Archipelago VTS Master's Guide

1 VTS Area
The VTS Area covers the Archipelago Sea, including merchant shipping lanes. The eastern boundary is Fläckgrund light, the northern boundary Hylkkari light and at sea the boundary line follows the outer limits of the VTS Area. The VTS Area also covers the areas administered by the Port of Turku and the Port of Naantali.

The boundary line of the Archipelago VTS Area runs between the following corner points:
From Hylkkari light on Isokari in position 60°57.2'N, 21°09.5'Ewestward to position 60º57.2’N, 20°46.5’E, and further to
Rannö lighthouse 60º31.7’N, 20°11.9’E
6 nautical miles from Marhällan light (60º01.9’N, 19º52.3’E)
6 nautical miles from Nyhamn lighthouse (59º57.6’N, 19º57.3’E)
12 nautical miles from Utö lighthouse (59º46.9’N, 21º22.1’E)
In the east, from Fläckgrund light 59º52.4’N, 22º 50.2’E
to position 59º55.0'N 22º 53.0'E, and further to
Förby harbour 60º06.5'N 22º53.0'E

Open Archipelago VTS Master's Guide

The services provided by the VTS centres are described in more detail in the general description of the VTS operations.

2 Reporting procedures
The working channel of Archipelago VTS is VHF 71.
Reports should include the following information:

  • Name of the vessel
  • Name of reporting point
  • Destination
  • Intended route. If an alternative route is selected, this must be reported. 

Required reports

  • upon entry into the VTS Area
  • before anchoring
  • before leaving an anchorage
  • after berthing
  • departure report before leaving port.  The permission to depart issued by the VTS is valid for 20 minutes, during which time the vessel must get underway.  If the vessel’s departure is delayed, it will have to request a new permission to depart. This does not apply to departures from the Aura River; see item 5.2 Port of Turku.
  • at the reporting points in the area:
    • 20 minutes before passing the following reporting points: 
  1. Knivskär
  2. Fagerholm
  3. Lövskär
  4. Smörgrund
  5. Kungsholm
  6. Kivikari
  7. Hylkkari
  8. Ljungö, westbound vessels report their selected route
  9. Ledsund or S of  Ledskär, eastbound vessels report their selected route
  10. Fläckgrund
  11. Järngrynnan
  12. Askgrund
  13. Marhällan or Korsö, on arrival to the VTS area

* Southbound vessels shall report 20 minutes before passing Hylkkari light to Archipelago VTS on VHF channel 71.

* Northbound vessels shall report 20 minutes before passing Hylkkari light to West Coast VTS on VHF channel 9.

** Westbound vessels shall report 20 minutes before passing Fläckgrund light to Archipelago VTS on VHF channel 71.

** Eastbound vessels shall report 20 minutes before passing Fläckgrund light to Hanko VTS on VHF channel 67.

  • when passing the following reporting points:
  1. Orhisaari, only westbound vessels report their selected route
  2. Ykskari, southbound vessels report their selected route

Vessels are required to report 10 minutes before entering, departing or crossing a merchant shipping lane.

East of Kihti lighthouse (60º04.6’ N 21º08.3’ E), commuter and archipelago ferries with an operational automatic identification system (AIS) in use are only required to report when the visibility is less than 1 nm.

More detailed information about the services provided in the harbour areas and the information required of vessels can be found in item 5.

3  Areas where meeting and overtaking is prohibited
Meeting and overtaking is permanently prohibited in the following areas covered by Archipelago VTS:

  1. At Lövskär between the longitudes 21º 43.3’ E and 21º 45.2’ E, in the 15.3 m channel.
  2. At Ledsund between the longitudes 20º09.7’ E and 20º10.6’ E, in the 7.0 m channel.
  3. At Ljungö between the longitudes 20º40.7’ E and 20º42.0’ E, in the 8.2 m channel.
  4. At Hjulgrund between the longitudes 20º22.2’ E and 20º23.2’ E, in the 7.0 m channel.
  5. At Rönngrund between the latitudes 60º17.3’ N and 60º 16.3’ N, in the 10 m channel.
  6. In the channel section Porokari–Saaronniemi between latitudes 60º 24.4' N and 60º 25.3' N in the 15.3 m channel.
  • Prohibitions 1 - 6  are not applied to meeting and overtaking situations in which at least one of the parties is a tug or a vessel whose size is comparable to a tug
  1. Kuuva light (60º24.4’ N 22º07.5’ E) – Jänissaari light (60º25.3’N 22º10.9’ E)
  • The prohibition is not applied to meetings between small commuter ferries; ferry boats; charter vessels, police, customs and fireboats; buoy tenders; oil-combatting vessels; fishing vessels or harbour tugs. Small craft must however not hamper the passage of larger vessels.
  1. Jänissaari light – Port of Turku:
  • The prohibition does not apply to cargo vessels which due to their size are able to meet safely.  In addition, cargo vessels are required to agree between themselves on meeting.
  1. Pansio channel,  the channel section from the western limit of the Turku harbour area to Pansio     oil and ferry harbour:

-                   Meeting prohibited for large tankers.

  1. Additionally in the Port of Turku area:
  • Meeting prohibited for all vessels in the Late channel
  • Meeting prohibited for all vessels in the channel to Perno Shipyard

4  Speed limits

  1. Smörgrund – Stora Björnholm 28 km/h
  2. North of Finnö - Lilla Björnholm 32 km/h
  3. In the vicinity of the Korpo ferry (Retais front – Holstasnäs) 16 km/h
  4. Stormälö – Haverö 28 km/h
  5. Rajakari – Ajonpää 22 km/h
  6. Rajakari – Kuuva 22 km/h
  7. Kuuva – Buoy T18A 16 km/h
  8. Buoy T18A – Turku 11 km/h
  9. Svartholm – Hallonholm 22 km/h
  10. Tallholm – Hallonholm 22 km/h

5 Harbour areas

5.1 Naantali
Port surveillance, contact information:
phone +358 44 733 4550
e-mail portcontrol@naantali.fi
VHF channel 11

Vessels are required to maintain a listening watch on VHF channel 11 in the harbour area.

When passing Neste Oil’s oil harbour, vessels must keep a safe distance to the harbour (marked on the map). A temporary crossing of the border is allowed for safety reasons with the approval of Archipelago VTS or by their recommendation. Vessels shall always report the crossing to the VTS.

Vessels operating according to a regular timetable in liner service have the right of way.

Anchoring in the Ajonpää anchorage area:

  • Only one vessel at a time is allowed in the anchorage area
  • Permission to anchor is granted by Archipelago VTS
  • The anchorage area is mainly intended for short-term anchoring, maximum 12 hours. In order to exceed the 12-hour limit, a new permission to anchor is required.
  • Vessels must request permission to leave anchorage 20 minutes prior to weighing anchor.
  • Vessels at anchor must ensure that the vessel under no circumstances starts drifting into the fairway area
  • The anchorage must not be used if the wind speed exceeds 15 m/s

The port regulations of the city of Naantali and the port instructions must be followed in the area.

Ship services are ordered from the Port of Naantali.

5.2 Turku

Contact information to the port 24 h:
phone +358 2 2674 122
e-mail portcontrol@turku.fi
VHF channel 12 (not monitored continuously, only during mooring and unmooring)

Vessels are required to report to the Port of Turku two hours prior to arrival at the port.

Vessels operating according to a regular timetable in liner service have the right of way.

Vessels with an overall length of 24 metres or more are required to submit a departure report to Archipelago VTS on channel 71. All other radio traffic in the harbour area will primarily be conducted on channel 12.

In the harbour area permission to use anchor, change berths or turn at the quay must be requested from the Port of Turku.

The port regulations of the city of Turku and the port instructions must be followed in the area.

Ship services are ordered from the Port of Turku.

6 Contact information

Archipelago VTS

Western Finland Vessel Traffic Centre
Juhana Herttuan puistokatu 21
FIN-20100 Turku
Phone:         +358 (0)204 48 6521
E-mail:         archipelago.vts@fta.fi
VHF:            ch.71

Port of Turku
Juhana Herttuan Puistokatu 21, FIN-20100 Turku
Phone:        +358 (0)2 2674 122
E-mail:         portcontrol@turku.fi
VHF             ch.12

Port of Naantali
Satamatie 13
FIN-21100 Naantali
Phone:        +358 (0)2 437 5515
E-mail:        portcontrol@naantali.fi
VHF            ch.11