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| AS-28 (AS-28 Karp) | |
|---|---|
| Ship name | AS-28 Karp |
| Ship class | Paltus-class (AS-28 class) |
| Operator | Soviet Navy; Russian Navy |
| Ordered | 1980s |
| Builder | Soviet Union shipyards |
| Laid down | 1980s |
| Launched | 1980s |
| Commissioned | 1980s |
| Decommissioned | 2010s |
| Fate | Museum/Preservation (subject to verification) |
AS-28 (AS-28 Karp) AS-28 (AS-28 Karp) was a small deep-submergence support vessel designed for Soviet Navy submarine rescue and salvage roles during the late Cold War. The vessel served under the Russian Navy and participated in high-profile incidents and multinational operations that involved Northern Fleet assets, British Royal Navy assistance, and international media attention. AS-28 combined shipboard handling, remotely operated vehicle deployment, and diver support to assist Kursk (K-141)-era rescue doctrines and Cold War-era contingency planning.
The AS-28 Karp belonged to a lineage of small submersible support ships influenced by Soviet-era rescue concepts used alongside Kilo-class and Victor-class patrol subs of the Soviet Navy. Displacement and dimensions mirrored contemporaneous designs in Soviet naval architecture, with hull form and deck arrangements optimized for handling deep-diving rescue submersibles, Panama-class submersible analogues, and tethered ROV systems. Propulsion systems drew on diesel-electric arrangements similar to designs from Admiralty Shipyards and other Cold War shipyards, while navigation suites integrated equipment comparable to sensors used by Northern Fleet command vessels and Pacific Fleet auxiliaries. Deck equipment included A-frames and winches compatible with Soviet deep-submergence standards that paralleled equipment aboard SSV-33 Ural-class support ships and NATO equivalents such as USNS Frank Cable (T-ARS-33).
AS-28 was ordered and constructed during the 1980s at a Soviet shipbuilding facility influenced by ministries and design bureaus tied to Soviet Union naval procurement. The hull and superstructure reflected practices from the same era that produced Akula-class prototypes and support craft for the Baltic Fleet and Northern Fleet. Commissioning ceremonies followed Soviet naval tradition with attendance by representatives from the Ministry of Defence and regional fleet commanders. After acceptance trials, AS-28 entered service with tasking aligned to submarine rescue, under the administrative control patterns used by the Northern Fleet and sometimes operating in coordination with units associated with Sevmash and TsKB-16 design bureaus.
In service, AS-28 performed submarine rescue training, salvage exercises, and ranged alongside rescue-oriented platforms that supported Kursk (K-141)-era doctrines, cooperating at times with other Soviet and later Russian assets such as RFS Dmitry Donskoy-adjacent task groups and auxiliary fleets. The vessel’s operational profile included patrols in Northern waters and deployment to accident sites where small deep-submergence capabilities were required, often linking to procedural frameworks established after incidents involving K-141 Kursk and shaped by lessons from multinational rescues such as those involving HMS Tireless (S88) and HMS Endurance (A171). Exercises with NATO-aligned partners were rare but the AS-28’s missions nonetheless intersected with international salvage law precedents and Cold War-era operational patterns.
AS-28 became the focus of international attention during a 2005 entanglement incident in Arctic waters when the vessel became trapped and required external assistance. The episode involved multinational coordination reminiscent of rescue diplomacy showcased during incidents that engaged British Royal Navy assets, including a Remotely operated vehicle deployed from HMS Resolution (S22)-class assistance or similar platforms, and drew parallels to high-profile rescues such as those following the K-141 Kursk disaster. Media coverage paralleled reportage of other naval accidents involving the Northern Fleet and prompted inquiries by the Russian Ministry of Defence and international observers. Salvage teams with specialized equipment—comparables to capabilities aboard Submarine Rescue System (SRS)-equipped ships—executed an operation to free AS-28 using tethered ROVs and deck-handling systems, assisted by crews experienced in Arctic salvage operations.
During its service life, AS-28 underwent incremental upgrades to extend operational utility and align with evolving standards in deep-submergence technology. Systems refurbishment included updates to communications suites similar to those installed on modernized Akula-class submarine refits, enhancements to winch and crane mechanisms influenced by improvements in Russian Navy auxiliary design, and replacements of older navigation sensors with equipment comparable to instruments used by contemporary Northern Fleet surface auxiliaries. Upgrades also considered interoperability with international rescue systems such as NATO-compatible Submarine Rescue System modules and commercial ROV packages used in Arctic oil and gas salvage missions.
Following decades of service, AS-28 was retired in the 2010s in line with fleet renewal programs that prioritized larger modern support vessels and newer rescue technologies deployed by the Russian Navy. Decommissioning procedures adhered to routines established for Soviet-era auxiliaries retired from the Northern Fleet and other regional forces, with options including mothballing, scrapping at facilities like Zvezda Shipyard analogues, or conversion to a museum exhibit similar to preserved Cold War naval vessels displayed alongside artifacts from K-141 Kursk-era collections. The vessel’s final disposition reflected broader shifts in post-Soviet naval strategy and heritage preservation practices.
Category:Russian Navy ships