# Buoy tender

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Ship type

USCGC *Obion*, a river buoy tender, maintaining navigational buoys on the Ohio River at Louisville, Kentucky.

A **buoy tender** is a type of [vessel](/source/Boat) used to maintain and replace navigational [buoys](/source/Buoy). This term can also apply to an actual person who does this work.

The [United States Coast Guard](/source/United_States_Coast_Guard) uses buoy tenders to accomplish one of its primary missions of maintaining all U.S. [aids to navigation](/source/Navigational_aid) (ATON).[1]

The [Canadian Coast Guard](/source/Canadian_Coast_Guard) uses multi-use vessels (most being icebreakers) with tasks including buoy tending.[2]

## Types of coast guard buoy tenders

[Maritime Gendarmerie](/source/Maritime_Gendarmerie) buoy tender *Provence*

**United States Coast Guard**

- 240' [USCGC *Mackinaw* (WLBB-30)](/source/USCGC_Mackinaw_(WLBB-30))

- 225' [USCG seagoing buoy tender](/source/USCG_seagoing_buoy_tender) (WLB)

- 175' [USCG coastal buoy tender](/source/USCG_coastal_buoy_tender) (WLM)

- 100' [USCG inland buoy tender](/source/USCG_inland_buoy_tender) ([WLI](/source/USCG_inland_buoy_tender))

- 100' [USCG inland construction tender](/source/USCG_inland_construction_tender) ([WLIC](/source/WLIC))

- 75' [River buoy tender](https://en.wikipedia.org/w/index.php?title=River_buoy_tender&action=edit&redlink=1) ([WLR](/source/Hull_classification_symbol#United_States_Coast_Guard_vessels))

- 75' [Inland construction tender](https://en.wikipedia.org/w/index.php?title=Inland_construction_tender&action=edit&redlink=1) ([WLIC](/source/WLIC))

- 65' [River buoy tender](https://en.wikipedia.org/w/index.php?title=River_buoy_tender&action=edit&redlink=1) ([WLR](/source/Hull_classification_symbol#United_States_Coast_Guard_vessels))

- 65' [Inland buoy tender](https://en.wikipedia.org/w/index.php?title=Inland_buoy_tender&action=edit&redlink=1) ([WLI](/source/USCG_inland_buoy_tender))

- 49' [Buoy utility stern loading boat](https://en.wikipedia.org/w/index.php?title=Buoy_utility_stern_loading_boat&action=edit&redlink=1) (BUSL)

- Other miscellaneous aids to navigation boats

CCGS buoy tender *Samuel Risley*

**Canadian Coast Guard**

- 272' [CCGS *Ann Harvey*](/source/CCGS_Ann_Harvey)

- 272' [CCGS *George R. Pearkes*](/source/CCGS_George_R._Pearkes)

- 228' [CCGS *Earl Grey*](/source/CCGS_Earl_Grey)

- 228' [CCGS *Samuel Risley*](/source/CCGS_Samuel_Risley)

- 198' [CCGS *Alexander Henry*](/source/CCGS_Alexander_Henry)

- 180' [CGS *Aberdeen*](/source/CGS_Aberdeen)

- 179' [CCGS *Simcoe*](/source/CCGS_Simcoe)

- 180' [CGS *Simcoe*](/source/CGS_Simcoe)

- 144' [CCGS *C.P. Edwards*](/source/CCGS_C.P._Edwards)

- 125' [CCGS *Brant*](/source/CCGS_Brant)

- 66' [CCGS *Cove Isle*](/source/CCGS_Cove_Isle)

## Other buoy tenders

Many coastal States have buoy tenders to maintain aids to navigation in and around their coastal waters. In the UK, this includes lighthouse authorities, including the [Northern Lighthouse Board](/source/Northern_Lighthouse_Board) and [Trinity House](/source/Trinity_House) who ships maintain buoys as well as acting as [lighthouse tenders](/source/Lighthouse_tender).[3][4]

- [NLV Pharos](/source/NLV_Pharos), multi-function tender

- [NLV Pole Star](/source/NLV_Pole_Star), medium buoy tender

- [THV Galatea](/source/THV_Galatea), multi-function tender

## Further reading

- [United States Coast Guard](/source/United_States_Coast_Guard) [Bibliography and links on buoy tenders.](http://www.uscg.mil/History/h_lhindex.asp)

## References

1. **[^](#cite_ref-1)** ["Aids to Navigation – Mapping the Waters | GoCoastGuard.com"](https://www.gocoastguard.com/about-the-coast-guard/discover-our-roles-missions/aids-to-navigation). *www.gocoastguard.com*. Retrieved 2019-05-06.

1. **[^](#cite_ref-2)** ["Icebreaker Fleet"](http://www.ccg-gcc.gc.ca/Icebreaking/Fleet). *Canadian Coast Guard*. May 6, 2019.

1. **[^](#cite_ref-Riv_3-0)** ["Shipbuilders invited to industry day on buoy tender replacement"](https://www.rivieramm.com/news-content-hub/news-content-hub/shipbuilders-invited-to-industry-day-on-buoy-tender-replacement-63483). Riviera. Retrieved 5 June 2024.

1. **[^](#cite_ref-TrinityHouse_4-0)** ["Buoys Are Back In Town"](https://www.trinityhouse.co.uk/commercial-services/our-work/case-studies/buoys-are-back-in-town). Trinity House. Retrieved 5 June 2024.

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Adapted from the Wikipedia article [Buoy tender](https://en.wikipedia.org/wiki/Buoy_tender) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Buoy_tender?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.