Sandhayak-class survey ship (1981) explained
| -- warship classes --> | +Sandhayak class| Ship Image: | INS Sandhayak (J-18) survey vessel at sea.jpg | | Ship Caption: | INS Sandhayak (J-18) survey vessel at sea. |
| Builders: |
| | Operators: |  India | | Total Ships Planned: | 8 | | Total Ships Completed: | 8 | | Total Ships Active: | 5 | | Total Ships Retired: | 3 |
| Ship Type: | Hydrographic survey ship | | Ship Displacement: | 1929LT full | | Ship Length: | 87.8m (288.1feet) | | Ship Beam: | 12.8m (42feet) | | Ship Draft: | 3.3m (10.8feet) | | Ship Speed: | 16kn | | Ship Range: | - 6000nmi at
- 14000nmi at 10kn
| | Ship Complement: | 18 officers + 160 enlisted | | Ship Armament: | 1 × Bofors 40 mm gun | | Ship Aircraft: | 1 × HAL Chetak helicopter | | Ship Aircraft Facilities: | Helipad |
| |
|---|
The
Sandhayak-class survey ships are a series of eight vessels built by Garden Reach Shipbuilders and Engineers (GRSE),
Kolkata and
Goa Shipyard, Ltd.,
Vasco for the
Indian Navy. While
Sandhayak,
Investigator,
Nirdeshak,
Nirupak were built in GRSE;
[1] Sarveshak,
Jamuna,
Darshak,
Sutlej were built by Goa Shipyard.
[2] [3] The vessels equipped with four survey
motorboats, two small
boats and are powered by two diesel engines with a top speed of 16kn. They have a helicopter deck and are also armed with a
Bofors 40 mm/60 gun mount for self-defense.
The ships are equipped with variety of next-generation surveying systems fitted onboard including multi-beam swath echo sounding system, differential gps, motion sensors, sea gravimeter, magnetometer, oceanographic sensors, side scan sonars, automated data logging system, sound velocity profiling system, digital survey and processing system, amongst others.[4]
Working as part of Indian Naval Hydrographic Department the Sandhayak-class survey ships are equipped with a range of surveying, navigational and communication systems. The ships are designed to undertake shallow coastal and deep oceanic hydrographic survey and collect oceanographic and geophysical data required for the production of digital navigational charts and publications. Besides carrying out their primary role of hydrographic survey, they can also assist in times of war and natural calamities as troop transports and casualty holding ships. The ships are also equipped with ROV, AUV & USV.[5] Nirdeshak was decommissioned in 2014.[6]
Service history
was decommissioned on 19 December 2014.[7]
The lead ship of the class was decommissioned on 4 June 2021 after 40 years in service.[8]
The third ship in the class was decommissioned after 38 years of service on 29 January 2024 in Visakhapatnam.[9]
Ships in the class
Ships in the class| Name | Pennant No. | Builder | Commission | Decommission | Homeport | Status |
|---|
| Batch I |
|---|
| J 18 | | 14 March 1981 | 4 June 2021 | Visakhapatnam | Decommissioned |
| J 19 | 4 October 1982 | 19 December 2014 |
| J 20 | 14 August 1985 | 29 January 2024 |
| J 15 | 11 January 1990 | | Kochi[10] | Active |
| Jamuna | J 16 | 31 August 1991 | |
| Sutlej | J 17 | 19 February 1993 | |
| Batch II |
|---|
| J 21 | Goa Shipyard Limited | 28 April 2001 | | Visakhapatnam[11] | Active |
| J 22 | 14 January 2002 | | Kochi[12] | |
See also
References
- Book: Saunders, Stephen . Jane's Fighting Ships 2002–2003 . 2002 . Jane's Information Group . Coulsdon, UK. 0-71062-4328.
External links
- Web site: J 18 Sandhayak class . GlobalSecurity.
- Web site: Sandhayak class . . dead . https://web.archive.org/web/20130729210948/http://www.indiannavy.nic.in/naval-fleet/sandhayak-class . 29 July 2013 .
Notes and References
- Web site: GRSE_Coffee Table Book_low.pdf. 23 February 2017. 23 February 2017. https://web.archive.org/web/20170223214212/http://grse.gov.in/pdf/GRSE_Coffee%20Table%20Book_low.pdf. dead.
- Saunders 2002, p. 316.
- Web site: INS Jamuna progresses joint hydrographic operations off Sri Lanka. PSU Watch. 2020-02-20.
- Web site: Indian navy ship on goodwill visit.
- Web site: INS Sarvekshak .
- Web site: Fortnightly E-News Brief of National Maritime Foundation.
- Web site: Survey ship Decommissioned. New Indian Express. 2014-12-20.
- Web site: INS Sandhayak to be Decommissioned on 04 Jun 21. PIB. 2021-06-03.
- News: INS Nirupak decommissioned at Visakhapatnam after 38 years of service. Sumnit. Bhattacharjee. The Hindu. 2024-01-30.
- News: Kochi to be home for survey ship INS Investigator . OnManorama . 30 May 2019.
- Web site: Navy deserter caught at the Mumbai airport. mid-day. 2016-06-09.
- News: Kashmir students arrive in Kochi on a goodwill visit. 2011-09-18. The Hindu. 0971-751X. 2016-06-09.
