21" concept. It is such a wide subject that a large number of designs and technologies are being considered (and some actually developed and used), in order to get some idea of the nature of the possible solution space.

Google for "Sea Basing" and you will find many design concepts.

RP1
 

JAZZ

ACCESS: Secret
Joined
Mar 12, 2006
Messages
295
Reaction score
76
Sea-basing is prehaps not specific enough, I have plenty on that. My focus is around the concepts for MOB (mobile offshore base) and HALSS. These concepts represent some real challenges to naval architects - if not offshore exploration design teams, as it was these firms that also received funding to do some preliminary design work.

Internet, will only take you so far, and most of my key information in these concepts is not internet sourced...so its about opening up an issue to see if anyone can help...prehaps out of the industry or access to other journels I have not seen.

Most interesting part of the MOB is the way modules are put together, and the means to keep these modules level enough for aircraft operations.

I have attached a quick review of some of the MOB's being considered at the preliminary design phase.
 

Attachments

  • US- MOBs.jpg
    US- MOBs.jpg
    20.7 KB · Views: 1,267

Pioneer

Seek out and close with the enemy
Senior Member
Joined
May 22, 2006
Messages
1,838
Reaction score
197
There is no reason why these designs should not have a Ski-jump!
After all like with the Harrier, it would afford the likes of the C-130's (shown in the HALSS artist impression) better payload/range/take off performance, which will be critical.
After all I think there would be no problem with the venerable Hercules to handle ski-jumps!

Regards
Pioneer
 

yasotay

ACCESS: Top Secret
Senior Member
Joined
Oct 19, 2006
Messages
2,389
Reaction score
540
Indeed the Sea Basing effort has been going on for a long time. Even the Army has become involved in Sea Basing. It has been working for a couple years now on a concept called Afloat Forward Staging Base. The intent is to take container ships and build flight decks on them to allow for a very good sized flight deck for rotorcraft to fly off of. Of course since they are not gray hulls there is concern with how to protect them. The effort is moving forward slowly.
 

SteveO

ACCESS: Secret
Joined
Jun 24, 2007
Messages
404
Reaction score
48
MOBS article here http://www.history.navy.mil/nan/backissues/1970s/1972/oct72.pdf found here http://www.history.navy.mil/nan/backissues/newbackissues.htm
 

RP1

I see the truth in it.
Senior Member
Joined
Feb 22, 2006
Messages
447
Reaction score
86
Website
rp-one.net
Now that *is* interesting - that's much older than I thought!
 
A

avatar

Guest
People,
Please see the following global security pages -
http://www.globalsecurity.org/military/systems/ship/seabase.htm
http://www.globalsecurity.org/military/systems/ship/mob.htm

As well as the following PDF
http://www.isd.mel.nist.gov/documents/goodwin/MOB_Crane_Requirements.pdf
Also
http://www.popularmechanics.com/technology/military_law/1281531.html ( for good measure)
 

NERVA

ACCESS: Confidential
Joined
Dec 2, 2007
Messages
60
Reaction score
1
Link on Seabasing concept (6 MB .pdf file)

http://www.acq.osd.mil/dsb/reports/seabasing.pdf
 

NERVA

ACCESS: Confidential
Joined
Dec 2, 2007
Messages
60
Reaction score
1
And another...

http://www.csbaonline.org/4Publications/PubLibrary/R.20060301.Thinking_About_Sea/R.20060301.Thinking_About_Sea.pdf
 

SteveO

ACCESS: Secret
Joined
Jun 24, 2007
Messages
404
Reaction score
48
Here are a couple of pics of possible Maritime Prepositioning Force ships that can be included in the sea basing concept. Got the pics from here I think http://peoships.crane.navy.mil/pms325/mpff.htm
 

Attachments

  • MPF1.jpg
    MPF1.jpg
    15.7 KB · Views: 605
  • MPF2.jpg
    MPF2.jpg
    69.9 KB · Views: 570

Triton

Donald McKelvy
Senior Member
Joined
Aug 14, 2009
Messages
9,719
Reaction score
503
Website
deeptowild.blogspot.com
Artist's view (top) of one of the five semi-submersible base units--each 1000 feet (305 m) long--that would be assembled to form the Mobile Offshore Base (MOB) in this McDermott (Babcock & Wilcox) concept. The assembled MOB could provide an operating and support base for aircraft when land bases are not available. However, in many respects, the Sea Base concept has overtaken the MOB.

Artist's view (bottom) of the assembled MOB. The shortcomings of the MOB include its lack of mobility and the time required to deploy and assemble.

Source: The Naval Institute Guide to the Ships and Aircraft of the U.S. fleet by Norman Polmar, US Naval Institute, 2005.
 

Attachments

  • MOB1.JPG
    MOB1.JPG
    24.7 KB · Views: 547
  • MOB2.JPG
    MOB2.JPG
    19.9 KB · Views: 207

Grey Havoc

The path not taken.
Senior Member
Joined
Oct 9, 2009
Messages
11,791
Reaction score
1,924
Given current events, the MOB might be yet another concept making a comeback.
 

Triton

Donald McKelvy
Senior Member
Joined
Aug 14, 2009
Messages
9,719
Reaction score
503
Website
deeptowild.blogspot.com
Sea-going base concept press photo circa 1968 found on eBay.

URL:
http://www.ebay.com/itm/1968-Artist-Concept-US-Navy-Floating-Base-Wire-Photo-/290826336327?pt=Art_Photo_Images&hash=item43b699b847
 

Attachments

  • hbq363.jpg
    hbq363.jpg
    415.6 KB · Views: 75

Similar threads

Top