Marinefährprahm

The Marinefährprahm (MFP), "naval ferry barge", was the largest landing craft operated by Germany's Kriegsmarine during World War II.

Marinefährprahm
Class overview
Builders: various
Operators:
  • German Kriegsmarine
  • Royal Romanian Navy
Preceded by: none
Succeeded by: Einheitslandungsboot
Subclasses: A-D, MZ, AF, AT, KF
Built: about 700
In commission: 1941–1945
General characteristics
Type: Landing Craft
Displacement: 220-239t
Length: 47.04-49.84m
Beam: 6.53-6.59m
Draught: 4.7m
Draft: 1.4m at full load
Propulsion: 3 Deutz Diesel 390HP
Speed: 10.5kn (empty)
Range: max. 1340nm at 7kn
Capacity: 85-140t
Complement: 17-25
Armament: 2×2cm AA, 1×3.7cm AA, 1×7.5cm
Armour: 2cm

It served a variety of roles (transport, minelayer, escort, gunboat) in the Mediterranean, Baltic and Black Seas as well as the English Channel and Norwegian coastal waters. Originally developed for the proposed invasion of England (Operation Sea Lion), the first of these ships was commissioned on 16 April 1941, with approximately 700 being completed by the war's end in May 1945. Allied sources sometimes refer to this class of vessel as a "Flak Lighter" or "F-lighter".[1]

Design and development

Several Types (A-D) were developed, whose size and armament grew from Type to Type. Some specialised derivates such as artillery vessels and minelaying vessels were also built on the basis of these craft. They were not mainly used for their initial invasion role, but for transport and supply duties, escort and harbour protection. The MFPs were protected by 20 mm-thick steel armor plating.[2]

Type A

This first version of the MFP was to be of all-welded construction in order to save weight. But a shortage of skilled welders meant that only the original prototype, F100, was built in this fashion. All following examples featured extensive riveting.

The MFP-A's original intended power plant was to be two 600 hp 6-cylinder surplus BMW aircraft engines and one 6-cylinder Deutz diesel truck engine. Operating with all three engines at full throttle, the MFP-A could make 13 knots. But the BMW aircraft engines proved mechanically trouble-prone and used excessive amounts of fuel and it was decided to install a standard set of three Deutz diesel truck engines instead. Though this reduced the vessel's maximum speed to 10.5 knots, the loss of speed was more than offset by the power plant's greater reliability and more economical cruising range.

Type A1
German MFPs like this one were transferred to the Mediterranean to supplement Italian-built landing craft intended for the invasion of Malta.

These were intended for use in Operation Herkules, the planned but never-executed Italo-German invasion of Malta. Ten of them were specially modified to each carry a captured Russian KV-1 or KV-2 heavy tank. This required strengthening and widening of the well decks and internal ramps and outward repositioning of the bow ramp counterbalance weights in order to accommodate these vehicles.

Artilleriefährprahm (AFP)

The Artilleriefährprahm or AFP (Artillery Ferry) was a gunboat derivative of the MFP. These ships were used for escorting convoys, shore bombardment and minelaying. They were fitted with two 88mm guns and light AA guns.[3]

General characteristics AFP Artillery Ferry
Type: Gunboat
Displacement: 300tons
Length: 47.04m
Beam: 6.55m
Draught: 1.7m
Propulsion: 3 Deutz Diesel 390HP
Speed: 8 knots
Range: max. 412nm
Complement: 48
Armament: 2 - single 88 mm (or 105 mm) guns m 8×20 mm AA (2x4 Flakvierlings), 1×37 mm AA,
Armour: 20 mm steel plus 100 mm concrete

Motozattera (MZ)

In preparation for its proposed invasion of Malta, Operazione C3, the Regia Marina (Italian Royal Navy) secured design plans from the Kriegsmarine for the MFP-A in late 1941 and placed an initial order for 65 vessels, numbered 701 through 765. These motozattere (or Bette MZ as they were officially designated) were built in Italian shipyards, primarily in and around Palermo, and gave the Italian Navy the necessary amphibious capability to land infantry, armored vehicles and supplies directly onto an open beach. Up to three M13/40 medium tanks and 100 fully equipped infantrymen could be carried or an equivalent weight in cargo. The only major design changes were to substitute Italian-made diesel engines (OM BXD 150 hp six-cylinder types as used in the Littorina diesel trains) for the German powerplant of three Deutz truck engines and to replace the German-made 7.5 cm deck gun with a 76 mm/40 quick-firing Italian gun.

The first motozattera was laid down in March 1942. By July of that year, the month slated for the Malta invasion, all 65 MZs had been completed and were ready for deployment. On 27 July, however, the invasion was indefinitely postponed[4] and many Italian MZs were diverted to the task of ferrying supplies from Italy to Libya and between ports along the Libyan coast in order to support Panzerarmee Afrika's advance into Egypt.

In September 1942, 40 additional MZs (761-800) were ordered. This modified version featured a raised bow to improve sea-keeping, a strengthened keel, larger fuel tanks for increased range, a lining of concrete “armor” 100mm thick for anti-splinter protection and a second 20mm AA gun mounted amidships.

A third series of 40 MZs was ordered in June 1943 but none were ever completed. A further 20 examples (MZ 801-820) were also planned, being an exact copy of the MFP-D (including the same engines and armament), but this too never materialized as by then the war situation for Italy had worsened considerably and her armed forces had been expelled from North Africa.

In all, 95 motozattere were built in Italian shipyards prior to Italy’s signing of an armistice with the Allies on 8 September 1943.[5]

Operations

The first use of the Marinefährprahm was during Operation Barbarossa, the German invasion of the Soviet Union. Twelve Marinefährprähme were deployed during Operation Beowulf II as part of the German invasion of Saaremaa, Hiiumaa and Muhu on 14 September 1941. The Marinefährprahm provided logistical support during the siege of Sevastopol in June 1942. Twenty-four Marinefährprähme from 1. Landungs-Flotille transported a Kampfgruppe from the 46th Infantry Division across the Kerch Strait to the Taman Peninsula as part of Operation Blücher II on the night of 2 September 1942.

Between January and October 1943, Marinefährprähme were used to evacuate the Wehrmacht's 17th Army from the Kuban bridgehead on the Taman Peninsula in southern Russia despite repeated Soviet attacks during this period. The sea evacuation brought out 239,669 soldiers, 16,311 wounded, 27,456 civilians and 115,477 tons of military equipment (primarily ammunition), 21,230 vehicles, 74 tanks, 1,815 guns and 74,657 horses to the Crimea.[6]

In February 1944, three MFPs were purchased by the Romanian Navy, being renamed PTA-404, PTA-405 and PTA-406.[7]

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See also

Media related to Marinefährprahm at Wikimedia Commons

References
  1. Reynolds, Leonard C. Motor Gunboat 658: The Small Boat War in the Mediterranean 1955/2002. ISBN 0-304-36183-6 - several encounters with "F-lighters" during Dog 658's tour in the Med.
  2. Robert Forczyk, We March Against England: Operation Sea Lion, 1940–41, Bloomsbury Publishing, 2016, p. 300
  3. german-navy.de
  4. Heckmann, p. 283
  5. Marcon, p. 221-224
  6. Pickert, Wolfgang (1955). Vom Kuban-Brückenkopf bis Sewastopol. Flakartillerie im Verband der 17. Armee. Vowinckel, Heidelberg (Die Wehrmacht im Kampf 7). ZDB-ID 521615-1).
  7. Nicolae Koslinski, Raymond Stănescu, Marina română in al doilea război mondial: 1942-1944, Făt-Frumos Publishing, 1996, p. 236 (in Romanian)

Bibliography
  • Gabriele, Mariano. Operazione C3: Malta Ufficio storico della marina, 1965.
  • Greene, Jack and Massignani, Alessandro. The Naval War in the Mediterranean. Chatham Publishing, 1998. ISBN 1-885119-61-5.
  • Gröner, Erich. Die Schiffe der Deutschen Kriegsmarine und Luftwaffe 1939-1945. Bernard & Graefe, 2001. ISBN 978-3-7637-6215-6
  • Heckmann, Wolf. Rommel's War in Africa. Doubleday & Company, 1981. ISBN 0-385-14420-2
  • Kugler, Randolf. Das Landungswesen in Deutschland seit 1900. Buchzentrum, Empfingen 1989. ISBN 978-3-86755-000-0.
  • Marcon, Tullio. I Mule del Mare. Albertelli, Parma, 1998. ISBN 978-88-87372-02-1
  • Sadkovich, James J. The Italian Navy in World War II. Greenwood Press, 1994. ISBN 978-0-313-28797-8
  • Schenk, Peter. Kampf um die Ägäis: die Kriegsmarine in den griechischen Gewässern 1941-1945. Mittler & Sohn, 2000. ISBN 978-3-8132-0699-9
  • Schneider, Gerd-Dietrich. Plattbugkreuzer: Artillerieträger der Marine im Einsatz. Mittler & Sohn, 1998. ISBN 978-3-8132-0555-8.
  • Reynolds, Leonard C. Motor Gunboat 658: The Small Boat War in the Mediterranean 1955/2002. ISBN 0-304-36183-6
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